{"id":21248,"date":"2026-01-07T00:36:17","date_gmt":"2026-01-06T16:36:17","guid":{"rendered":"https:\/\/viox.com\/?p=21248"},"modified":"2026-01-07T00:36:20","modified_gmt":"2026-01-06T16:36:20","slug":"switchgear-current-ratings-ina-inc-rdf-guide","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ja\/switchgear-current-ratings-ina-inc-rdf-guide\/","title":{"rendered":"\u958b\u9589\u88c5\u7f6e\u306e\u5b9a\u683c\u96fb\u6d41\u30ac\u30a4\u30c9\uff1aInA\u3001Inc\u3001\u304a\u3088\u3073RDF\u306e\u89e3\u8aad\uff08IEC 61439\uff09"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>400A\u306e\u914d\u96fb\u76e4\u304c350A\u3067\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u7406\u7531\uff1a\u5b9a\u683c\u96fb\u6d41\u306b\u95a2\u3059\u308b\u96a0\u3055\u308c\u305f\u771f\u5b9f<\/h2>\n<p>\u72b6\u6cc1\u3092\u60f3\u50cf\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3042\u308b\u5de5\u696d\u65bd\u8a2d\u5411\u3051\u306b\u3001400A\u306e\u4e3b\u5e79\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u5099\u3048\u305f\u914d\u96fb\u76e4\u3092\u6307\u5b9a\u3057\u307e\u3057\u305f\u3002\u8ca0\u8377\u8a08\u7b97\u3067\u306f\u3001\u6700\u5927\u9700\u8981\u304c340A\u3068\u793a\u3055\u308c\u3066\u304a\u308a\u3001\u5bb9\u91cf\u7bc4\u56f2\u5185\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u8a66\u904b\u8ee2\u304b\u30893\u304b\u6708\u5f8c\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u308f\u305a\u304b350A\u3067\u306e\u9023\u7d9a\u904b\u8ee2\u4e2d\u306b\u7e70\u308a\u8fd4\u3057\u30c8\u30ea\u30c3\u30d7\u3057\u307e\u3059\u3002\u9867\u5ba2\u306f\u6fc0\u6012\u3057\u3001\u751f\u7523\u306f\u505c\u6b62\u3057\u3001\u3042\u306a\u305f\u306f\u4e00\u4f53\u4f55\u304c\u8d77\u3053\u3063\u305f\u306e\u304b\u3092\u7406\u89e3\u3057\u3088\u3046\u3068\u5954\u8d70\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p>\u539f\u56e0\u306f\uff1fIEC 61439\u304c\u5b9a\u3081\u308b\u5b9a\u683c\u96fb\u6d41\u306e\u57fa\u672c\u7684\u306a\u8aa4\u89e3\u3067\u3059\u3002\u5f93\u6765\u306e\u300c\u30d6\u30ec\u30fc\u30ab\u30fc\u5b9a\u683c\u300d\u306e\u8003\u3048\u65b9\uff08400A\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u306f400A\u306e\u5bb9\u91cf\u306b\u76f8\u5f53\u3059\u308b\uff09\u3068\u306f\u7570\u306a\u308a\u3001\u6700\u65b0\u306e\u898f\u683c\u3067\u306f\u3001\u914d\u96fb\u76e4\u3092\u7d71\u5408\u3055\u308c\u305f <strong>\u71b1\u30b7\u30b9\u30c6\u30e0<\/strong>. \u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002\u5b9f\u969b\u306e\u5bb9\u91cf\u3092\u5de6\u53f3\u3059\u308b3\u3064\u306e\u91cd\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u3042\u308a\u307e\u3059\u3002 <strong>InA<\/strong> \uff08\u30a2\u30bb\u30f3\u30d6\u30ea\u5b9a\u683c\u96fb\u6d41\uff09\u3001, <strong>Inc<\/strong> \uff08\u56de\u8def\u5b9a\u683c\u96fb\u6d41\uff09\u3001\u304a\u3088\u3073 <strong>RDF<\/strong> \uff08\u5b9a\u683c\u591a\u69d8\u7387\uff09\u3067\u3059\u3002.<\/p>\n<p>\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30b3\u30b9\u30c8\u306e\u304b\u304b\u308b\u4ed5\u69d8\u306e\u8aa4\u308a\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u3053\u308c\u3089\u306e\u76f8\u4e92\u63a5\u7d9a\u3055\u308c\u305f\u5b9a\u683c\u3092\u89e3\u8aad\u3057\u307e\u3059\u3002IEC 61439\u306f2009\u5e74\u306bIEC 60439\u306b\u53d6\u3063\u3066\u4ee3\u308f\u3063\u305f\u305f\u3081\uff08\u79fb\u884c\u671f\u9593\u306f2014\u5e74\u307e\u3067\u306b\u7d42\u4e86\uff09\u3001\u3053\u308c\u3089\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u6e96\u62e0\u3057\u305f\u914d\u96fb\u76e4\u30a2\u30bb\u30f3\u30d6\u30ea\u306b\u5fc5\u9808\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u7279\u306bRDF\uff08\u96fb\u6c17\u7684\u306a\u591a\u69d8\u6027\u3068\u8aa4\u89e3\u3055\u308c\u304c\u3061\u306a\u71b1\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\uff09\u306b\u95a2\u3057\u3066\u3001\u6df7\u4e71\u304c\u7d9a\u3044\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p>\u3042\u306a\u305f\u304c\u30d1\u30cd\u30eb\u30d3\u30eb\u30c0\u30fc\u3001\u30b3\u30f3\u30b5\u30eb\u30c6\u30a3\u30f3\u30b0\u30a8\u30f3\u30b8\u30cb\u30a2\u3001\u307e\u305f\u306f\u8ca9\u58f2\u4ee3\u7406\u5e97\u306e\u3044\u305a\u308c\u3067\u3042\u3063\u3066\u3082\u3001InA\u3001Inc\u3001\u304a\u3088\u3073RDF\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3082\u306f\u3084\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u78ba\u5b9f\u306b\u52d5\u4f5c\u3059\u308b\u304b\u3001\u73fe\u5834\u3067\u6545\u969c\u3059\u308b\u304b\u306e\u9055\u3044\u3067\u3059\u3002.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/VIOX-Low-Voltage-Switchgear-InA-400A-in-RAL-7035-Gray.webp\" alt=\"Photorealistic industrial switchgear installation InA 400A\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 5px;\">\u56f31\uff1aInA 400A\u5b9a\u683c\u3092\u793a\u3059\u7523\u696d\u7528\u4f4e\u5727\u91d1\u5c5e\u9589\u9396\u578b\u914d\u96fb\u76e4\u306e\u30e9\u30a4\u30f3\u30ca\u30c3\u30d7\u3002.<\/figcaption><\/figure>\n<hr>\n<h2>IEC 61439\u306e\u96fb\u6d41\u5b9a\u683c\u306e\u8003\u3048\u65b9\u3092\u7406\u89e3\u3059\u308b<\/h2>\n<h3>\u30d1\u30e9\u30c0\u30a4\u30e0\u30b7\u30d5\u30c8\uff1a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u30b7\u30b9\u30c6\u30e0\u3078<\/h3>\n<p>IEC 61439\u306f\u3001\u914d\u96fb\u76e4\u306e\u5bb9\u91cf\u3092\u8a55\u4fa1\u3059\u308b\u65b9\u6cd5\u3092\u6839\u672c\u7684\u306b\u5909\u3048\u307e\u3057\u305f\u3002\u4ee5\u524d\u306e\u898f\u683c\u3067\u3042\u308bIEC 60439\u306f\u3001\u500b\u3005\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5b9a\u683c\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3057\u305f\u3002\u3064\u307e\u308a\u3001\u4e3b\u5e79\u30d6\u30ec\u30fc\u30ab\u30fc\u304c400A\u3001\u30d0\u30b9\u30d0\u30fc\u304c630A\u3068\u5b9a\u683c\u3055\u308c\u3066\u3044\u308c\u3070\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u306f\u9069\u5207\u3067\u3042\u308b\u3068\u898b\u306a\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u65b0\u3057\u3044\u898f\u683c\u306f\u3001\u53b3\u3057\u3044\u73fe\u5b9f\u3092\u8a8d\u8b58\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u71b1\u7684\u76f8\u4e92\u4f5c\u7528\u306b\u3088\u308a\u3001\u5b9f\u969b\u306e\u5bb9\u91cf\u304c\u9298\u677f\u306e\u5024\u3088\u308a\u3082\u4f4e\u4e0b\u3059\u308b<\/strong>.<\/p>\n<p>\u3053\u306e\u5909\u5316\u306f\u3001\u9577\u5e74\u306e\u73fe\u5834\u3067\u306e\u6545\u969c\u3092\u53cd\u6620\u3057\u305f\u3082\u306e\u3067\u3042\u308a\u3001\u300c\u9069\u5207\u306b\u5b9a\u683c\u3055\u308c\u305f\u300d\u914d\u96fb\u76e4\u304c\u9023\u7d9a\u8ca0\u8377\u306e\u4e0b\u3067\u904e\u71b1\u3057\u307e\u3057\u305f\u3002\u554f\u984c\u306f\uff1f1\u3064\u306e\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u305f\u71b1\u304c\u3001\u96a3\u63a5\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u3067\u3059\u300210\u500b\u306e63A MCB\u304c\u540c\u6642\u306b\u52d5\u4f5c\u3059\u308b\u9ad8\u5bc6\u5ea6\u306b\u8a70\u3081\u8fbc\u307e\u308c\u305f\u30d1\u30cd\u30eb\u306f\u3001\u5358\u72ec\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u3068\u306f\u5927\u304d\u304f\u7570\u306a\u308b\u71b1\u74b0\u5883\u3092\u4f5c\u308a\u51fa\u3057\u307e\u3059\u3002.<\/p>\n<h3>\u30d6\u30e9\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u30a2\u30d7\u30ed\u30fc\u30c1\uff1a4\u3064\u306e\u91cd\u8981\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/h3>\n<p>IEC 61439-1\uff1a2020\u306f\u3001\u914d\u96fb\u76e4\u3092\u660e\u78ba\u306b\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b4\u3064\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30dd\u30a4\u30f3\u30c8\u3092\u6301\u3064\u300c\u30d6\u30e9\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u300d\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u96fb\u6c17\u56de\u8def\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/strong>\uff1a\u5165\u529b\u96fb\u6e90\u306e\u7279\u6027\uff08\u96fb\u5727\u3001\u5468\u6ce2\u6570\u3001\u6545\u969c\u30ec\u30d9\u30eb\uff09\u3068\u51fa\u529b\u8ca0\u8377\u306e\u8981\u4ef6<\/li>\n<li><strong>\u8a2d\u7f6e\u6761\u4ef6\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/strong>\uff1a\u5468\u56f2\u6e29\u5ea6\u3001\u9ad8\u5ea6\u3001\u6c5a\u67d3\u5ea6\u3001\u6e7f\u5ea6\u3001\u63db\u6c17<\/li>\n<li><strong>\u904b\u7528\u304a\u3088\u3073\u4fdd\u5b88\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/strong>\uff1a\u8ab0\u304c\u6a5f\u5668\u3092\u64cd\u4f5c\u3059\u308b\u304b\uff08\u719f\u7df4\u8005\u304b\u4e00\u822c\u8005\u304b\uff09\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u8981\u4ef6<\/li>\n<li><strong>\u30a2\u30bb\u30f3\u30d6\u30ea\u7279\u6027\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/strong>\uff1a\u7269\u7406\u7684\u306a\u914d\u7f6e\u3001\u30d0\u30b9\u30d0\u30fc\u306e\u69cb\u6210\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u7d42\u7aef\u65b9\u6cd5\u2014<strong>\u3053\u3053\u3067InA\u3001Inc\u3001\u304a\u3088\u3073RDF\u304c\u6c7a\u5b9a\u3055\u308c\u307e\u3059<\/strong><\/li>\n<\/ul>\n<p>\u88fd\u9020\u696d\u8005\u306f\u3001\u7279\u5b9a\u306e\u5b9f\u88c5\u69cb\u6210\u306b\u304a\u3044\u3066\u3001\u5b8c\u5168\u306a\u30a2\u30bb\u30f3\u30d6\u30ea\u304c\u6e29\u5ea6\u4e0a\u6607\u5236\u9650\uff08IEC 61439-1\u300110.10\u9805\uff09\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u691c\u8a3c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u691c\u8a3c\u306f\u3001\u500b\u3005\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u304b\u3089\u5916\u633f\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002.<\/p>\n<h3>\u65b0\u65e7\u306e\u8003\u3048\u65b9\u306e\u6bd4\u8f03<\/h3>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse; text-align: left;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u5074\u9762<\/th>\n<th>IEC 60439\uff08\u5f93\u6765\u306e\u8003\u3048\u65b9\uff09<\/th>\n<th>IEC 61439\uff08\u73fe\u5728\u306e\u898f\u683c\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u5b9a\u683c\u306e\u7126\u70b9<\/strong><\/td>\n<td>\u500b\u3005\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5b9a\u683c\uff08\u30d6\u30ec\u30fc\u30ab\u30fc\u3001\u30d0\u30b9\u30d0\u30fc\u3001\u7aef\u5b50\uff09<\/td>\n<td>\u5b8c\u5168\u306a\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u71b1\u6027\u80fd<\/td>\n<\/tr>\n<tr>\n<td><strong>\u691c\u8a3c\u65b9\u6cd5<\/strong><\/td>\n<td>\u578b\u5f0f\u8a66\u9a13\u30a2\u30bb\u30f3\u30d6\u30ea\uff08TTA\uff09\u307e\u305f\u306f\u90e8\u5206\u578b\u5f0f\u8a66\u9a13\u30a2\u30bb\u30f3\u30d6\u30ea\uff08PTTA\uff09<\/td>\n<td>\u8a66\u9a13\u3001\u8a08\u7b97\u3001\u307e\u305f\u306f\u5b9f\u7e3e\u306e\u3042\u308b\u8a2d\u8a08\u306b\u3088\u308b\u8a2d\u8a08\u691c\u8a3c<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9023\u7d9a\u8ca0\u8377\u306e\u4eee\u5b9a<\/strong><\/td>\n<td>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u9298\u677f\u5b9a\u683c\u3092\u904b\u3076\u3053\u3068\u304c\u3067\u304d\u308b<\/td>\n<td>\u71b1\u7684\u76f8\u4e92\u4f5c\u7528\u3092\u8003\u616e\u3059\u308b\u305f\u3081\u306bRDF\u304c\u5fc5\u8981<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30d0\u30b9\u30d0\u30fc\u306e\u5b9a\u683c<\/strong><\/td>\n<td>\u5c0e\u4f53\u306e\u65ad\u9762\u7a4d\u306e\u307f\u306b\u57fa\u3065\u304f<\/td>\n<td>\u7279\u5b9a\u306e\u914d\u7f6e\u306b\u304a\u3051\u308b\u7269\u7406\u7684\u306a\u30ec\u30a4\u30a2\u30a6\u30c8\u3001\u53d6\u308a\u4ed8\u3051\u3001\u304a\u3088\u3073\u96a3\u63a5\u3059\u308b\u71b1\u6e90\u306b\u57fa\u3065\u304f<\/td>\n<\/tr>\n<tr>\n<td><strong>\u96fb\u6d41\u5b9a\u683c\u8a18\u53f7<\/strong><\/td>\n<td>In\uff08\u516c\u79f0\u96fb\u6d41\uff09<\/td>\n<td>InA\uff08\u30a2\u30bb\u30f3\u30d6\u30ea\uff09\u3001Inc\uff08\u56de\u8def\uff09\u3001RDF\u4fee\u98fe\u5b50\u4ed8\u304d<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8cac\u4efb<\/strong><\/td>\n<td>OEM\u3068\u30d1\u30cd\u30eb\u30d3\u30eb\u30c0\u30fc\u306e\u9593\u3067\u66d6\u6627<\/td>\n<td>\u660e\u78ba\u306a\u5272\u308a\u5f53\u3066\uff1a\u5143\u306e\u88fd\u9020\u696d\u8005\u304c\u8a2d\u8a08\u3092\u691c\u8a3c\u3057\u3001\u30a2\u30bb\u30f3\u30d6\u30e9\u30fc\u304c\u6587\u66f8\u5316\u3055\u308c\u305f\u624b\u9806\u306b\u5f93\u3046<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u3053\u308c\u304c\u91cd\u8981\u306a\u7406\u7531<\/strong>\uff1a\u53e4\u3044\u898f\u683c\u3067\u306f\u3001\u30d1\u30cd\u30eb\u30d3\u30eb\u30c0\u30fc\u306f\u30ab\u30bf\u30ed\u30b0\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u6a5f\u5668\u3092\u7d44\u307f\u7acb\u3066\u3001\u6e96\u62e0\u3057\u3066\u3044\u308b\u3068\u60f3\u5b9a\u3067\u304d\u307e\u3057\u305f\u3002IEC 61439\u3067\u306f <strong>\u6587\u66f8\u5316\u3055\u308c\u305f\u8a3c\u62e0<\/strong> \u304c\u5fc5\u8981\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u7279\u5b9a\u306e\u30a2\u30bb\u30f3\u30d6\u30ea\u69cb\u6210\u304c\u71b1\u6027\u80fd\u306b\u3064\u3044\u3066\u691c\u8a3c\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u5b66\u8853\u7684\u306a\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u9023\u7d9a\u4f7f\u7528\u5b9a\u683c\u306e\u30b7\u30b9\u30c6\u30e0\u3068\u904e\u71b1\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u9055\u3044\u3067\u3059\u3002.<\/p>\n<hr>\n<h2>InA \u2013 \u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u5b9a\u683c\u96fb\u6d41\uff1a\u914d\u96fb\u5bb9\u91cf\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3<\/h2>\n<h3>\u5b9a\u7fa9\u3068\u6c7a\u5b9a\uff08IEC 61439-1\uff1a2020\u30015.3.1\u9805\uff09<\/h3>\n<p><strong>InA\u306f\u3001\u7279\u5b9a\u306e\u7d44\u307f\u7acb\u3066\u914d\u7f6e\u306b\u304a\u3044\u3066\u3001\u4e3b\u30d0\u30b9\u30d0\u30fc\u304c9.2\u9805\u306b\u898f\u5b9a\u3055\u308c\u305f\u6e29\u5ea6\u4e0a\u6607\u5236\u9650\u3092\u8d85\u3048\u305a\u306b\u5206\u914d\u3067\u304d\u308b\u7dcf\u96fb\u6d41\u3067\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u3001InA\u304c<\/strong>, 2\u3064\u306e\u5024\u306e\u3046\u3061\u5c0f\u3055\u3044\u65b9 <strong>\u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002<\/strong>:<\/p>\n<p><strong>\uff08a\uff09\u4e26\u5217\u3067\u52d5\u4f5c\u3059\u308b\u3059\u3079\u3066\u306e\u5165\u529b\u56de\u8def\u306e\u5b9a\u683c\u96fb\u6d41\u306e\u5408\u8a08<\/strong>\u3042\u308b\u3044\u306f<br \/>\n    <strong>\uff08b\uff09\u305d\u306e\u7279\u5b9a\u306e\u7269\u7406\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u304a\u3051\u308b\u4e3b\u30d0\u30b9\u30d0\u30fc\u306e\u96fb\u6d41\u5bb9\u91cf<\/strong><\/p>\n<p>\u3053\u306e\u4e8c\u91cd\u5236\u9650\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u3092\u6349\u3048\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u5165\u529b\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5408\u8a08\u304c800A\uff08\u305f\u3068\u3048\u3070\u30012\u3064\u306e400A\u5165\u529b\uff09\u306e\u5834\u5408\u3001InA\u306f\u81ea\u52d5\u7684\u306b800A\u3067\u3042\u308b\u3068\u60f3\u5b9a\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u305d\u3046\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30d0\u30b9\u30d0\u30fc\u306e\u914d\u7f6e\u304c\u7aef\u5b50\u306770\u00b0C\u306e\u6e29\u5ea6\u4e0a\u6607\u3092\u8d85\u3048\u308b\u524d\u306b650A\u3057\u304b\u5206\u914d\u3067\u304d\u306a\u3044\u5834\u5408\u3001, <strong>InA = 650A<\/strong>.<\/p>\n<h3>\u306a\u305c\u7269\u7406\u30ec\u30a4\u30a2\u30a6\u30c8\u304cInA\u3092\u6c7a\u5b9a\u3059\u308b\u306e\u304b<\/h3>\n<p>\u6bcd\u7dda\u96fb\u6d41\u5bb9\u91cf\u306f\u3001\u5358\u306b\u9285\u306e\u65ad\u9762\u7a4d\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002IEC 61439-1\u306f\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u6700\u9ad8\u6e29\u5ea6\u70b9\u3067\u306e\u6e29\u5ea6\u4e0a\u6607\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002 <strong>\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u6700\u9ad8\u6e29\u5ea6\u70b9<\/strong>\u2014\u901a\u5e38\u306f\u4ee5\u4e0b\u306e\u5834\u6240\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u6bcd\u7dda\u304c90\u00b0\u306b\u66f2\u304c\u308b\u7b87\u6240\uff08\u5c40\u6240\u7684\u306a\u6e26\u96fb\u6d41\u304c\u767a\u751f\uff09<\/li>\n<li>\u5165\u529b\u30b1\u30fc\u30d6\u30eb\u306e\u7d42\u7aef\u7b87\u6240\uff08\u5727\u7e2e\u30e9\u30b0\u3067\u306e\u62b5\u6297\uff09<\/li>\n<li>\u51fa\u529b\u30c7\u30d0\u30a4\u30b9\u304c\u5bc6\u96c6\u3057\u3066\u3044\u308b\u7b87\u6240\uff08\u7d2f\u7a4d\u7684\u306a\u71b1\u653e\u5c04\uff09<\/li>\n<li>\u63db\u6c17\u304c\u5236\u9650\u3055\u308c\u3066\u3044\u308b\u7b87\u6240\uff08\u5185\u90e8\u7a7a\u6c17\u5faa\u74b0\u30d1\u30bf\u30fc\u30f3\uff09<\/li>\n<\/ul>\n<p>100\u00d710mm\u306e\u9285\u6bcd\u7dda\u306f\u3001\u81ea\u7531\u7a7a\u9593\u3067\u7d04850A\u306e\u7406\u8ad6\u4e0a\u306e\u5bb9\u91cf\u3092\u6301\u3061\u307e\u3059\u3002\u540c\u3058\u6bcd\u7dda\u3067\u3082\u3001IP54\u306e\u5bc6\u9589\u3055\u308c\u305f\u30b9\u30a4\u30c3\u30c1\u30ae\u30a2\u5185\u3067\u3001\u30b1\u30fc\u30d6\u30eb\u30b0\u30e9\u30f3\u30c9\u304c\u3042\u308a\u3001\u8ca0\u8377\u306e\u304b\u304b\u3063\u305f\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306b\u56f2\u307e\u308c\u300145\u00b0C\u306e\u5468\u56f2\u6e29\u5ea6\u3067\u5782\u76f4\u306b\u53d6\u308a\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u6e29\u5ea6\u5236\u9650\u3092\u8d85\u3048\u305a\u306b\u5206\u914d\u3067\u304d\u308b\u306e\u306f500A\u306e\u307f\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002.<\/p>\n<p><strong>\u91cd\u8981\u306a\u8aa4\u89e3<\/strong>\uff1aInA \u2260 \u4e3b\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5b9a\u683c\u3002630A\u306e\u4e3b\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u3042\u3063\u3066\u3082\u3001InA = 630A\u3067\u3042\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u6bcd\u7dda\u30ec\u30a4\u30a2\u30a6\u30c8\u304c500A\u307e\u3067\u306e\u5206\u914d\u306b\u5236\u9650\u3059\u308b\u5834\u5408\u3001InA = 500A\u3068\u306a\u308a\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u306f\u305d\u308c\u306b\u5fdc\u3058\u3066\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>InA\u8a08\u7b97\u4f8b\uff1a\u30c7\u30e5\u30a2\u30eb\u30a4\u30f3\u30ab\u30de\u30fc\u30b7\u30ca\u30ea\u30aa<\/h3>\n<p>\u4f9b\u7d66\u5197\u9577\u6027\u306e\u305f\u3081\u306b2\u3064\u306e\u5165\u529b\u30d5\u30a3\u30fc\u30c0\u30fc\u3092\u5099\u3048\u305f\u4e00\u822c\u7684\u306a\u7523\u696d\u7528\u914d\u96fb\u76e4\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse; text-align: left;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u30d1\u30e9\u30e1\u30fc\u30bf<\/th>\n<th>\u30a4\u30f3\u30ab\u30de\u30fc1<\/th>\n<th>\u30a4\u30f3\u30ab\u30de\u30fc2<\/th>\n<th>\u6bcd\u7dda\u5bb9\u91cf<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u5b9a\u683c\uff08In\uff09<\/td>\n<td>630A<\/td>\n<td>630A<\/td>\n<td>\u5b9a\u683c1,000A\u5c0e\u4f53<\/td>\n<\/tr>\n<tr>\n<td>Inc\uff08\u5165\u529b\u56de\u8def\u5b9a\u683c\uff09<\/td>\n<td>600A<\/td>\n<td>600A<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Inc\u306e\u5408\u8a08\uff08\u4e26\u5217\u904b\u8ee2\uff09<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>1,200A<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6bcd\u7dda\u5206\u914d\u5bb9\u91cf<\/strong> \uff08\u3053\u306e\u7279\u5b9a\u306e\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\/\u30ec\u30a4\u30a2\u30a6\u30c8\u3067\u306e\u6e29\u5ea6\u4e0a\u6607\u8a66\u9a13\u3067\u691c\u8a3c\u6e08\u307f\uff09<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td><strong>800A<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>InA\uff08\u30a2\u30bb\u30f3\u30d6\u30ea\u5b9a\u683c\u96fb\u6d41\uff09<\/strong><\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td><strong>800A<\/strong> \u2713<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u7d50\u679c<\/strong>\uff1a2\u3064\u306e600A\u5165\u529b\u56de\u8def\uff08\u5408\u8a08= 1,200A\uff09\u304c\u3042\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u3053\u306e\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u7269\u7406\u7684\u306a\u6bcd\u7dda\u914d\u7f6e\u306f800A\u3057\u304b\u5206\u914d\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001, <strong>InA = 800A<\/strong>. \u3002\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u9298\u677f\u306b\u306f\u3001\u3053\u306e\u5236\u9650\u3092\u660e\u8a18\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/VIOX-Switchgear-Internal-Busbar-Layout-and-Thermal-Analysis-Diagram.webp\" alt=\"Technical diagram cutaway view of switchgear showing thermal hotspots\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 5px;\">\u56f32\uff1a\u71b1\u5206\u6790\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u3092\u5099\u3048\u305f\u5185\u90e8\u6bcd\u7dda\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u793a\u3059\u6280\u8853\u7684\u306a\u65ad\u9762\u56f3\u3002\u66f2\u304c\u308a\u89d2\u3068\u7d42\u7aef\u7b87\u6240\u3067\u306e\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u3092\u5f37\u8abf\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002.<\/figcaption><\/figure>\n<h3>\u6e29\u5ea6\u4e0a\u6607\u691c\u8a3c\u8981\u4ef6<\/h3>\n<p>IEC 61439-1\u3001\u88688\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u6700\u5927\u6e29\u5ea6\u4e0a\u6607\u5236\u9650\uff08\u5468\u56f2\u6e29\u5ea6\u3092\u8d85\u3048\u308b\uff09\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u88f8\u6bcd\u7dda\uff08\u9285\uff09<\/strong>\uff1a70K\u4e0a\u6607\uff08\u5468\u56f2\u6e29\u5ea6\u3088\u308a70\u00b0C\u9ad8\u3044\uff09<\/li>\n<li><strong>\u30dc\u30eb\u30c8\u7de0\u3081\u3055\u308c\u305f\u6bcd\u7dda\u63a5\u7d9a<\/strong>\uff1a65K\u4e0a\u6607<\/li>\n<li><strong>MCB\/MCCB\u7aef\u5b50<\/strong>\uff1a70K\u4e0a\u6607<\/li>\n<li><strong>\u30b1\u30fc\u30d6\u30eb\u7d42\u7aef\u30e9\u30b0<\/strong>\uff1a70K\u4e0a\u6607<\/li>\n<li><strong>\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u5916\u90e8\u8868\u9762\uff08\u91d1\u5c5e\uff09<\/strong>\uff1a30K\u4e0a\u6607<\/li>\n<li><strong>\u30cf\u30f3\u30c9\u30eb\/\u30b0\u30ea\u30c3\u30d7<\/strong>\uff1a15K\u4e0a\u6607<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u5236\u9650\u306f\u300135\u00b0C\u306e\u5468\u56f2\u6e29\u5ea6\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u300245\u00b0C\u306e\u5468\u56f2\u6e29\u5ea6\u3067\u306f\u3001115\u00b0C\uff0870K\u4e0a\u6607\uff09\u306b\u9054\u3059\u308b\u6bcd\u7dda\u306f\u7d76\u5bfe\u7684\u306a\u5236\u9650\u306b\u9054\u3057\u3066\u3044\u307e\u3059\u3002\u8ffd\u52a0\u306e\u8ca0\u8377\u307e\u305f\u306f\u63db\u6c17\u306e\u4f4e\u4e0b\u306f\u3001\u6545\u969c\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n<h3>InA\u304c\u30df\u30c3\u30b7\u30e7\u30f3\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306b\u306a\u308b\u5834\u5408<\/h3>\n<ol>\n<li><strong>\u592a\u967d\u5149\u767a\u96fb\u30de\u30a4\u30af\u30ed\u30b8\u30a7\u30cd\u30ec\u30fc\u30b7\u30e7\u30f3<\/strong>\uff1a\u5c4b\u4e0a\u592a\u967d\u5149\u767a\u96fb\u304c\u914d\u96fb\u76e4\u306b\u96fb\u529b\u3092\u4f9b\u7d66\u3059\u308b\u5834\u5408\u3001\u898f\u5247551.7.2\uff08BS 7671\uff09\u306f\u4ee5\u4e0b\u3092\u8981\u6c42\u3057\u307e\u3059\u3002 <strong>InA \u2265 In + Ig(s)<\/strong> \u3053\u3053\u3067\u3001In =\u4f9b\u7d66\u30d2\u30e5\u30fc\u30ba\u5b9a\u683c\u3001Ig(s) =\u767a\u96fb\u6a5f\u5b9a\u683c\u51fa\u529b\u96fb\u6d41\u300216A\u306e\u592a\u967d\u5149\u767a\u96fb\u51fa\u529b\u3092\u6301\u3064100A\u306e\u4f9b\u7d66\u306b\u306f\u3001InA \u2265 116A\u306e\u6700\u5c0f\u5024\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/li>\n<li><strong>EV\u5145\u96fb\u8a2d\u5099<\/strong>\uff1a\u8907\u6570\u306e <a href=\"https:\/\/test.viox.com\/ja\/ev-charger-circuit-breaker-sizing-guide-7kw-22kw\/\">7kW\u301c22kW\u306eEV\u5145\u96fb\u5668<\/a> \u306f\u3001\u5178\u578b\u7684\u306a\u591a\u69d8\u6027\u306b\u95a2\u3059\u308b\u4eee\u5b9a\u3092\u8d85\u3048\u308b\u6301\u7d9a\u7684\u306a\u8ca0\u8377\u3092\u751f\u307f\u51fa\u3057\u3001\u691c\u8a3c\u6e08\u307f\u306eInA\u5bb9\u91cf\u3092\u8981\u6c42\u3057\u307e\u3059\u3002.<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc<\/strong>\uff1a\u30b5\u30fc\u30d0\u30fc\u306e\u8ca0\u8377\u306f\u300190\u301c95\uff05\u306e\u5bb9\u91cf\u306724\u6642\u9593365\u65e5\u7a3c\u50cd\u3057\u3001InA =\u5b9f\u969b\u306e\u63a5\u7d9a\u8ca0\u8377\uff08\u591a\u69d8\u6027\u30af\u30ec\u30b8\u30c3\u30c8\u306a\u3057\uff09\u306e\u30b9\u30a4\u30c3\u30c1\u30ae\u30a2\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/li>\n<\/ol>\n<p><strong>VIOX\u8a2d\u8a08\u4e0a\u306e\u6ce8\u610f<\/strong>\uff1a\u5e38\u306bInA\u304c\u8ca0\u8377\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3068\u4e00\u81f4\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30e1\u30fc\u30ab\u30fc\u306e\u6e29\u5ea6\u4e0a\u6607\u8a66\u9a13\u30ec\u30dd\u30fc\u30c8\u3092\u8981\u6c42\u3057\u3001\u7279\u5b9a\u306e\u7d44\u307f\u7acb\u3066\u69cb\u6210\u304c\u30c6\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4e00\u822c\u7684\u306a\u6bcd\u7dda\u30c6\u30fc\u30d6\u30eb\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<hr>\n<h2>Inc \u2013 \u56de\u8def\u306e\u5b9a\u683c\u96fb\u6d41\uff1a\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u9298\u677f\u3092\u8d85\u3048\u3066<\/h2>\n<h3>\u5b9a\u7fa9\u3068\u9069\u7528\uff08IEC 61439-1\uff1a2020\u3001\u6761\u98055.3.2\uff09<\/h3>\n<p><strong>Inc\u306f\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u5185\u306e\u7279\u5b9a\u306e\u56de\u8def\u306e\u5b9a\u683c\u96fb\u6d41\u3067\u3059\u3002<\/strong>, \u3001\u96a3\u63a5\u3059\u308b\u56de\u8def\u3068\u306e\u71b1\u7684\u76f8\u4e92\u4f5c\u7528\u3068\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u7269\u7406\u7684\u306a\u914d\u7f6e\u3092\u8003\u616e\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u516c\u79f0\u5b9a\u683c\uff08In\uff09\u3068\u306f\u6839\u672c\u7684\u306b\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p>MCB\u306b\u306f\u3001\u305f\u3068\u3048\u307063A\u306e\u9298\u677f\u5b9a\u683c\uff08In\uff09\u304c\u4ed8\u3044\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5b9a\u683c\u306f\u3001\u6a19\u6e96\u6761\u4ef6\u4e0b\u3067\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u5358\u72ec\u3067\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u78ba\u7acb\u3055\u308c\u307e\u3059\uff08 <a href=\"https:\/\/test.viox.com\/ja\/mcb-full-form-in-electrical\/\">IEC 60898-1\u4ed5\u69d8<\/a>\u3092\u53c2\u7167\uff09\u3002\u3057\u304b\u3057\u3001\u540c\u305863A MCB\u304c\u3001\u4ed6\u306e\u8ca0\u8377\u306e\u304b\u304b\u3063\u305f\u30c7\u30d0\u30a4\u30b9\u306b\u56f2\u307e\u308c\u305f\u3001\u9ad8\u5bc6\u5ea6\u306b\u914d\u7f6e\u3055\u308c\u305f\u914d\u96fb\u76e4\u306b\u53d6\u308a\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u5834\u5408\u3001 <strong>\u56de\u8def\u5b9a\u683cInc\u306f\u5927\u5e45\u306b\u4f4e\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/strong>\u2014\u304a\u305d\u3089\u304f\u9023\u7d9a50A\u306e\u307f\u3067\u3059\u3002.<\/p>\n<h3>\u30c7\u30d0\u30a4\u30b9\u5b9a\u683c\uff08In\uff09\u5bfe\u56de\u8def\u5b9a\u683c\uff08Inc\uff09<\/h3>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse; text-align: left;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u6761\u4ef6<\/th>\n<th>\u5b9a\u683c\u96fb\u6d41 (In)<\/th>\n<th>\u56de\u8def\u5b9a\u683c\u96fb\u6d41 (Inc)<\/th>\n<th>\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5358\u4f53MCB\u3001\u958b\u653e\u7a7a\u9593\u3001\u5468\u56f2\u6e29\u5ea630\u2103<\/td>\n<td>63A<\/td>\n<td>63A<\/td>\n<td>1.0<\/td>\n<\/tr>\n<tr>\n<td>\u540c\u4e00MCB\u3001\u5bc6\u9589\u30d1\u30cd\u30eb\u5185\u300135\u2103\u3001\u96a3\u63a5\u3059\u308b3\u3064\u306eMCB\u306b\u901a\u96fb<\/td>\n<td>63A<\/td>\n<td>~55A<\/td>\n<td>0.87<\/td>\n<\/tr>\n<tr>\n<td>\u540c\u4e00MCB\u3001\u9ad8\u5bc6\u5ea6\u5b9f\u88c5IP54\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u5185\u300140\u2103\u3001\u96a3\u63a5\u3059\u308b8\u3064\u306eMCB\u306b\u901a\u96fb<\/td>\n<td>63A<\/td>\n<td>~47A<\/td>\n<td>0.75<\/td>\n<\/tr>\n<tr>\n<td>\u540c\u4e00MCB\u3001\u30b1\u30fc\u30d6\u30eb\u7d42\u7aef\u306b\u3088\u308b5W\u306e\u640d\u5931\u3001\u63db\u6c17\u4e0d\u826f<\/td>\n<td>63A<\/td>\n<td>~44A<\/td>\n<td>0.70<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u91cd\u8981\u306a\u8003\u5bdf<\/strong>\uff1a\u30c7\u30d0\u30a4\u30b9\u81ea\u4f53\u306f\u5909\u308f\u3089\u306a\u3044\u201463A\u306eMCB\u306f\u5358\u4f53\u3067\u306f\u4f9d\u7136\u3068\u3057\u306663A\u5b9a\u683c\u3067\u3042\u308b\u3002\u3057\u304b\u3057\u3001 <strong>\u7279\u5b9a\u306e\u8a2d\u7f6e\u74b0\u5883\u306b\u304a\u3051\u308b\u56de\u8def\u306e\u653e\u71b1\u80fd\u529b\u304c<\/strong> Inc\u3092\u6c7a\u5b9a\u3059\u308b\u3002\u3053\u308c\u304cIEC 61439\u3067\u691c\u8a3c\u3055\u308c\u308b\u5185\u5bb9\u3067\u3042\u308b\u3002.<\/p>\n<h3>Inc\u306e\u6c7a\u5b9a\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u56e0<\/h3>\n<ol>\n<li><strong>\u5b9f\u88c5\u5bc6\u5ea6<\/strong>\uff1a\u9593\u9694\u3092\u7a7a\u3051\u305a\u306b\u4e26\u3079\u3066\u5b9f\u88c5\u3055\u308c\u305fMCB\u306f\u3001\u96a3\u63a5\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u9593\u3067\u71b1\u3092\u4f1d\u5c0e\u3059\u308b\u3002\u30e1\u30fc\u30ab\u30fc\u306f\u3001\u6700\u60aa\u306eInc\u3092\u6c7a\u5b9a\u3059\u308b\u305f\u3081\u306b\u3001\u7279\u5b9a\u306e\u69cb\u6210\uff08\u4f8b\u3048\u3070\u3001\u300c10\u500b\u306eMCB\u30921\u5217\u306b\u4e26\u3079\u3001\u901a\u96fb\/\u975e\u901a\u96fb\u3092\u4ea4\u4e92\u306b\u3059\u308b\u300d\uff09\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3002.<\/li>\n<li><strong>\u30b1\u30fc\u30d6\u30eb\u7d42\u7aef\u640d\u5931<\/strong>\uff1a\u30dc\u30eb\u30c8\u7de0\u3081\u307e\u305f\u306f\u30af\u30e9\u30f3\u30d7\u63a5\u7d9a\u306f\u3059\u3079\u3066\u62b5\u6297\u3092\u8ffd\u52a0\u3059\u308b\u3002\u30c8\u30eb\u30af\u304c\u4e0d\u9069\u5207\u306a\u30e9\u30b0\u306f\u300150A\u3067\u6975\u3042\u305f\u308a2\u301c3W\u306e\u71b1\u3092\u8ffd\u52a0\u3059\u308b\u300220\u500b\u306e\u51fa\u529b\u56de\u8def\u5168\u4f53\u3067\u4e57\u7b97\u3059\u308b\u3068\u3001100W\u4ee5\u4e0a\u306e\u71b1\u8ca0\u8377\u304c\u8ffd\u52a0\u3055\u308c\u3001\u3059\u3079\u3066\u306e\u56de\u8def\u306eInc\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3002.<\/li>\n<li><strong>\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u306e\u63db\u6c17<\/strong>\uff1aIP21\u306e\u5e95\u9762\u958b\u653e\u578b\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u306f\u81ea\u7136\u306b\u71b1\u3092\u653e\u6563\u3059\u308b\u3002IP54\u306e\u30ac\u30b9\u30b1\u30c3\u30c8\u4ed8\u304d\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u306f\u71b1\u3092\u9589\u3058\u8fbc\u3081\u308b\u3002\u76f4\u5c04\u65e5\u5149\u4e0b\u306eIP65\u30dd\u30ea\u30ab\u30fc\u30dc\u30cd\u30fc\u30c8\u30dc\u30c3\u30af\u30b9\u306f\u3001\u6975\u7aef\u306a\u5185\u90e8\u6e29\u5ea6\u3092\u4f5c\u308a\u51fa\u3059\u3002Inc\u306f\u3053\u308c\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002.<\/li>\n<li><strong>\u6bcd\u7dda\u8fd1\u63a5<\/strong>\uff1a\u9ad8\u96fb\u6d41\u6bcd\u7dda\uff08\u5e79\u7dda\u4f9b\u7d66\uff09\u306e\u8fd1\u304f\u306b\u5b9f\u88c5\u3055\u308c\u305f\u56de\u8def\u306f\u3001\u6bcd\u7dda\u81ea\u4f53\u304b\u3089\u306e\u653e\u5c04\u71b1\u3092\u53d7\u3051\u3001\u9060\u9694\u5730\u306b\u5b9f\u88c5\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u3088\u308a\u3082Inc\u304c\u4f4e\u4e0b\u3059\u308b\u3002.<\/li>\n<li><strong>\u9ad8\u5ea6\u3068\u5468\u56f2\u6761\u4ef6<\/strong>\uff1a\u8a73\u7d30\u306a\u8a08\u7b97\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u30ac\u30a4\u30c9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/test.viox.com\/ja\/electrical-derating-temperature-altitude-grouping-factors\/\">\u6e29\u5ea6\u3001\u9ad8\u5ea6\u3001\u304a\u3088\u3073\u30b0\u30eb\u30fc\u30d7\u5316\u4fc2\u6570\u306b\u95a2\u3059\u308b\u96fb\u6c17\u7684\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0<\/a> \u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ol>\n<h3>\u5b9f\u969b\u306e\u4f8b\uff1a\u9ad8\u5bc6\u5ea6\u5b9f\u88c5\u30d1\u30cd\u30eb\u5185\u306e63A MCB<\/h3>\n<p>\u7523\u696d\u7528\u5236\u5fa1\u76e4\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u308b\uff1a<\/p>\n<ul>\n<li>\u30e2\u30fc\u30bf\u30fc\u30d5\u30a3\u30fc\u30c0\u30fc\u7528\u306e12\u00d763A MCB<\/li>\n<li>\u5358\u4e00\u306eDIN\u30ec\u30fc\u30eb\u5217\u306b\u5b9f\u88c5<\/li>\n<li>40\u2103\u306e\u5468\u56f2\u6e29\u5ea6\u306eIP54\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u5185\uff08\u6a5f\u68b0\u5ba4\uff09<\/li>\n<li>\u81ea\u7136\u63db\u6c17\u4e0d\u826f\uff08\u30d5\u30a1\u30f3\u306a\u3057\uff09<\/li>\n<\/ul>\n<p><strong>\u30e1\u30fc\u30ab\u30fc\u306e\u691c\u8a3c<\/strong>\uff1a\u6e29\u5ea6\u4e0a\u6607\u8a66\u9a13\u3067\u306f\u300112\u56de\u8def\u3059\u3079\u3066\u306b\u540c\u6642\u306b63A\u306e\u8ca0\u8377\u3092\u304b\u3051\u308b\u3068\u3001\u7aef\u5b50\u6e29\u5ea6\u304c110\u2103\u3092\u8d85\u3048\u308b\uff0840\u2103\u306e\u5468\u56f2\u6e29\u5ea6+ 70K\u306e\u4e0a\u6607\u5236\u9650\uff09\u3002IEC 61439-1\u306b\u6e96\u62e0\u3059\u308b\u305f\u3081\u306b\u3001\u30e1\u30fc\u30ab\u30fc\u306f\u4ee5\u4e0b\u3092\u5ba3\u8a00\u3059\u308b\uff1a<\/p>\n<ul>\n<li>\u30c7\u30d0\u30a4\u30b9\u5b9a\u683c (In): MCB\u3042\u305f\u308a63A<\/li>\n<li><strong>\u56de\u8def\u5b9a\u683c (Inc): 47A<\/strong> \u3053\u306e\u69cb\u6210\u306b\u304a\u3051\u308b\u56de\u8def\u3042\u305f\u308a<\/li>\n<li>\u5fc5\u8981\u306aRDF: 0.75 (\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u8aac\u660e)<\/li>\n<\/ul>\n<p><strong>\u5b9f\u7528\u7684\u306a\u5f71\u97ff<\/strong>\uff1a\u5404\u30e2\u30fc\u30bf\u30fc\u56de\u8def\u306f47A\u306e\u9023\u7d9a\u8ca0\u8377\u306b\u5236\u9650\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3001\u307e\u305f\u306f\u3088\u308a\u9ad8\u3044Inc\u5024\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306b\u3001\u9593\u9694\/\u63db\u6c17\u3092\u8a2d\u3051\u3066\u30d1\u30cd\u30eb\u3092\u518d\u69cb\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002.<\/p>\n<p>\u53e4\u3044\u898f\u683c\u3068\u306e\u6bd4\u8f03\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/test.viox.com\/ja\/iec-60947-3-utilization-categories-guide\/\">IEC 60947-3 \u4f7f\u7528\u30ab\u30c6\u30b4\u30ea<\/a> \u3053\u308c\u306f\u30a2\u30bb\u30f3\u30d6\u30ea\u3067\u306f\u306a\u304f\u3001\u30c7\u30d0\u30a4\u30b9\u81ea\u4f53\u3092\u898f\u5b9a\u3059\u308b\u3002.<\/p>\n<hr>\n<h2>RDF \u2013 \u5b9a\u683c\u591a\u69d8\u7387\uff1a\u91cd\u8981\u306a\u71b1\u4e57\u6570<\/h2>\n<h3>\u5b9a\u7fa9\u3068\u76ee\u7684 (IEC 61439-1:2020, Clause 5.3.3)<\/h3>\n<p><strong>RDF\uff08\u5b9a\u683c\u591a\u69d8\u7387\uff09\u306f\u3001\u3059\u3079\u3066\u306e\u51fa\u529b\u56de\u8def\uff08\u307e\u305f\u306f\u56de\u8def\u306e\u30b0\u30eb\u30fc\u30d7\uff09\u304c\u9023\u7d9a\u7684\u304b\u3064\u540c\u6642\u306b\u8ca0\u8377\u3092\u304b\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308bInc\u306e\u5358\u4f4d\u5024\u3067\u3042\u308b\u3002<\/strong>, \u3001\u76f8\u4e92\u306e\u71b1\u7684\u5f71\u97ff\u3092\u8003\u616e\u3059\u308b\u3002\u3053\u308c\u306f\u3001\u6e29\u5ea6\u4e0a\u6607\u691c\u8a3c\u306b\u57fa\u3065\u3044\u3066\u30a2\u30bb\u30f3\u30d6\u30ea\u30e1\u30fc\u30ab\u30fc\u306b\u3088\u3063\u3066\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u3002.<\/p>\n<p><strong>\u91cd\u8981\u306a\u533a\u5225<\/strong>\uff1aRDF\u306f\u3001\u96fb\u6c17\u7684\u591a\u69d8\u7387\uff08BS 7671\u307e\u305f\u306fNEC Article 220\u306e\u3088\u3046\u306a\uff09\u3067\u306f\u306a\u3044\u3002\u3053\u308c\u3089\u306e\u30b3\u30fc\u30c9\u306f\u3001\u5b9f\u969b\u306e\u8ca0\u8377\u4f7f\u7528\u30d1\u30bf\u30fc\u30f3\u3092\u63a8\u5b9a\u3059\u308b\uff08\u300c\u3059\u3079\u3066\u306e\u8ca0\u8377\u304c\u540c\u6642\u306b\u5b9f\u884c\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u300d\uff09\u3002RDF\u306f <strong>\u71b1\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570<\/strong> \u3067\u3042\u308a\u3001\u904e\u71b1\u3092\u9632\u3050\u305f\u3081\u306b\u56de\u8def\u8ca0\u8377\u3092\u5236\u9650\u3059\u308b <strong>\u3059\u3079\u3066\u306e\u56de\u8def\u304c\u540c\u6642\u306b\u5b9f\u884c\u3055\u308c\u308b\u5834\u5408<\/strong>.<\/p>\n<h3>RDF\u5024\u3068\u305d\u306e\u610f\u5473<\/h3>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse; text-align: left;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>RDF\u5024<\/th>\n<th>\u306e\u4f4d\u7f6e\u306b\u3042\u308b\u72b6\u614b\u3067\u3001\u8d64\u30d7\u30ed\u30fc\u30d6\u3092\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u7aef\u5b50\u30cd\u30b8\u306b\u614e\u91cd\u306b\u63a5\u89e6\u3055\u305b\u307e\u3059\u3002<\/th>\n<th>\u4ee3\u8868\u7684\u306a\u7528\u9014<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>1.0<\/strong><\/td>\n<td>\u3059\u3079\u3066\u306e\u56de\u8def\u304c\u540c\u6642\u306b\u30d5\u30ebInc\u3092\u9023\u7d9a\u7684\u306b\u904b\u3076\u3053\u3068\u304c\u3067\u304d\u308b<\/td>\n<td>\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3001\u9023\u7d9a\u904b\u8ee2\u306e\u7523\u696d\u30d7\u30ed\u30bb\u30b9\u30e9\u30a4\u30f3\u3001\u91cd\u8981\u306a\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3<\/td>\n<\/tr>\n<tr>\n<td><strong>0.8<\/strong><\/td>\n<td>\u5404\u56de\u8def\u306f\u3001\u9023\u7d9a\u540c\u6642\u8ca0\u8377\u306e\u305f\u3081\u306bInc\u306e80%\u306b\u5236\u9650\u3055\u308c\u308b<\/td>\n<td>\u6df7\u5408\u8ca0\u8377\u306e\u3042\u308b\u5546\u696d\u30d3\u30eb\u3001\u63db\u6c17\u306e\u826f\u3044\u30d1\u30cd\u30eb\u3001\u9069\u5ea6\u306a\u8ca0\u8377\u5bc6\u5ea6<\/td>\n<\/tr>\n<tr>\n<td><strong>0.68<\/strong><\/td>\n<td>\u5404\u56de\u8def\u306f\u3001\u9023\u7d9a\u540c\u6642\u8ca0\u8377\u306e\u305f\u3081\u306bInc\u306e68%\u306b\u5236\u9650\u3055\u308c\u308b<\/td>\n<td>\u4f4f\u5b85\u7528\u914d\u96fb\u76e4\u3001\u9ad8\u5bc6\u5ea6\u5b9f\u88c5\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u3001\u9ad8\u3044\u5468\u56f2\u6e29\u5ea6<\/td>\n<\/tr>\n<tr>\n<td><strong>0.6<\/strong><\/td>\n<td>\u5404\u56de\u8def\u306f\u3001\u9023\u7d9a\u540c\u6642\u8ca0\u8377\u306e\u305f\u3081\u306bInc\u306e60%\u306b\u5236\u9650\u3055\u308c\u308b<\/td>\n<td>\u975e\u5e38\u306b\u9ad8\u5bc6\u5ea6\u306a\u30d1\u30cd\u30eb\u3001\u63db\u6c17\u4e0d\u826f\u3001\u9ad8\u3044\u5468\u56f2\u6761\u4ef6\u3001\u5f8c\u4ed8\u3051\u30b7\u30ca\u30ea\u30aa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u4f8b<\/strong>\uff1a\u914d\u96fb\u76e4\u306b\u306f\u3001Inc = 50A\u304a\u3088\u3073RDF = 0.68\u306e\u51fa\u529b\u56de\u8def\u304c\u3042\u308b\u3002\u305d\u306e\u56de\u8def\u306b\u8a31\u5bb9\u3055\u308c\u308b\u6700\u5927\u9023\u7d9a\u540c\u6642\u8ca0\u8377\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3042\u308b\u3002<\/p>\n<p><strong>IB (\u52d5\u4f5c\u96fb\u6d41) = Inc \u00d7 RDF = 50A \u00d7 0.68 = 34A<\/strong><\/p>\n<p>\u305d\u306e\u56de\u8def\u306b45A\u306e\u96fb\u6d41\u3092\u9023\u7d9a\u7684\u306b\u6d41\u3059\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u30012\u3064\u306e\u9078\u629e\u80a2\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u3088\u308a\u9ad8\u3044RDF\u3092\u6301\u3064\u30d1\u30cd\u30eb\u3092\u6307\u5b9a\u3059\u308b\uff08\u4f8b\uff1a0.9 \u2192 50A \u00d7 0.9 = 45A \u2713\uff09<\/li>\n<li>\u305d\u306e\u56de\u8def\u306eInc\u5b9a\u683c\u3092\u9ad8\u304f\u3059\u308b\u69cb\u6210\u3092\u8981\u6c42\u3059\u308b\uff08\u4f8b\uff1aInc = 63A \u2192 63A \u00d7 0.68 = 43A\u3001\u307e\u3060\u4e0d\u5341\u5206\u3002Inc = 67A\u307e\u305f\u306fRDF = 0.9\u304c\u5fc5\u8981\uff09<\/li>\n<\/ol>\n<h3>\u30e1\u30fc\u30ab\u30fc\u304c\u8a66\u9a13\u3092\u901a\u3058\u3066RDF\u3092\u6c7a\u5b9a\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>IEC 61439-1\u306e10.10\u9805\u306f\u3001\u4ee5\u4e0b\u306e\u65b9\u6cd5\u306b\u3088\u308b\u6e29\u5ea6\u4e0a\u6607\u306e\u691c\u8a3c\u3092\u8981\u6c42\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u65b9\u6cd51 \u2013 \u5b8c\u5168\u8a66\u9a13<\/strong>\uff1a\u30a2\u30bb\u30f3\u30d6\u30ea\u3092\u5b9a\u683c\u6761\u4ef6\uff08\u5165\u529b\u56de\u8def\u3067InA\u3001\u51fa\u529b\u56de\u8def\u3067Inc \u00d7 RDF\uff09\u3067\u3001\u71b1\u5e73\u8861\u306b\u9054\u3059\u308b\u306e\u306b\u5341\u5206\u306a\u6642\u9593\u8ca0\u8377\u3092\u304b\u3051\u307e\u3059\u3002\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3067\u6e29\u5ea6\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u3059\u3079\u3066\u304c\u5236\u9650\u5024\uff08\u88688\uff09\u3092\u4e0b\u56de\u3063\u3066\u3044\u308c\u3070\u3001RDF\u306f\u691c\u8a3c\u3055\u308c\u307e\u3059\u3002.<\/p>\n<p><strong>\u65b9\u6cd52 \u2013 \u8a08\u7b97<\/strong> \uff08InA \u2264 1,600A\u307e\u3067\u8a31\u53ef\uff09\uff1aIEC 61439-1\u306e\u9644\u5c5e\u66f8D\u306b\u5f93\u3063\u3066\u71b1\u30e2\u30c7\u30ea\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u3001\u4ee5\u4e0b\u3092\u8003\u616e\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u5404\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u96fb\u529b\u640d\u5931\uff08\u30e1\u30fc\u30ab\u30fc\u306e\u30c7\u30fc\u30bf\u304b\u3089\uff09<\/li>\n<li>\u71b1\u4f1d\u9054\u4fc2\u6570\uff08\u5bfe\u6d41\u3001\u653e\u5c04\u3001\u4f1d\u5c0e\uff09<\/li>\n<li>\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u306e\u71b1\u7279\u6027\uff08\u6750\u6599\u3001\u8868\u9762\u7a4d\u3001\u63db\u6c17\u53e3\uff09<\/li>\n<\/ul>\n<p><strong>\u65b9\u6cd53 \u2013 \u5b9f\u7e3e\u306e\u3042\u308b\u8a2d\u8a08<\/strong>\uff1a\u30a2\u30bb\u30f3\u30d6\u30ea\u304c\u3001\u4ee5\u524d\u306b\u8a66\u9a13\u3055\u308c\u305f\u985e\u4f3c\u306e\u8a2d\u8a08\u304b\u3089\u6d3e\u751f\u3057\u305f\u3082\u306e\u3067\u3042\u308a\u3001\u71b1\u6027\u80fd\u3092\u60aa\u5316\u3055\u305b\u306a\u3044\u6587\u66f8\u5316\u3055\u308c\u305f\u5909\u66f4\u304c\u52a0\u3048\u3089\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u8a3c\u660e\u3057\u307e\u3059\u3002.<\/p>\n<p>\u307b\u3068\u3093\u3069\u306e\u30e1\u30fc\u30ab\u30fc\u306f\u3001\u4e3b\u529b\u88fd\u54c1\u30e9\u30a4\u30f3\u306b\u306f\u65b9\u6cd51\u3092\u4f7f\u7528\u3057\u3001\u65b9\u6cd53\u3092\u4f7f\u7528\u3057\u3066\u30d0\u30ea\u30a2\u30f3\u30c8\u3092\u6d3e\u751f\u3055\u305b\u307e\u3059\u3002\u30ab\u30b9\u30bf\u30e0\u30d1\u30cd\u30eb\u3067\u306f\u3001\u65b9\u6cd52\u306e\u8a08\u7b97\u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>RDF\u306e\u9069\u7528\u4f8b\uff1a8\u56de\u8def\u914d\u96fb\u76e4<\/h3>\n<p>\u696d\u52d9\u7528\u5efa\u7269\u306e\u914d\u96fb\u76e4\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse; text-align: left;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u30b5\u30fc\u30ad\u30c3\u30c8<\/th>\n<th>\u30c7\u30d0\u30a4\u30b9\uff08In\uff09<\/th>\n<th>Inc\u5b9a\u683c<\/th>\n<th>RDF<\/th>\n<th>\u6700\u5927\u9023\u7d9a\u8ca0\u8377\uff08IB\uff09<\/th>\n<th>\u5b9f\u969b\u306e\u8ca0\u8377<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5165\u529b\u56de\u8def<\/td>\n<td>100A MCCB<\/td>\n<td>100A<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>\u51fa\u529b\u56de\u8def\u306e\u5408\u8a08<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u8def1<\/td>\n<td>32A MCB<\/td>\n<td>32A<\/td>\n<td>0.7<\/td>\n<td>22.4A<\/td>\n<td>20A\uff08\u7167\u660e\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u8def2<\/td>\n<td>32A MCB<\/td>\n<td>32A<\/td>\n<td>0.7<\/td>\n<td>22.4A<\/td>\n<td>18A\uff08\u7167\u660e\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u8def3<\/td>\n<td>40A RCBO<\/td>\n<td>40A<\/td>\n<td>0.7<\/td>\n<td>28A<\/td>\n<td>25A\uff08HVAC\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u8def4<\/td>\n<td>40A RCBO<\/td>\n<td>40A<\/td>\n<td>0.7<\/td>\n<td>28A<\/td>\n<td>27A\uff08HVAC\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u8def5<\/td>\n<td>20A MCB<\/td>\n<td>20A<\/td>\n<td>0.7<\/td>\n<td>14A<\/td>\n<td>12A\uff08\u30b3\u30f3\u30bb\u30f3\u30c8\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u8def6<\/td>\n<td>20A MCB<\/td>\n<td>20A<\/td>\n<td>0.7<\/td>\n<td>14A<\/td>\n<td>11A\uff08\u30b3\u30f3\u30bb\u30f3\u30c8\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u8def7<\/td>\n<td>63A MCB<\/td>\n<td>50A*<\/td>\n<td>0.7<\/td>\n<td>35A<\/td>\n<td>32A\uff08\u30ad\u30c3\u30c1\u30f3\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u8def8<\/td>\n<td>63A MCB<\/td>\n<td>50A*<\/td>\n<td>0.7<\/td>\n<td>35A<\/td>\n<td>30A\uff08\u30ad\u30c3\u30c1\u30f3\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size: 0.9em; color: #555;\">*\u56de\u8def7\u304a\u3088\u30738\u306f\u3001\u71b1\u6e90\u306e\u8fd1\u304f\u306b\u8a2d\u7f6e\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001Inc &lt; In\u3067\u3059\u3002<\/p>\n<p><strong>\u691c\u8a3c<\/strong>\uff1a\u5408\u8a08\u5b9f\u969b\u306e\u8ca0\u8377 = 175A\u3002RDF = 0.7\u306e\u5834\u5408\u3001\u30dc\u30fc\u30c9\u306f\uff08Inc \u00d7 RDF\uff09\u306e\u5408\u8a08 = \u6700\u5927199.2A\u3092\u51e6\u7406\u3067\u304d\u307e\u3059\u3002\u30dc\u30fc\u30c9\u306f\u9069\u5207\u306b\u5b9a\u683c\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u56de\u8def7\u307e\u305f\u306f8\u304c\u30d5\u30eb63A\u3067\u52d5\u4f5c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u71b1\u5236\u9650\u3092\u8d85\u3048\u307e\u3059\uff0863A &gt; \u8a31\u53ef\u3055\u308c\u308b35A\uff09\u3002.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/VIOX-Thermal-Derating-Graph-showing-IEC-61439-1-compliance-and-RDF-limits.webp\" alt=\"Technical diagram thermal derating graph showing RDF curves\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 5px;\">\u56f33\uff1a\u3055\u307e\u3056\u307e\u306aRDF\u5024\u306b\u5bfe\u3059\u308b\u3001\u96a3\u63a5\u3059\u308b\u8ca0\u8377\u56de\u8def\u306e\u6570\u306b\u5bfe\u3059\u308b\u8a31\u5bb9\u9023\u7d9a\u96fb\u6d41\u3092\u793a\u3059\u71b1\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u66f2\u7dda\u3002.<\/figcaption><\/figure>\n<h3>RDF = 1.0\u3092\u5fc5\u8981\u3068\u3059\u308b\u91cd\u8981\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h3>\n<ol>\n<li><strong>\u592a\u967d\u5149\u767a\u96fb\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9<\/strong>\uff1aPV\u30a2\u30ec\u30a4\u306f\u3001\u65e5\u4e2d\u306e\u30d4\u30fc\u30af\u6642\u306b1\u65e5\u306b4\u301c6\u6642\u9593\u6700\u5927\u96fb\u529b\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u30b9\u30c8\u30ea\u30f3\u30b0\u96fb\u6d41\u306f\u5b9a\u683c\u5bb9\u91cf\u3067\u540c\u6642\u306b\u6d41\u308c\u307e\u3059\u3002RDF &lt; 1.0\u306f\u3001\u8ff7\u60d1\u306a\u904e\u96fb\u6d41\u30c8\u30ea\u30c3\u30d7\u307e\u305f\u306f\u9577\u671f\u7684\u306a\u30d0\u30b9\u30d0\u30fc\u306e\u52a3\u5316\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u5f53\u793e\u306e <a href=\"https:\/\/test.viox.com\/ja\/solar-combiner-box-sizing-guide-expansion\/\">\u592a\u967d\u5149\u767a\u96fb\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u8a2d\u8a08\u30ac\u30a4\u30c9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/a>.<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u304a\u3088\u3073\u30b5\u30fc\u30d0\u30fc\u5ba4<\/strong>\uff1aIT\u8ca0\u8377\u306f\u3001\u5b9a\u683c\u5bb9\u91cf\u306e90\u301c95\uff05\u306724\u6642\u9593365\u65e5\u7a3c\u50cd\u3057\u307e\u3059\u3002\u308f\u305a\u304b\u306a\u71b1\u5909\u52d5\u3067\u3082\u6a5f\u5668\u306e\u640d\u50b7\u306e\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002RDF\u306f1.0\u306b\u7b49\u3057\u304f\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u71b1\u8a08\u7b97\u306b\u306f\u6700\u60aa\u306e\u30b7\u30ca\u30ea\u30aa\u3092\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<li><strong>\u7523\u696d\u7528\u9023\u7d9a\u30d7\u30ed\u30bb\u30b9<\/strong>\uff1a\u5316\u5b66\u30d7\u30e9\u30f3\u30c8\u3001\u6c34\u51e6\u7406\u300124\u6642\u9593\u88fd\u9020\u306a\u3069\u3001\u505c\u6b62 = \u9ad8\u4fa1\u306a\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u3068\u306a\u308b\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u3001RDF = 1.0\u5b9a\u683c\u306e\u958b\u9589\u88c5\u7f6e\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/li>\n<li><strong>EV\u5145\u96fb\u30b9\u30c6\u30fc\u30b7\u30e7\u30f3<\/strong>\uff1a\u8907\u6570\u306e <a href=\"https:\/\/test.viox.com\/ja\/commercial-vs-residential-ev-charging-protection-guide\/\">\u30ec\u30d9\u30eb2\u5145\u96fb\u5668<\/a> \u304c\u6570\u6642\u9593\u540c\u6642\u306b\u52d5\u4f5c\u3059\u308b\u3068\u3001\u5b8c\u5168\u306a\u71b1\u5bb9\u91cf\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u4e00\u822c\u7684\u306aRDF = 0.7\u306e\u6d88\u8cbb\u8005\u5411\u3051\u30dc\u30fc\u30c9\u306f\u3001\u3053\u308c\u3089\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u6025\u901f\u306b\u6545\u969c\u3057\u307e\u3059\u3002.<\/li>\n<\/ol>\n<h3>\u30a8\u30f3\u30b8\u30cb\u30a2\u304cRDF\u306b\u95a2\u3057\u3066\u72af\u3059\u4e00\u822c\u7684\u306a\u9593\u9055\u3044<\/h3>\n<p><strong>\u9593\u9055\u30441<\/strong>\uff1aRDF\uff08\u8ca0\u8377\u7387\uff09\u3092NEC\u307e\u305f\u306fBS 7671\u306e\u96fb\u6c17\u7684\u591a\u69d8\u6027\/\u9700\u8981\u7387\u3068\u6df7\u540c\u3059\u308b\u3053\u3068\u3002\u3053\u308c\u3089\u306f <strong>\u540c\u3058\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/strong>. \u96fb\u6c17\u7684\u591a\u69d8\u6027\u306f\u3001\u4f7f\u7528\u30d1\u30bf\u30fc\u30f3\u306b\u57fa\u3065\u3044\u3066\u7dcf\u63a5\u7d9a\u8ca0\u8377\u3092\u524a\u6e1b\u3057\u307e\u3059\uff08\u3059\u3079\u3066\u306e\u8ca0\u8377\u304c\u540c\u6642\u306b\u52d5\u4f5c\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\uff09\u3002RDF\u306f\u3001\u500b\u3005\u306e\u56de\u8def\u8ca0\u8377\u3092\u5236\u9650\u3057\u307e\u3059\u3002 <strong>\u3059\u3079\u3066\u306e\u8ca0\u8377\u304c\u540c\u6642\u306b\u52d5\u4f5c\u3059\u308b\u5834\u5408\u3067\u3082\u3001<\/strong> \u71b1\u7684\u5236\u7d04\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002.<\/p>\n<p><strong>\u9593\u9055\u30442<\/strong>\uff1a\u77ed\u6642\u9593\u8ca0\u8377\u3078\u306eRDF\u306e\u9069\u7528\u3002IEC 61439-1\u306f\u3001\u300c\u9023\u7d9a\u300d\u309230\u5206\u4ee5\u4e0a\u52d5\u4f5c\u3059\u308b\u8ca0\u8377\u3068\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002\u77ed\u6642\u9593\u306e\u30c7\u30e5\u30fc\u30c6\u30a3\u30b5\u30a4\u30af\u30eb\uff08\u4f8b\uff1a\u30e2\u30fc\u30bf\u30fc\u306e\u59cb\u52d5\u3001\u7a81\u5165\u96fb\u6d41\uff09\u306e\u5834\u5408\u3001RDF\u306f\u901a\u5e38\u9069\u7528\u3055\u308c\u307e\u305b\u3093\u3002\u71b1\u8cea\u91cf\u306b\u3088\u308a\u3001\u77ed\u6642\u9593\u306e\u30a4\u30d9\u30f3\u30c8\u3067\u306e\u6e29\u5ea6\u4e0a\u6607\u304c\u9632\u6b62\u3055\u308c\u308b\u305f\u3081\u3067\u3059\u3002.<\/p>\n<p><strong>\u9593\u9055\u30443<\/strong>\uff1aRDF\u304c\u3059\u3079\u3066\u306e\u56de\u8def\u306b\u7b49\u3057\u304f\u9069\u7528\u3055\u308c\u308b\u3068\u4eee\u5b9a\u3059\u308b\u3053\u3068\u3002\u88fd\u9020\u696d\u8005\u306f\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u5185\u306e\u7570\u306a\u308b\u30bb\u30af\u30b7\u30e7\u30f3\u307e\u305f\u306f\u30b0\u30eb\u30fc\u30d7\u306b\u7570\u306a\u308bRDF\u5024\u3092\u5272\u308a\u5f53\u3066\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u5e38\u306b\u7279\u5b9a\u306e\u56de\u8def\u306eRDF\u5024\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p><strong>\u9593\u9055\u30444<\/strong>\uff1a\u30d1\u30cd\u30eb\u306e\u6539\u9020\u4e2d\u306bRDF\u3092\u7121\u8996\u3059\u308b\u3053\u3068\u3002\u65e2\u5b58\u306e\u30dc\u30fc\u30c9\u306b\u56de\u8def\u3092\u8ffd\u52a0\u3059\u308b\u3068\u3001\u71b1\u8ca0\u8377\u304c\u5909\u5316\u3057\u307e\u3059\u3002\u5143\u306eRDF\u304c\u300c5\u3064\u306e\u56de\u8def\u304c\u8ca0\u8377\u3055\u308c\u3066\u3044\u308b\u300d\u306b\u57fa\u3065\u3044\u30660.8\u3060\u3063\u305f\u5834\u5408\u3001\u63db\u6c17\u304c\u6539\u5584\u3055\u308c\u306a\u3044\u9650\u308a\u3001\u3055\u3089\u306b3\u3064\u306e\u8ca0\u8377\u3055\u308c\u305f\u56de\u8def\u3092\u8ffd\u52a0\u3059\u308b\u3068\u3001\u6709\u52b9\u306aRDF\u304c0.65\u306b\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u95a2\u9023\u3059\u308b\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306e\u30b5\u30a4\u30b8\u30f3\u30b0\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ac\u30a4\u30c9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/test.viox.com\/ja\/circuit-breaker-ratings-icu-ics-icw-icm\/\">\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5b9a\u683c\uff1aICU\u3001ICS\u3001ICW\u3001ICM<\/a>.<\/p>\n<hr>\n<h2>\u76f8\u4e92\u95a2\u4fc2\uff1aInA\u3001Inc\u3001\u304a\u3088\u3073RDF\u306e\u9023\u643a\u65b9\u6cd5<\/h2>\n<h3>\u57fa\u672c\u7684\u306a\u691c\u8a3c\u5f0f<\/h3>\n<p>\u6e96\u62e0\u3057\u305fIEC 61439\u30a2\u30bb\u30f3\u30d6\u30ea\u306f\u3001\u4ee5\u4e0b\u3092\u6e80\u305f\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u03a3\uff08Inc \u00d7 RDF\uff09\u2264 InA<\/strong><\/p>\n<p>\u3069\u3053\u3067\u3060\uff1a<\/p>\n<ul>\n<li>\u03a3\uff08Inc \u00d7 RDF\uff09=\u3059\u3079\u3066\u306e\u51fa\u529b\u56de\u8def\u8ca0\u8377\u306e\u5408\u8a08\uff08\u540c\u6642\u52d5\u4f5c\u3092\u8003\u616e\u3057\u3066\u8abf\u6574\u6e08\u307f\uff09<\/li>\n<li>InA =\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u5b9a\u683c\u96fb\u6d41\uff08\u30d0\u30b9\u30d0\u30fc\u914d\u96fb\u5bb9\u91cf\uff09<\/li>\n<\/ul>\n<p>\u3053\u306e\u5f0f\u306f\u3001\u3059\u3079\u3066\u306e\u56de\u8def\u304c\u71b1\u7684\u306b\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u3055\u308c\u305f\u5bb9\u91cf\u3067\u9023\u7d9a\u7684\u306b\u540c\u6642\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3092\u8003\u616e\u3057\u3066\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u7dcf\u71b1\u8ca0\u8377\u304c\u3001\u30d0\u30b9\u30d0\u30fc\u30b7\u30b9\u30c6\u30e0\u304c\u904e\u71b1\u305b\u305a\u306b\u914d\u96fb\u3067\u304d\u308b\u91cf\u3092\u8d85\u3048\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/p>\n<h3>\u8a2d\u8a08\u691c\u8a3c\u30b7\u30fc\u30b1\u30f3\u30b9<\/h3>\n<ol>\n<li><strong>\u8ca0\u8377\u8981\u4ef6\u306e\u6c7a\u5b9a<\/strong>\uff1a\u3059\u3079\u3066\u306e\u56de\u8def\u306e\u5b9f\u969b\u306e\u52d5\u4f5c\u96fb\u6d41\uff08IB\uff09\u3092\u8a08\u7b97\u3057\u307e\u3059<\/li>\n<li><strong>\u56de\u8def\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306e\u9078\u629e<\/strong>\uff1aIn\u2265IB\u306eMCB\/RCBO\u3092\u9078\u629e\u3057\u307e\u3059\uff08\u6a19\u6e96\u7684\u306a\u904e\u96fb\u6d41\u4fdd\u8b77\u306e\u30b5\u30a4\u30b8\u30f3\u30b0\uff09<\/li>\n<li><strong>\u30a2\u30bb\u30f3\u30d6\u30ea\u69cb\u6210\u306e\u691c\u8a3c<\/strong>\uff1a\u88fd\u9020\u696d\u8005\u306f\u3001\u7269\u7406\u7684\u306a\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u57fa\u3065\u3044\u3066\u5404\u56de\u8def\u306eInc\u3092\u6c7a\u5b9a\u3057\u307e\u3059<\/li>\n<li><strong>RDF\u306e\u9069\u7528<\/strong>\uff1a\u88fd\u9020\u696d\u8005\u306f\u3001\u6e29\u5ea6\u4e0a\u6607\u306e\u691c\u8a3c\u306b\u57fa\u3065\u3044\u3066RDF\u3092\u5272\u308a\u5f53\u3066\u307e\u3059<\/li>\n<li><strong>\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306e\u78ba\u8a8d<\/strong>\uff1a\u5404\u56de\u8def\u306b\u3064\u3044\u3066\u3001IB\u2264\uff08Inc \u00d7 RDF\uff09\u3092\u691c\u8a3c\u3057\u307e\u3059<\/li>\n<li><strong>InA\u5bb9\u91cf\u306e\u691c\u8a3c<\/strong>\uff1a\u03a3\uff08Inc \u00d7 RDF\uff09\u2264 InA\u3092\u78ba\u8a8d\u3057\u307e\u3059<\/li>\n<\/ol>\n<p><strong>\u30b9\u30c6\u30c3\u30d75\u307e\u305f\u306f6\u304c\u5931\u6557\u3057\u305f\u5834\u5408<\/strong>, \u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u30d1\u30cd\u30eb\u306e\u30b5\u30a4\u30ba\/\u63db\u6c17\u3092\u5927\u304d\u304f\u3057\u3066\u3001RDF\u3092\u6539\u5584\u3057\u307e\u3059<\/li>\n<li>\u56de\u8def\u8ca0\u8377\uff08IB\uff09\u3092\u524a\u6e1b\u3057\u307e\u3059<\/li>\n<li>\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u518d\u69cb\u6210\u3057\u3066\u3001Inc\u3092\u5897\u3084\u3057\u307e\u3059<\/li>\n<li>\u30d0\u30b9\u30d0\u30fc\u3092\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3057\u3066\u3001InA\u3092\u5897\u3084\u3057\u307e\u3059<\/li>\n<\/ul>\n<h3>\u30b1\u30fc\u30b9\u30b9\u30bf\u30c7\u30a3\uff1a\u6df7\u5408\u8ca0\u8377\u65bd\u8a2d\u306e\u914d\u96fb\u76e4<\/h3>\n<p><strong>\u30b7\u30ca\u30ea\u30aa<\/strong>\uff1a\u30aa\u30d5\u30a3\u30b9\u30a8\u30ea\u30a2\u3001\u751f\u7523\u30d5\u30ed\u30a2\u3001\u304a\u3088\u3073\u5c4b\u4e0a\u592a\u967d\u5149\u767a\u96fb\u3092\u5099\u3048\u305f\u7523\u696d\u65bd\u8a2d\u3002\u5358\u4e00\u306e\u4e3b\u914d\u96fb\u76e4\u3002.<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse; text-align: left;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u30b5\u30fc\u30ad\u30c3\u30c8<\/th>\n<th>\u8ca0\u8377\u30bf\u30a4\u30d7<\/th>\n<th>IB\uff08A\uff09<\/th>\n<th>\u30c7\u30d0\u30a4\u30b9In\uff08A\uff09<\/th>\n<th>Inc\uff08A\uff09<\/th>\n<th>RDF<\/th>\n<th>Inc\u00d7RDF\uff08A\uff09<\/th>\n<th>\u6e96\u62e0\uff1f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5165\u529b\u56de\u8def<\/td>\n<td>\u96fb\u529b\u4f9b\u7d66<\/td>\n<td>&#8211;<\/td>\n<td>250A MCCB<\/td>\n<td>250A<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>C1<\/td>\n<td>\u30aa\u30d5\u30a3\u30b9HVAC<\/td>\n<td>32<\/td>\n<td>40A MCB<\/td>\n<td>40A<\/td>\n<td>0.8<\/td>\n<td>32A<\/td>\n<td>\u2713\uff0832A\u226432A\uff09<\/td>\n<\/tr>\n<tr>\n<td>C2<\/td>\n<td>\u30aa\u30d5\u30a3\u30b9\u7167\u660e<\/td>\n<td>18<\/td>\n<td>25A MCB<\/td>\n<td>25A<\/td>\n<td>0.8<\/td>\n<td>20A<\/td>\n<td>\u2713\uff0818A\u226420A\uff09<\/td>\n<\/tr>\n<tr>\n<td>C3<\/td>\n<td>\u30aa\u30d5\u30a3\u30b9\u306e\u30b3\u30f3\u30bb\u30f3\u30c8<\/td>\n<td>22<\/td>\n<td>32A MCB<\/td>\n<td>32A<\/td>\n<td>0.8<\/td>\n<td>25.6A<\/td>\n<td>\u2713\uff0822A\u226425.6A\uff09<\/td>\n<\/tr>\n<tr>\n<td>C4<\/td>\n<td>\u751f\u7523\u30e9\u30a4\u30f31<\/td>\n<td>48<\/td>\n<td>63A MCB<\/td>\n<td>55A*<\/td>\n<td>0.8<\/td>\n<td>44A<\/td>\n<td>\u274c\uff0848A&gt;44A\uff09<\/td>\n<\/tr>\n<tr>\n<td>C5<\/td>\n<td>\u751f\u7523\u30e9\u30a4\u30f32<\/td>\n<td>45<\/td>\n<td>63A MCB<\/td>\n<td>55A*<\/td>\n<td>0.8<\/td>\n<td>44A<\/td>\n<td>\u2713\uff0845A\u226444A\uff09<\/td>\n<\/tr>\n<tr>\n<td>C6<\/td>\n<td>\u6eb6\u63a5\u8a2d\u5099<\/td>\n<td>38<\/td>\n<td>50A MCB<\/td>\n<td>50A<\/td>\n<td>0.8<\/td>\n<td>40A<\/td>\n<td>\u2713\uff0838A\u226440A\uff09<\/td>\n<\/tr>\n<tr>\n<td>C7<\/td>\n<td>\u30b3\u30f3\u30d7\u30ec\u30c3\u30b5\u30fc<\/td>\n<td>52<\/td>\n<td>63A MCB<\/td>\n<td>60A<\/td>\n<td>0.8<\/td>\n<td>48A<\/td>\n<td>\u274c (52A &gt; 48A)<\/td>\n<\/tr>\n<tr>\n<td>C8<\/td>\n<td><strong>\u592a\u967d\u5149\u767a\u96fb\u30d0\u30c3\u30af\u30d5\u30a3\u30fc\u30c9<\/strong><\/td>\n<td>20<\/td>\n<td>25A MCB<\/td>\n<td>25A<\/td>\n<td><strong>1.0<\/strong><\/td>\n<td>25A<\/td>\n<td>\u2713 (20A \u2264 25A)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size: 0.9em; color: #555;\">*\u9ad8\u5bc6\u5ea6\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306e\u53d6\u308a\u4ed8\u3051\u4f4d\u7f6e\u306b\u3088\u308aInc\u304c\u6e1b\u5c11<\/p>\n<p><strong>\u5206\u6790<\/strong>:<\/p>\n<ul>\n<li><strong>InA \u5ba3\u8a00\u6e08\u307f<\/strong>: 250A (\u3053\u306e\u69cb\u6210\u3067\u306e\u30d0\u30b9\u30d0\u30fc\u914d\u96fb\u306b\u3088\u308b\u5236\u9650)<\/li>\n<li><strong>\u03a3(Inc \u00d7 RDF)<\/strong>: 32 + 20 + 25.6 + 44 + 44 + 40 + 48 + 25 = 278.6A \u2192 <strong>InA\u3092\u8d85\u904e\uff01<\/strong><\/li>\n<\/ul>\n<p><strong>\u554f\u984c\u70b9<\/strong>:<\/p>\n<ol>\n<li>\u56de\u8defC4\u306f\u71b1\u5236\u9650\u3092\u8d85\u904e (48A\u306e\u8ca0\u8377 &gt; \u8a31\u5bb944A)<\/li>\n<li>\u56de\u8defC7\u306f\u71b1\u5236\u9650\u3092\u8d85\u904e (52A\u306e\u8ca0\u8377 &gt; \u8a31\u5bb948A)<\/li>\n<li>\u5408\u8a08\u71b1\u8ca0\u8377 (278.6A) \u304c\u30a2\u30bb\u30f3\u30d6\u30ea\u5bb9\u91cf (250A InA) \u3092\u8d85\u904e<\/li>\n<\/ol>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/VIOX-Electric-MDB-400-Rating-Nameplate-InA-250A.webp\" alt=\"Photorealistic image of switchgear nameplate showing InA rating\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 5px;\">\u56f34\uff1aInA\u3001Inc\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3001\u304a\u3088\u3073RDF 0.8\u3092\u8868\u793a\u3059\u308bVIOX\u6e96\u62e0\u306e\u30b9\u30a4\u30c3\u30c1\u30ae\u30a2\u9298\u677f\u306e\u30af\u30ed\u30fc\u30ba\u30a2\u30c3\u30d7\u3002.<\/figcaption><\/figure>\n<p><strong>\u6db2<\/strong>:<\/p>\n<ol>\n<li><strong>C4\u3068C7\u306e\u518d\u69cb\u6210<\/strong>: \u3053\u308c\u3089\u306e\u9ad8\u8ca0\u8377\u56de\u8def\u3092\u63db\u6c17\u306e\u826f\u3044\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u79fb\u52d5\u3057\u3001\u305d\u308c\u305e\u308c\u306eInc\u309263A\u306865A\u306b\u5897\u52a0 \u2192 Inc\u00d7RDF\u306f50.4A\u306852A\u306b\u306a\u308a\u307e\u3059 \u2713<\/li>\n<li><strong>InA\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9<\/strong>: \u3088\u308a\u5927\u304d\u306a\u30d0\u30b9\u30d0\u30fc\u3092\u53d6\u308a\u4ed8\u3051\u308b\u304b\u3001\u51b7\u5374\u3092\u6539\u5584\u3057\u3066InA = 300A\u3092\u9054\u6210 (\u65b0\u3057\u3044\u71b1\u8a08\u7b97\u304c\u5fc5\u8981)<\/li>\n<li><strong>\u914d\u96fb\u306e\u5206\u5272<\/strong>: \u751f\u7523\u8ca0\u8377\u306b\u30b5\u30d6\u914d\u96fb\u76e4\u3092\u4f7f\u7528\u3057\u3001\u30e1\u30a4\u30f3\u30dc\u30fc\u30c9\u306e\u8ca0\u8377\u3092\u8efd\u6e1b<\/li>\n<li><strong>\u592a\u967d\u5149\u767a\u96fb\u8981\u4ef6\u306e\u78ba\u8a8d<\/strong>: C8\u306fRDF = 1.0\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044 (\u71b1\u7684\u306b\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u3067\u304d\u307e\u305b\u3093)\u3002\u3053\u308c\u306f\u3001\u592a\u967d\u5149\u304c\u65e5\u4e2d\u7d99\u7d9a\u7684\u306b\u767a\u96fb\u3059\u308b\u305f\u3081\u3067\u3059\u3002BS 7671 Regulation 551.7.2\u304a\u3088\u3073\u5f53\u793e\u306e <a href=\"https:\/\/test.viox.com\/ja\/how-does-the-installation-of-microgeneration-affect-the-rated-current-of-a-consumer-unit\/\">\u30de\u30a4\u30af\u30ed\u767a\u96fb\u8a2d\u7f6e\u30ac\u30a4\u30c9<\/a> \u306e\u8981\u4ef6\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ol>\n<h3>\u5c06\u6765\u306e\u62e1\u5f35\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805<\/h3>\n<p><strong>\u8b66\u544a<\/strong>: \u73fe\u5728InA\u306e90%\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u30dc\u30fc\u30c9\u306b\u306f\u3001\u62e1\u5f35\u306e\u305f\u3081\u306e\u71b1\u7684\u4f59\u88d5\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u65b0\u3057\u3044\u8a2d\u5099\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\uff1a<\/p>\n<ul>\n<li>10\u5e74\u9593\u306e\u62e1\u5f35\u80fd\u529b\u306e\u305f\u3081\u306b\u3001\u521d\u671f\u8ca0\u8377\u306e125\u301c150%\u3067InA\u3092\u6307\u5b9a<\/li>\n<li>\u30e1\u30fc\u30ab\u30fc\u306b\u4e88\u5099\u56de\u8def\u5bb9\u91cf\u3092\u6587\u66f8\u5316\u3059\u308b\u3088\u3046\u306b\u8981\u6c42\u3059\u308b (RDF\u304c\u4f4e\u4e0b\u3059\u308b\u524d\u306b\u8ffd\u52a0\u3067\u304d\u308b\u56de\u8def\u6570)<\/li>\n<li>\u91cd\u8981\u306a\u65bd\u8a2d\u306e\u5834\u5408\u306f\u3001\u6e29\u5ea6\u30de\u30fc\u30b8\u30f3\u3092\u793a\u3059\u71b1\u30e2\u30c7\u30ea\u30f3\u30b0\u30ec\u30dd\u30fc\u30c8\u3092\u8981\u6c42\u3059\u308b<\/li>\n<\/ul>\n<p><strong>VIOX\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong>: \u5f53\u793e\u306f\u3001\u5b9f\u969b\u306e\u63a5\u7d9a\u8ca0\u8377\u306b30%\u306e\u30de\u30fc\u30b8\u30f3\u3092\u52a0\u3048\u305fInA\u5b9a\u683c\u3067\u30b9\u30a4\u30c3\u30c1\u30ae\u30a2\u3092\u8a2d\u8a08\u3057\u3001\u6700\u60aa\u306e\u5834\u5408\u306e\u540c\u6642\u8ca0\u8377\u306b\u5bfe\u3059\u308bRDF\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u71b1\u8a08\u7b97\u3068\u30c6\u30b9\u30c8\u30ec\u30dd\u30fc\u30c8\u306f\u3001\u7d0d\u54c1\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3068\u3068\u3082\u306b\u63d0\u4f9b\u3055\u308c\u3001\u8a2d\u7f6e\u8005\u304c\u5c06\u6765\u306e\u5909\u66f4\u306b\u5fc5\u8981\u306a\u5b8c\u5168\u306a\u60c5\u5831\u3092\u78ba\u5b9f\u306b\u5f97\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/p>\n<hr>\n<h2>IEC 61439\u30b9\u30a4\u30c3\u30c1\u30ae\u30a2\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306e\u5b9f\u7528\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ac\u30a4\u30c9<\/h2>\n<h3>\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u4ed5\u69d8\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h3>\n<p><strong>\u30d5\u30a7\u30fc\u30ba1\uff1a\u8ca0\u8377\u5206\u6790<\/strong><\/p>\n<ul>\n<li>\u5b9f\u969b\u306e\u8ca0\u8377\u30c7\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u3066\u3001\u5404\u56de\u8def\u306e\u8a2d\u8a08\u96fb\u6d41 (IB) \u3092\u8a08\u7b97<\/li>\n<li>\u9023\u7d9a\u8ca0\u8377 (30\u5206\u4ee5\u4e0a\u52d5\u4f5c) \u3068\u77ed\u6642\u9593\u8ca0\u8377\u3092\u8b58\u5225<\/li>\n<li>\u8a2d\u7f6e\u5834\u6240\u3067\u306e\u5468\u56f2\u6e29\u5ea6\u3092\u8a55\u4fa1 (\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u4e0d\u53ef\u6b20)<\/li>\n<li>\u63db\u6c17\u6761\u4ef6\u3092\u8a55\u4fa1 (\u81ea\u7136\u3001\u5f37\u5236\u3001\u5236\u9650)<\/li>\n<li>\u5c06\u6765\u306e\u62e1\u5f35\u8981\u4ef6\u3092\u6587\u66f8\u5316<\/li>\n<\/ul>\n<p><strong>\u30d5\u30a7\u30fc\u30ba2\uff1a\u521d\u671f\u6a5f\u5668\u306e\u9078\u629e<\/strong><\/p>\n<ul>\n<li>In \u2265 IB\u306e\u904e\u96fb\u6d41\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u3092\u9078\u629e<\/li>\n<li>\u30a2\u30bb\u30f3\u30d6\u30ea\u30bf\u30a4\u30d7\u3092\u9078\u629e\uff1a\u7523\u696d\u7528\u306b\u306fPSC (IEC 61439-2)\u3001\u4e00\u822c\u306e\u4eba\u306b\u3088\u308b\u64cd\u4f5c\u306b\u306fDBO (IEC 61439-3)<\/li>\n<li>\u5fc5\u8981\u306aInA\u3092\u4ee5\u4e0b\u306b\u57fa\u3065\u3044\u3066\u6307\u5b9a\uff1amax(\u6d41\u5165\u56de\u8def\u306e\u5408\u8a08\u3001\u03a3(\u591a\u69d8\u6027\u306e\u3042\u308bIB))<\/li>\n<li>\u8003\u616e\u3059\u308b <a href=\"https:\/\/test.viox.com\/ja\/switchboard-vs-switchgear\/\">\u30b9\u30a4\u30c3\u30c1\u30dc\u30fc\u30c9 vs. \u30b9\u30a4\u30c3\u30c1\u30ae\u30a2<\/a> \u533a\u5225<\/li>\n<\/ul>\n<p><strong>\u30d5\u30a7\u30fc\u30ba3\uff1a\u691c\u8a3c\u8981\u4ef6<\/strong><\/p>\n<ul>\n<li>\u30e1\u30fc\u30ab\u30fc\u306b\u5404\u56de\u8def\u306eInc\u5b9a\u683c\u3092\u63d0\u4f9b\u3059\u308b\u3088\u3046\u306b\u8981\u6c42 <strong>\u63d0\u6848\u3055\u308c\u305f\u69cb\u6210\u3067<\/strong><\/li>\n<li>\u30a2\u30bb\u30f3\u30d6\u30ea\u307e\u305f\u306f\u56de\u8def\u30b0\u30eb\u30fc\u30d7\u306b\u5bfe\u3057\u3066\u5ba3\u8a00\u3055\u308c\u305fRDF\u5024\u3092\u8981\u6c42<\/li>\n<li>\u691c\u8a3c\uff1a\u3059\u3079\u3066\u306e\u9023\u7d9a\u904b\u8ee2\u56de\u8def\u3067IB \u2264 (Inc \u00d7 RDF)<\/li>\n<li>\u691c\u8a3c\uff1a\u5b8c\u5168\u306a\u30a2\u30bb\u30f3\u30d6\u30ea\u3067\u03a3(Inc \u00d7 RDF) \u2264 InA<\/li>\n<li>\u6e29\u5ea6\u4e0a\u6607\u8a66\u9a13\u30ec\u30dd\u30fc\u30c8\u307e\u305f\u306f\u8a08\u7b97\u3092\u8981\u6c42 (IEC 61439-1\u3001\u6761\u980510.10)<\/li>\n<\/ul>\n<p><strong>\u30d5\u30a7\u30fc\u30ba4\uff1a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30ec\u30d3\u30e5\u30fc<\/strong><\/p>\n<ul>\n<li>\u9298\u677f\u306e\u30de\u30fc\u30ad\u30f3\u30b0\u306bInA\u3001Inc\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3001\u304a\u3088\u3073RDF\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d<\/li>\n<li>\u8a2d\u8a08\u691c\u8a3c\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 (\u30c6\u30b9\u30c8\u30ec\u30dd\u30fc\u30c8\u3001\u8a08\u7b97\u3001\u307e\u305f\u306f\u5b9f\u7e3e\u306e\u3042\u308b\u8a2d\u8a08\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9) \u3092\u78ba\u8a8d<\/li>\n<li>IEC 61439\u30b7\u30ea\u30fc\u30ba\u306e\u8a72\u5f53\u3059\u308b\u90e8\u5206 (\u30d1\u30fc\u30c81\u30012\u3001\u307e\u305f\u306f3) \u3078\u306e\u6e96\u62e0\u3092\u78ba\u8a8d<\/li>\n<li>\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u9ad8\u5ea6\/\u6e29\u5ea6\u88dc\u6b63\u4fc2\u6570\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d (\u4ee5\u4e0b\u3092\u53c2\u7167) <a href=\"https:\/\/test.viox.com\/ja\/electrical-derating-temperature-altitude-grouping-factors\/\">\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30ac\u30a4\u30c9<\/a>)<\/li>\n<\/ul>\n<h3>\u30e1\u30fc\u30ab\u30fc\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3092\u6b63\u3057\u304f\u8aad\u3080<\/h3>\n<p><strong>\u63a2\u3059\u3079\u304d\u3082\u306e\uff1a<\/strong><\/p>\n<ol>\n<li><strong>InA\u5ba3\u8a00<\/strong>: \u660e\u78ba\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u7d30\u304b\u3044\u6587\u5b57\u3067\u57cb\u3082\u308c\u3066\u3044\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u30a2\u30bb\u30f3\u30d6\u30eaInA\u306a\u3057\u3067\u300c\u30d0\u30b9\u30d0\u30fc\u5b9a\u683c\u300d\u306e\u307f\u3092\u793a\u3059\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li><strong>Inc\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb<\/strong>: \u30d7\u30ed\u306e\u30e1\u30fc\u30ab\u30fc\u306f\u3001\u56de\u8def\u3054\u3068\u306eInc\u30c6\u30fc\u30d6\u30eb\u3092\u63d0\u4f9b\u3057\u3001\u5358\u306a\u308b\u4e00\u822c\u7684\u306a\u30c7\u30d0\u30a4\u30b9\u5b9a\u683c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u300c10\u00d7 63A MCB\u300d\u3068\u3060\u3051\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u305d\u308c\u3089\u306e\u7279\u5b9a\u306e\u5834\u6240\u306e\u5b9f\u969b\u306eInc\u5024\u3092\u8981\u6c42\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li><strong>RDF\u5024\u3068\u9069\u7528\u6027<\/strong>\uff1aRDF\u3092\u660e\u8a18\u3057\u3001\u305d\u308c\u304c\u3059\u3079\u3066\u306e\u56de\u8def\u3001\u7279\u5b9a\u306e\u30b0\u30eb\u30fc\u30d7\u3001\u307e\u305f\u306f\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u9069\u7528\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u3092\u660e\u78ba\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u300c\u6a19\u6e96\u7684\u306a\u8ca0\u8377\u306e\u5834\u5408\u3001RDF = 0.8\u300d\u306e\u3088\u3046\u306a\u8a18\u8ff0\u306f\u66d6\u6627\u3067\u3042\u308a\u3001\u5177\u4f53\u7684\u306a\u60c5\u5831\u3092\u8981\u6c42\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li><strong>\u6e29\u5ea6\u4e0a\u6607\u691c\u8a3c<\/strong>\uff1a\u30c6\u30b9\u30c8\u30ec\u30dd\u30fc\u30c8\u756a\u53f7\u307e\u305f\u306f\u8a08\u7b97\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u53c2\u7167\u3092\u8981\u6c42\u3057\u3066\u304f\u3060\u3055\u3044\u3002IEC 61439-1\u306b\u5f93\u3044\u3001\u3053\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u5b58\u5728\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<li><strong>\u5468\u56f2\u6e29\u5ea6\u5b9a\u683c<\/strong>\uff1a\u6a19\u6e96\u306f35\u2103\u3067\u3059\u3002\u73fe\u5834\u304c\u3053\u308c\u3092\u8d85\u3048\u308b\u5834\u5408\u306f\u3001\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u5fc5\u8981\u3067\u3059\u300240\u2103\u307e\u305f\u306f45\u2103\u5b9a\u683c\u306e\u30a2\u30bb\u30f3\u30d6\u30ea\u3092\u8981\u6c42\u3057\u3066\u304f\u3060\u3055\u3044\uff08InA\/Inc\u304c\u7d0410\u301c15\uff05\u6e1b\u5c11\u3057\u307e\u3059\uff09\u3002.<\/li>\n<\/ol>\n<h3>\u4ed5\u69d8\u66f8\u306e\u6ce8\u610f\u70b9<\/h3>\n<p>\ud83d\udea9 <strong>\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306bInA = \u4e3b\u906e\u65ad\u5668In\u3068\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u5834\u5408<\/strong>\uff1a\u30a2\u30bb\u30f3\u30d6\u30ea\u304c\u9069\u5207\u306b\u691c\u8a3c\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u793a\u5506\u3057\u3066\u3044\u307e\u3059\u3002InA\u306f\u3001\u5358\u306b\u4e3b\u906e\u65ad\u5668\u306e\u5b9a\u683c\u3092\u30b3\u30d4\u30fc\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u71b1\u89e3\u6790\u306b\u3088\u3063\u3066\u6c7a\u5b9a\u3055\u308c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\ud83d\udea9 <strong>RDF\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u306a\u3044\u3001\u307e\u305f\u306f\u6b63\u5f53\u306a\u7406\u7531\u306a\u304f\u300cRDF = 1.0\u300d\u3068\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u5834\u5408<\/strong>\uff1a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u4e0d\u5b8c\u5168\u3067\u3042\u308b\u304b\u3001\u88fd\u9020\u696d\u8005\u304c\u691c\u8a3c\u3092\u5b9f\u65bd\u3057\u3066\u3044\u306a\u3044\u304b\u306e\u3044\u305a\u308c\u304b\u3067\u3059\u3002\u30c6\u30b9\u30c8\u30ec\u30dd\u30fc\u30c8\u3092\u8981\u6c42\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p>\ud83d\udea9 <strong>\u30a2\u30bb\u30f3\u30d6\u30ea\u69cb\u6210\u3078\u306e\u53c2\u7167\u304c\u306a\u3044\u4e00\u822c\u7684\u306aInc\u5024<\/strong>\uff1aInc\u306f\u7269\u7406\u7684\u306a\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u300c63A MCB = Inc 63A\u300d\u3068\u3044\u3046\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u304c\u3001\u3059\u3079\u3066\u306e\u30d1\u30cd\u30eb\u30b5\u30a4\u30ba\u306e\u3059\u3079\u3066\u306e\u4f4d\u7f6e\u306b\u9069\u7528\u3055\u308c\u308b\u5834\u5408\u3001\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u3044\u307e\u305b\u3093\u3002.<\/p>\n<p>\ud83d\udea9 <strong>\u201c\u300cIEC 60439\u306b\u57fa\u3065\u304f\u300d\u307e\u305f\u306f\u300c\u5f93\u6765\u306e\u898f\u683c\u306b\u9069\u5408\u300d\u201d<\/strong>\uff1aIEC 60439\u306f\u5ec3\u6b62\u3055\u308c\u307e\u3057\u305f\u3002\u6a5f\u5668\u306fIEC 61439\u30b7\u30ea\u30fc\u30ba\u306b\u6e96\u62e0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff08\u79fb\u884c\u671f\u9593\u306f2014\u5e74\u306b\u7d42\u4e86\u3057\u307e\u3057\u305f\uff09\u3002.<\/p>\n<p>\ud83d\udea9 <strong>\u6e29\u5ea6\u4e0a\u6607\u306b\u95a2\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u306a\u3044\u5834\u5408<\/strong>\uff1a\u7b2c10.10\u9805\u306b\u5f93\u3044\u3001\u691c\u8a3c\u306f\u5fc5\u9808\u3067\u3059\u3002\u88fd\u9020\u696d\u8005\u304c\u3053\u308c\u3092\u63d0\u4f9b\u3067\u304d\u306a\u3044\u5834\u5408\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u306f\u6e96\u62e0\u3057\u3066\u3044\u307e\u305b\u3093\u3002.<\/p>\n<h3>\u71b1\u8a08\u7b97\u3092\u8981\u6c42\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0<\/h3>\n<p>\u6b21\u306e\u5834\u5408\u306b\u306f\u3001\u5e38\u306b\u71b1\u8a08\u7b97\u3092\u8981\u6c42\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li>\u30ab\u30b9\u30bf\u30e0\u30d1\u30cd\u30eb\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u88fd\u9020\u696d\u8005\u306e\u6a19\u6e96\u8a2d\u8a08\u304b\u3089\u9038\u8131\u3057\u3066\u3044\u308b\u5834\u5408<\/li>\n<li>\u5468\u56f2\u6e29\u5ea6\u304c35\u2103\u3092\u8d85\u3048\u308b\u5834\u5408<\/li>\n<li>\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u306e\u63db\u6c17\u304c\u5236\u9650\u3055\u308c\u3066\u3044\u308b\u5834\u5408\uff08IP54\u4ee5\u4e0a\u3001\u5bc6\u9589\u74b0\u5883\uff09<\/li>\n<li>\u56de\u8def\u8ca0\u8377\u5bc6\u5ea6\u304c\u9ad8\u3044\u5834\u5408\uff08\u5229\u7528\u53ef\u80fd\u306a\u30b9\u30da\u30fc\u30b9\u306e60\uff05\u4ee5\u4e0a\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u5834\u5408\uff09<\/li>\n<li>\u9023\u7d9a\u904b\u8ee2\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff08\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3001\u30d7\u30ed\u30bb\u30b9\u7523\u696d\u3001\u592a\u967d\u5149\u767a\u96fb\uff09<\/li>\n<li>\u6a19\u9ad8\u304c1,000m\u3092\u8d85\u3048\u308b\u5834\u5408\uff08\u51b7\u5374\u52b9\u7387\u306e\u4f4e\u4e0b\uff09<\/li>\n<\/ul>\n<h3>IEC 61439\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u8981\u4ef6<\/h3>\n<p>\u6e96\u62e0\u30a2\u30bb\u30f3\u30d6\u30ea\u306b\u306f\u3001\u4ee5\u4e0b\u3092\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>\u9298\u677f<\/strong> \uff08IEC 61439-1\u3001\u7b2c11.1\u9805\uff09\uff1a\n<ul>\n<li>\u88fd\u9020\u696d\u8005\u540d\/\u5546\u6a19<\/li>\n<li>\u30bf\u30a4\u30d7\u6307\u5b9a\u307e\u305f\u306f\u8b58\u5225<\/li>\n<li>IEC 61439-X\u6e96\u62e0\uff08\u95a2\u9023\u90e8\u5206\uff09<\/li>\n<li>InA\uff08\u30a2\u30bb\u30f3\u30d6\u30ea\u5b9a\u683c\u96fb\u6d41\uff09<\/li>\n<li>\u5b9a\u683c\u96fb\u5727\uff08Ue\uff09<\/li>\n<li>\u5b9a\u683c\u5468\u6ce2\u6570<\/li>\n<li>\u4fdd\u8b77\u7b49\u7d1a\uff08IP\u5b9a\u683c\uff09<\/li>\n<li>\u6761\u4ef6\u4ed8\u304d\u77ed\u7d61\u96fb\u6d41\uff08\u8a72\u5f53\u3059\u308b\u5834\u5408\uff09<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6280\u8853\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/strong> \uff08IEC 61439-1\u3001\u7b2c11.2\u9805\uff09\uff1a\n<ul>\n<li>\u5358\u7dda\u7d50\u7dda\u56f3<\/li>\n<li>Inc\u5b9a\u683c\u3092\u542b\u3080\u56de\u8def\u8b58\u5225\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb<\/li>\n<li>RDF\u5ba3\u8a00<\/li>\n<li>\u6e29\u5ea6\u4e0a\u6607\u691c\u8a3c\u30ec\u30dd\u30fc\u30c8\u307e\u305f\u306f\u53c2\u7167<\/li>\n<li>\u77ed\u7d61\u691c\u8a3c<\/li>\n<li>\u4fdd\u5b88\u304a\u3088\u3073\u64cd\u4f5c\u624b\u9806<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u691c\u8a3c\u8a18\u9332<\/strong>\uff1a\u8a66\u9a13\u3001\u8a08\u7b97\u3001\u307e\u305f\u306f\u5b9f\u7e3e\u306e\u3042\u308b\u8a2d\u8a08\u306b\u3088\u308b\u8a2d\u8a08\u691c\u8a3c\u306e\u5834\u5408\u3001\u6b63\u5f0f\u306a\u8a18\u9332\u3092\u4fdd\u6301\u3057\u3001\u691c\u67fb\u306e\u305f\u3081\u306b\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<\/ol>\n<h3>\u4e00\u822c\u7684\u306a\u4ed5\u69d8\u306e\u8aa4\u308a\u3068\u4fee\u6b63<\/h3>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse; text-align: left;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u30a8\u30e9\u30fc<\/th>\n<th>\u7d50\u679c<\/th>\n<th>\u6b63\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>InA\u3001Inc\u3001\u307e\u305f\u306fRDF\u3092\u660e\u8a18\u305b\u305a\u306b\u300c400A\u30d1\u30cd\u30eb\u300d\u3068\u6307\u5b9a\u3059\u308b\u5834\u5408<\/td>\n<td>\u88fd\u9020\u696d\u8005\u306f\u6700\u3082\u5b89\u4fa1\u306a\u6e96\u62e0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002InA = 320A\u3001RDF = 0.7\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/td>\n<td>\u6307\u5b9a\uff1a\u300cInA \u2265 400A\u3001\u3059\u3079\u3066\u306e\u51fa\u529b\u56de\u8def\u3067RDF \u2265 0.8\u3001\u8ca0\u8377\u30ea\u30b9\u30c8\u3054\u3068\u306eInc\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u300d\u201c<\/td>\n<\/tr>\n<tr>\n<td>\u8ca0\u8377\u8a08\u7b97\u306b\u30c7\u30d0\u30a4\u30b9\u5b9a\u683c\uff08In\uff09\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408<\/td>\n<td>\u904e\u8ca0\u8377\u2014\u5b9f\u969b\u306eInc\u304c\u4f4e\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/td>\n<td>Inc\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3092\u8981\u6c42\u3057\u3001IB \u2264 (Inc \u00d7 RDF) \u3092\u691c\u8a3c\u3057\u307e\u3059<\/td>\n<\/tr>\n<tr>\n<td>\u5468\u56f2\u6761\u4ef6\u3092\u7121\u8996\u3059\u308b\u5834\u5408<\/td>\n<td>\u590f\u671f\u307e\u305f\u306f\u9ad8\u6e29\u74b0\u5883\u3067\u306e\u73fe\u5834\u3067\u306e\u904e\u71b1<\/td>\n<td>\u5468\u56f2\u6e29\u5ea6\u3092\u6307\u5b9a\u3057\u3001\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30d5\u30a1\u30af\u30bf\u30fc\u3092\u8981\u6c42\u3057\u307e\u3059<\/td>\n<\/tr>\n<tr>\n<td>\u7d0d\u54c1\u5f8c\u306b\u56de\u8def\u3092\u8ffd\u52a0\u3057\u3001\u518d\u691c\u8a3c\u3092\u884c\u308f\u306a\u3044\u5834\u5408<\/td>\n<td>\u71b1\u904e\u8ca0\u8377\u3001\u4fdd\u8a3c\u306e\u7121\u52b9<\/td>\n<td>\u5909\u66f4\u691c\u8a3c\u306e\u305f\u3081\u306b\u88fd\u9020\u696d\u8005\u306b\u4f9d\u983c\u3057\u307e\u3059<\/td>\n<\/tr>\n<tr>\n<td>\u3042\u308b\u30d1\u30cd\u30eb\u306eRDF\u3092\u5225\u306e\u30d1\u30cd\u30eb\u306b\u9069\u7528\u3059\u308b\u3068\u4eee\u5b9a\u3059\u308b\u5834\u5408<\/td>\n<td>\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u7570\u306a\u308b\u3068\u3001RDF\u5024\u3082\u7570\u306a\u308a\u307e\u3059<\/td>\n<td>\u69cb\u6210\u306b\u56fa\u6709\u306eRDF\u3092\u8981\u6c42\u3057\u307e\u3059<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>VIOX\u30c6\u30af\u30cb\u30ab\u30eb\u30b5\u30dd\u30fc\u30c8<\/strong>\uff1a\u5f53\u793e\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0\u306f\u3001\u30ab\u30b9\u30bf\u30e0\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5411\u3051\u306b\u8ca9\u58f2\u524d\u306e\u71b1\u89e3\u6790\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u8ca0\u8377\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3068\u8a2d\u7f6e\u6761\u4ef6\u3092\u63d0\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u8cfc\u5165\u3092\u6c7a\u5b9a\u3059\u308b\u524d\u306b\u3001Inc\/RDF\u691c\u8a3c\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u6a19\u6e96\u88fd\u54c1\u306e\u5834\u5408\u3001\u5305\u62ec\u7684\u306a\u30c6\u30b9\u30c8\u30ec\u30dd\u30fc\u30c8\u304c\u540c\u68b1\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/VIOX-Single-Line-Diagram-SLD-detailing-InA-vs-Inc-ratings-and-load-diversity-analysis.webp\" alt=\"Technical schematic showing Inc\/InA relationship in distribution\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 5px;\">\u56f35\uff1aInA\u5bfeInc\u5b9a\u683c\u304a\u3088\u3073\u7570\u306a\u308b\u56de\u8def\u30bf\u30a4\u30d7\u306b\u304a\u3051\u308b\u8ca0\u8377\u591a\u69d8\u6027\u5206\u6790\u3092\u8a73\u7d30\u306b\u793a\u3059\u5358\u7dda\u7d50\u7dda\u56f3\uff08SLD\uff09\u3002.<\/figcaption><\/figure>\n<hr>\n<h2>\u7d50\u8ad6\uff1a\u73fe\u5b9f\u4e16\u754c\u306e\u5bb9\u91cf\u3092\u5b9a\u7fa9\u3059\u308b3\u3064\u306e\u6570\u5024<\/h2>\n<p>20\u5e74\u9593\u4fe1\u983c\u6027\u9ad8\u304f\u52d5\u4f5c\u3059\u308b\u958b\u9589\u88c5\u7f6e\u30a2\u30bb\u30f3\u30d6\u30ea\u3068\u3001\u6570\u304b\u6708\u4ee5\u5185\u306b\u6545\u969c\u3059\u308b\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u9055\u3044\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u7406\u89e3\u306b\u304b\u304b\u3063\u3066\u3044\u307e\u3059\u3002 <strong>InA\u3001Inc\u3001\u304a\u3088\u3073RDF<\/strong>. \u3002\u3053\u308c\u30893\u3064\u306e\u76f8\u4e92\u63a5\u7d9a\u3055\u308c\u305f\u30d1\u30e9\u30e1\u30fc\u30bf\uff08IEC 61439\u3067\u7fa9\u52d9\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u4f9d\u7136\u3068\u3057\u3066\u5e83\u304f\u8aa4\u89e3\u3055\u308c\u3066\u3044\u307e\u3059\uff09\u306f\u3001\u9023\u7d9a\u904b\u8ee2\u96fb\u529b\u914d\u5206\u306e\u71b1\u7684\u73fe\u5b9f\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8<\/strong><\/p>\n<ul>\n<li><strong>InA<\/strong> \u306f\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u7dcf\u914d\u5206\u5bb9\u91cf\u3067\u3042\u308a\u3001\u7279\u5b9a\u306e\u7269\u7406\u7684\u914d\u7f6e\u306b\u304a\u3051\u308b\u6bcd\u7dda\u71b1\u6027\u80fd\u306b\u3088\u3063\u3066\u5236\u9650\u3055\u308c\u307e\u3059\uff08\u4e3b\u906e\u65ad\u5668\u306e\u5b9a\u683c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\uff09\u3002<\/li>\n<li><strong>Inc<\/strong> \u306f\u3001\u5b9f\u88c5\u4f4d\u7f6e\u3001\u96a3\u63a5\u3059\u308b\u71b1\u6e90\u3001\u304a\u3088\u3073\u71b1\u7684\u76f8\u4e92\u4f5c\u7528\u3092\u8003\u616e\u3057\u305f\u5404\u56de\u8def\u306e\u96fb\u6d41\u5b9a\u683c\u3067\u3059\uff08\u30c7\u30d0\u30a4\u30b9\u306e\u9298\u677f\u5b9a\u683c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\uff09\u3002<\/li>\n<li><strong>RDF<\/strong> \u306f\u3001\u9023\u7d9a\u540c\u6642\u8ca0\u8377\u306b\u5bfe\u3059\u308b\u71b1\u7684\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\u3067\u3059\uff08\u8a2d\u7f6e\u30b3\u30fc\u30c9\u304b\u3089\u306e\u96fb\u6c17\u7684\u591a\u69d8\u6027\u4fc2\u6570\u3067\u306f\u3042\u308a\u307e\u305b\u3093\uff09\u3002<\/li>\n<\/ul>\n<p>\u958b\u9589\u88c5\u7f6e\u3092\u6307\u5b9a\u307e\u305f\u306f\u8cfc\u5165\u3059\u308b\u969b\u306f\u3001\u88cf\u4ed8\u3051\u3068\u306a\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3068\u3068\u3082\u306b\u3001\u3053\u308c\u30893\u3064\u306e\u5024\u3092\u8981\u6c42\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u57fa\u672c\u65b9\u7a0b\u5f0f\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <strong>\u03a3(Inc \u00d7 RDF) \u2264 InA<\/strong>. \u3002\u6e29\u5ea6\u4e0a\u6607\u8a66\u9a13\u30ec\u30dd\u30fc\u30c8\u307e\u305f\u306f\u8a08\u7b97\u3092\u8981\u6c42\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u66d6\u6627\u306a\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3084\u672a\u691c\u8a3c\u306e\u4e3b\u5f35\u3092\u53d7\u3051\u5165\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p>InA\u3001Inc\u3001\u304a\u3088\u3073RDF\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u71b1\u904e\u8ca0\u8377\u306b\u3088\u308b\u73fe\u5834\u6545\u969c<\/li>\n<li>\u8ca0\u8377\u304c\u671f\u5f85\u3068\u4e00\u81f4\u3057\u306a\u3044\u5834\u5408\u306e\u30b3\u30b9\u30c8\u306e\u304b\u304b\u308b\u6539\u9020<\/li>\n<li>\u691c\u67fb\u4e2d\u306eIEC 61439\u3078\u306e\u4e0d\u9069\u5408<\/li>\n<li>\u300c\u4e0d\u9069\u5207\u306a\u5b9a\u683c\u300d\u306b\u95a2\u3059\u308b\u4fdd\u8a3c\u7d1b\u4e89\u201c<\/li>\n<li>\u4e0d\u5feb\u306a\u30c8\u30ea\u30c3\u30d7\u306b\u3088\u308b\u751f\u7523\u505c\u6b62\u6642\u9593<\/li>\n<\/ul>\n<p><strong>VIOX\u306e\u30b3\u30df\u30c3\u30c8\u30e1\u30f3\u30c8<\/strong>\uff1a\u3059\u3079\u3066\u306eVIOX\u958b\u9589\u88c5\u7f6e\u30a2\u30bb\u30f3\u30d6\u30ea\u306b\u306f\u3001\u5b8c\u5168\u306aIEC 61439\u6e96\u62e0\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\uff08InA\u9298\u677f\u30de\u30fc\u30ad\u30f3\u30b0\u3001Inc\u56de\u8def\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3001\u5ba3\u8a00\u3055\u308c\u305fRDF\u5024\u3001\u304a\u3088\u3073\u6e29\u5ea6\u4e0a\u6607\u691c\u8a3c\u8a18\u9332\uff09\u304c\u4ed8\u5c5e\u3057\u3066\u3044\u307e\u3059\u3002\u5f53\u793e\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u4ed5\u69d8\u4f5c\u6210\u4e2d\u306b\u304a\u5ba2\u69d8\u3068\u5354\u529b\u3057\u3066\u3001\u71b1\u7684\u30de\u30fc\u30b8\u30f3\u304c\u6700\u5c0f\u57fa\u6e96\u3092\u6e80\u305f\u3059\u3060\u3051\u3067\u306a\u304f\u3001\u304a\u5ba2\u69d8\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9069\u5408\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/p>\n<p>\u96fb\u529b\u30b7\u30b9\u30c6\u30e0\u304c\u3088\u308a\u9ad8\u3044\u5229\u7528\u7387\uff08\u592a\u967d\u5149\u767a\u96fb\u3001EV\u5145\u96fb\u3001\u5e38\u6642\u30aa\u30f3\u306e\u30c7\u30fc\u30bf\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\uff09\u306b\u5411\u304b\u3063\u3066\u9032\u5316\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u71b1\u7ba1\u7406\u306f\u307e\u3059\u307e\u3059\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u5c06\u6765\u306b\u306f\u3001\u30b9\u30de\u30fc\u30c8\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\uff08\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u71b1\u7684\u30de\u30fc\u30b8\u30f3\u3092\u4e88\u6e2c\u3057\u3001\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u524d\u306b\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u306b\u8b66\u544a\u3059\u308b\u30c7\u30b8\u30bf\u30eb\u30c4\u30a4\u30f3\uff09\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u57fa\u790e\u306f\u3053\u308c\u30893\u3064\u306e\u57fa\u672c\u7684\u306a\u5b9a\u683c\uff08InA\u3001Inc\u3001\u304a\u3088\u3073RDF\uff09\u306e\u307e\u307e\u3067\u3059\u3002.<\/p>\n<p>\u305d\u308c\u3089\u3092\u660e\u78ba\u306b\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5fb9\u5e95\u7684\u306b\u691c\u8a3c\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u304a\u5ba2\u69d8\u306e\u96fb\u6c17\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306f\u305d\u308c\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<hr>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f\uff08FAQ\uff09<\/h2>\n<h3>InA\u5b9a\u683c\u3092\u8d85\u3048\u305f\u5834\u5408\u3001\u3069\u3046\u306a\u308a\u307e\u3059\u304b\uff1f<\/h3>\n<p>InA\u3092\u8d85\u3048\u308b\u3068\u3001\u4e3b\u6bcd\u7dda\u304c\u6e29\u5ea6\u4e0a\u6607\u5236\u9650\uff08\u901a\u5e38\u306f\u5468\u56f2\u6e29\u5ea6\u3088\u308a70K\u9ad8\u3044\uff09\u3092\u8d85\u3048\u3066\u52d5\u4f5c\u3057\u307e\u3059\u3002\u77ed\u671f\u7684\u306b\u306f\u3001\u3053\u308c\u306b\u3088\u308a\u7d76\u7e01\u306e\u7d4c\u5e74\u52a3\u5316\u304c\u52a0\u901f\u3057\u3001\u71b1\u81a8\u5f35\u30b5\u30a4\u30af\u30eb\u306b\u3088\u308a\u30dc\u30eb\u30c8\u7de0\u3081\u3055\u308c\u305f\u63a5\u7d9a\u304c\u7de9\u307f\u3001\u63a5\u89e6\u62b5\u6297\u304c\u5897\u52a0\u3057\u307e\u3059\u3002\u9577\u671f\u7684\u306a\u7d50\u679c\u306b\u306f\u3001\u6bcd\u7dda\u306e\u9178\u5316\u3001\u7d76\u7e01\u306e\u70ad\u5316\u3001\u304a\u3088\u3073\u6700\u7d42\u7684\u306a\u30d5\u30e9\u30c3\u30b7\u30e5\u30aa\u30fc\u30d0\u30fc\u307e\u305f\u306f\u706b\u707d\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u6700\u3082\u91cd\u8981\u306a\u3053\u3068\u306f\u3001, <strong>\u904e\u96fb\u6d41\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u304c\u30c8\u30ea\u30c3\u30d7\u3057\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3067\u3059<\/strong>\u3002250A\u306e\u4e3b\u906e\u65ad\u5668\u306f\u3001260A\u306e\u9023\u7d9a\u8ca0\u8377\u3067\u306e\u71b1\u904e\u8ca0\u8377\u304b\u3089\u4fdd\u8b77\u3057\u307e\u305b\u3093\u3002\u30a2\u30bb\u30f3\u30d6\u30ea\u306f\u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002InA\u3092\u8d85\u3048\u308b\u3068\u3001\u5168\u4f53\u306e\u71b1\u7684\u30d0\u30e9\u30f3\u30b9\u304c\u640d\u306a\u308f\u308c\u307e\u3059\u3002.<\/p>\n<h3>RDF\u306e\u5834\u5408\u3001Inc\u3067\u56de\u8def\u3092\u30d5\u30eb\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b < 1.0?<\/h3>\n<p>\u3044\u3044\u3048\u3002 <strong>RDF\u306f\u3001\u9023\u7d9a\u540c\u6642\u8ca0\u8377\u3092Inc \u00d7 RDF\u306b\u5236\u9650\u3057\u307e\u3059<\/strong>. \u3002Inc = 50A\u3067RDF = 0.7\u306e\u5834\u5408\u3001\u8a31\u5bb9\u3055\u308c\u308b\u6700\u5927\u9023\u7d9a\u8ca0\u8377\u306f35A\u3067\u3059\u300250A\u3067\u52d5\u4f5c\u3059\u308b\u3068\u3001\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u30c8\u30ea\u30c3\u30d7\u3057\u3066\u3044\u306a\u304f\u3066\u3082\u3001IEC 61439\u306e\u6e29\u5ea6\u5236\u9650\u306b\u9055\u53cd\u3057\u307e\u3059\u3002\u77ed\u6642\u9593\u306e\u8ca0\u8377\uff08&lt; 30\u5206\u306e\u30aa\u30f3\u30bf\u30a4\u30e0\u3067\u3001\u9069\u5207\u306a\u30aa\u30d5\u30bf\u30a4\u30e0\u51b7\u5374\uff09\u306f\u3001\u30d5\u30ebInc\u306b\u8fd1\u3065\u304f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u9023\u7d9a\u904b\u8ee2\u306fRDF\u3092\u5c0a\u91cd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u30d5\u30ebInc\u9023\u7d9a\u8ca0\u8377\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001RDF = 1.0\u306e\u30a2\u30bb\u30f3\u30d6\u30ea\u3092\u6307\u5b9a\u3059\u308b\u304b\u3001\u305d\u306e\u7279\u5b9a\u306e\u56de\u8def\u306b\u5bfe\u3057\u3066\u3088\u308a\u9ad8\u3044Inc\u306e\u69cb\u6210\u3092\u8981\u6c42\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h3>\u7279\u5b9a\u306e\u30d1\u30cd\u30eb\u69cb\u6210\u306b\u304a\u3051\u308bRDF\uff08\u4f4e\u6e1b\u4fc2\u6570\uff09\u306f\u3001\u3069\u306e\u3088\u3046\u306b\u6c7a\u5b9a\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n<p><strong>RDF\u306f\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u88fd\u9020\u5143\u304c\u63d0\u4f9b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/strong>, \u3002\u8a2d\u7f6e\u8005\u307e\u305f\u306f\u8a2d\u8a08\u8005\u304c\u8a08\u7b97\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u3001\u4ee5\u4e0b\u3092\u901a\u3058\u3066\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>IEC 61439-1\u300110.10\u9805\u306b\u57fa\u3065\u304f\u6e29\u5ea6\u4e0a\u6607\u8a66\u9a13<\/li>\n<li>\u691c\u8a3c\u6e08\u307f\u306e\u30e2\u30c7\u30eb\u3092\u4f7f\u7528\u3057\u305f\u71b1\u8a08\u7b97\uff08\u9644\u5c5e\u66f8D\uff09<\/li>\n<li>\u6587\u66f8\u5316\u3055\u308c\u305f\u985e\u4f3c\u6027\u3092\u6301\u3064\u5b9f\u7e3e\u306e\u3042\u308b\u8a2d\u8a08\u304b\u3089\u306e\u6d3e\u751f<\/li>\n<\/ol>\n<p>\u898b\u7a4d\u3082\u308a\u3092\u8981\u6c42\u3059\u308b\u969b\u306f\u3001\u300c\u88cf\u4ed8\u3051\u3068\u306a\u308b\u8a66\u9a13\u30ec\u30dd\u30fc\u30c8\u307e\u305f\u306f\u8a08\u7b97\u53c2\u7167\u3068\u3068\u3082\u306b\u3001\u5ba3\u8a00\u3055\u308c\u305fRDF\u5024\u3092\u63d0\u4f9b\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u88fd\u9020\u5143\u304cRDF\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u63d0\u4f9b\u3067\u304d\u306a\u3044\u5834\u5408\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u306fIEC 61439\u306b\u6e96\u62e0\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u6a19\u6e96\u30ab\u30bf\u30ed\u30b0\u8a2d\u8a08\u304b\u3089\u9038\u8131\u3059\u308b\u30ab\u30b9\u30bf\u30e0\u30d1\u30cd\u30eb\u306e\u5834\u5408\u306f\u3001\u6b63\u5f0f\u306a\u71b1\u5206\u6790\u3092\u8981\u6c42\u3057\u3066\u304f\u3060\u3055\u3044\u3002VIOX\u306f\u3001100A InA\u3092\u8d85\u3048\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4ed5\u69d8\u6bb5\u968e\u3067\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<h3>RDF\u306f\u77ed\u6642\u9593\u306e\u8ca0\u8377\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u304b\uff08&lt; 30\u5206\uff09\uff1f<\/h3>\n<p>\u4e00\u822c\u7684\u306b <strong>\u3044\u3044\u3048<\/strong>. \u3002RDF\u306f\u3001\u9023\u7d9a\u8ca0\u8377\uff08\u6e29\u5ea6\u304c\u5b89\u5b9a\u3059\u308b&gt;30\u5206\uff09\u4e0b\u3067\u306e\u71b1\u5e73\u8861\u306b\u5bfe\u51e6\u3057\u307e\u3059\u3002\u30e2\u30fc\u30bf\u30fc\u306e\u59cb\u52d5\u3001\u6eb6\u63a5\u30d0\u30fc\u30b9\u30c8\u3001\u307e\u305f\u306f\u77ed\u3044\u904e\u8ca0\u8377\u306a\u3069\u306e\u77ed\u6642\u9593\u306e\u8ca0\u8377\u306f\u3001\u71b1\u8cea\u91cf\u304b\u3089\u6069\u6075\u3092\u53d7\u3051\u307e\u3059\u3002\u30a2\u30bb\u30f3\u30d6\u30ea\u306f\u5b9a\u5e38\u6e29\u5ea6\u306b\u9054\u3057\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u77ed\u6642\u9593\u306e\u8ca0\u8377\u304c\u6025\u901f\u306b\u30b5\u30a4\u30af\u30eb\u3059\u308b\u5834\u5408\uff08\u4f8b\uff1a20\u5206ON \/ 10\u5206OFF\u3092\u7e70\u308a\u8fd4\u3059\uff09\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u306f\u5b8c\u5168\u306b\u51b7\u5374\u3055\u308c\u305a\u3001RDF\u304c\u52b9\u679c\u7684\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u30c7\u30e5\u30fc\u30c6\u30a3\u30b5\u30a4\u30af\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5834\u5408\u306f\u3001\u7279\u5b9a\u306e\u8ca0\u8377\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306b\u3064\u3044\u3066\u88fd\u9020\u5143\u306b\u76f8\u8ac7\u3057\u3066\u304f\u3060\u3055\u3044\u3002IEC 61439-1\u306f\u3001\u6b63\u78ba\u306a\u30c7\u30e5\u30fc\u30c6\u30a3\u30b5\u30a4\u30af\u30eb\u30eb\u30fc\u30eb\u3092\u898f\u5b9a\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u71b1\u691c\u8a3c\u306b\u3088\u3063\u3066\u5236\u9650\u304c\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002.<\/p>\n<h3>\u96fb\u6c17\u30b3\u30fc\u30c9\uff08BS 7671\u3001NEC\uff09\u306eRDF\u3068\u591a\u69d8\u6027\u4fc2\u6570\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p><strong>\u96fb\u6c17\u7684\u591a\u69d8\u6027\u4fc2\u6570<\/strong> \uff08BS 7671\u4ed8\u9332A\u3001NEC\u7b2c220\u6761\uff09\u306f\u3001 <strong>\u5b9f\u969b\u306e\u8ca0\u8377\u4f7f\u7528\u91cf<\/strong>\u3092\u63a8\u5b9a\u3057\u307e\u3059\u3002\u300c\u3059\u3079\u3066\u306e\u56de\u8def\u304c\u540c\u6642\u306b\u52d5\u4f5c\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u300d\u7d71\u8a08\u7684\u306a\u4f7f\u7528\u30d1\u30bf\u30fc\u30f3\u306b\u57fa\u3065\u3044\u3066\u3001\u4f9b\u7d66\u30b1\u30fc\u30d6\u30eb\u3068\u5909\u5727\u5668\u306e\u30b5\u30a4\u30ba\u3092\u6c7a\u5b9a\u3059\u308b\u305f\u3081\u306b\u3001\u7dcf\u63a5\u7d9a\u8ca0\u8377\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002\u4f8b\uff1a5\u3064\u306e30A\u4f4f\u5b85\u7528\u30ad\u30c3\u30c1\u30f3\u56de\u8def\u306f\u3001\u5e73\u5747\u4f7f\u7528\u91cf\u304c40%\u3067\u3042\u308b\u3068\u4eee\u5b9a\u3057\u3066\u30010.4\u306e\u591a\u69d8\u6027\u4fc2\u6570\u3092\u6301\u3064\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>RDF\uff08\u5b9a\u683c\u591a\u69d8\u6027\u4fc2\u6570\uff09<\/strong> \u306f <strong>\u306f\u3001\u9023\u7d9a\u904b\u8ee2\u306e\u71b1\u5236\u9650\u3067\u3059<\/strong>\u3002\u300c\u3059\u3079\u3066\u306e\u56de\u8def\u304c\u540c\u6642\u306b\u52d5\u4f5c\u3059\u308b\u5834\u5408\u3067\u3082\u3001\u71b1\u306e\u84c4\u7a4d\u306b\u3088\u308a\u3001\u5404\u56de\u8def\u306fInc \u00d7 RDF\u306b\u5236\u9650\u3055\u308c\u307e\u3059\u3002\u300d\u3053\u308c\u306f\u7269\u7406\u7684\u306a\u5236\u7d04\u3067\u3042\u308a\u3001\u7d71\u8a08\u7684\u306a\u63a8\u5b9a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u96fb\u6c17\u7684\u591a\u69d8\u6027\u3092\u9069\u7528\u3057\u3066\u4f9b\u7d66\u30b5\u30a4\u30ba\u3092\u7e2e\u5c0f\u3067\u304d\u307e\u3059\u304c\u3001 <strong>RDF\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u71b1\u5236\u9650\u3092\u8d85\u3048\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093<\/strong>.<\/p>\n<p>\u3002\u6df7\u4e71\u306e\u4f8b\uff1a\u30a8\u30f3\u30b8\u30cb\u30a2\u306f0.7\u306e\u591a\u69d8\u6027\u3092\u9069\u7528\u3057\u3066\u4f9b\u7d66\u30b5\u30a4\u30ba\u3092\u7e2e\u5c0f\u3057\uff08\u6b63\u3057\u3044\uff09\u3001\u6b21\u306b\u300c\u8ca0\u8377\u304c\u3059\u3079\u3066\u4e00\u7dd2\u306b\u5b9f\u884c\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u300d\u305f\u3081\u3001\u5404\u56de\u8def\u304c100% Inc\u3067\u5b9f\u884c\u3067\u304d\u308b\u3068\u60f3\u5b9a\u3057\u307e\u3059\uff08\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093\uff09\u3002\u7d71\u8a08\u7684\u306b\u8ca0\u8377\u304c\u3059\u3079\u3066\u4e00\u7dd2\u306b\u5b9f\u884c\u3055\u308c\u306a\u304f\u3066\u3082\u3001, <strong>\u5b9f\u884c\u3055\u308c\u308b\u5834\u5408<\/strong>, \u3001\u305d\u308c\u305e\u308c\u304cInc \u00d7 RDF\u306e\u71b1\u5236\u9650\u5185\u306b\u7559\u307e\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>InA\u306f\u4e3b\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5b9a\u683c\u3088\u308a\u9ad8\u304f\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u306f\u3044\u3001 <strong>InA\u306f\u3001\u4e3b\u906e\u65ad\u5668\u306eIn\u5b9a\u683c\u3092\u8d85\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/strong>. \u3002InA\u306f\u3001\u7279\u5b9a\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u304a\u3051\u308b\u6bcd\u7dda\u306e\u71b1\u5bb9\u91cf\u306b\u3088\u3063\u3066\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u304c\u3001\u4e3b\u906e\u65ad\u5668\u306eIn\u306f\u3001\u4f9b\u7d66\u7279\u6027\u3068\u5354\u8abf\u306b\u57fa\u3065\u3044\u3066\u3001\u904e\u96fb\u6d41\/\u77ed\u7d61\u4fdd\u8b77\u306e\u305f\u3081\u306b\u9078\u629e\u3055\u308c\u307e\u3059\u3002.<\/p>\n<p>\u4f8b\uff1a\u958b\u9589\u76e4\u306eInA = 800A\uff08\u6bcd\u7dda\u71b1\u8a66\u9a13\u3067\u691c\u8a3c\u6e08\u307f\uff09\u3067\u3059\u3002\u4f9b\u7d66\u5909\u5727\u5668\u306e\u6545\u969c\u30ec\u30d9\u30eb\u3068\u5354\u8abf\u8981\u4ef6\u306b\u3088\u308a\u3001630A\u306e\u4e3b\u906e\u65ad\u5668\uff08In = 630A\uff09\u304c\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002\u30a2\u30bb\u30f3\u30d6\u30ea\u306f\u71b1\u7684\u306b800A\u3092\u914d\u5206\u3067\u304d\u307e\u3059\u304c\u3001\u904e\u96fb\u6d41\u4fdd\u8b77\u306b\u3088\u308a\u4f9b\u7d66\u306f630A\u306b\u5236\u9650\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u6e96\u62e0\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p>\u9006\u306b\u3001InA\u306f <strong>\u4f4e\u304f<\/strong> \u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4e3b\u906e\u65ad\u5668\u306e\u5b9a\u683c\u3088\u308a\u3082\u4f4e\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u73fe\u5834\u3067\u6df7\u4e71\u3092\u5f15\u304d\u8d77\u3053\u3059\u3088\u308a\u4e00\u822c\u7684\u306a\u30b7\u30ca\u30ea\u30aa\u3067\u3059\u3002400A\u306e\u4e3b\u906e\u65ad\u5668\u306f\u3001\u6bcd\u7dda\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u914d\u5206\u3092320A\u306b\u5236\u9650\u3059\u308b\u5834\u5408\u3001InA = 400A\u3092\u4fdd\u8a3c\u3057\u307e\u305b\u3093\u3002.<\/p>\n<h3>\u5468\u56f2\u6e29\u5ea6\u306f\u3053\u308c\u3089\u306e\u5b9a\u683c\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b\uff1f<\/h3>\n<p><strong>IEC 61439-1\u306e\u6a19\u6e96\u5b9a\u683c\u306f\u300135\u00b0C\u306e\u5468\u56f2\u6e29\u5ea6\u3092\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059<\/strong> \uff08\u88688\u306b\u3088\u308b\uff09\u3002\u3088\u308a\u9ad8\u3044\u6e29\u5ea6\u3067\u306e\u52d5\u4f5c\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u6e29\u5ea6\u5236\u9650\u306b\u8fd1\u3044\u72b6\u614b\u3067\u958b\u59cb\u3055\u308c\u308b\u305f\u3081\u3001\u96fb\u6d41\u5bb9\u91cf\u3092\u4f4e\u4e0b\u3055\u305b\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\uff1a<\/p>\n<ul>\n<li>40\u00b0C\u306e\u5468\u56f2\u6e29\u5ea6\uff1aInA\/Inc\u3092\u7d0410%\u524a\u6e1b<\/li>\n<li>45\u00b0C\u306e\u5468\u56f2\u6e29\u5ea6\uff1a\u7d0415\u301c20%\u524a\u6e1b<\/li>\n<li>50\u00b0C\u306e\u5468\u56f2\u6e29\u5ea6\uff1a\u7d0425\u301c30%\u524a\u6e1b<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306f\u6982\u7b97\u3067\u3042\u308a\u3001\u6b63\u78ba\u306a\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u8a2d\u8a08\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u5e38\u306b\u88fd\u9020\u5143\u306e\u6e29\u5ea6\u88dc\u6b63\u66f2\u7dda\u3092\u3054\u8981\u6c42\u304f\u3060\u3055\u3044\u300240\u00b0C\u3092\u8d85\u3048\u308b\u5468\u56f2\u6e29\u5ea6\uff08\u6a5f\u68b0\u5ba4\u3001\u71b1\u5e2f\u6c17\u5019\u3001\u592a\u967d\u306e\u4e0b\u306e\u5c4b\u5916\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\uff09\u3067\u306e\u8a2d\u7f6e\u306e\u5834\u5408\u306f\u3001\u3053\u308c\u3092\u4e8b\u524d\u306b\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002VIOX\u306f\u3001\u4e0a\u6607\u3057\u305f\u5468\u56f2\u6e29\u5ea6\u7528\u306b\u5b9a\u683c\u3055\u308c\u305f\u30a2\u30bb\u30f3\u30d6\u30ea\u3092\u63d0\u4f9b\u3059\u308b\u304b\u3001\u6a19\u6e96\u8a2d\u8a08\u306b\u88dc\u6b63\u4fc2\u6570\u3092\u9069\u7528\u3067\u304d\u307e\u3059\u3002.<\/p>\n<p>\u9ad8\u5ea6\u3082\u51b7\u5374\u306b\u5f71\u97ff\u3057\u307e\u3059\uff08\u7a7a\u6c17\u5bc6\u5ea6\u304c\u4f4e\u4e0b\u3057\u307e\u3059\uff09\u30021,000m\u3092\u8d85\u3048\u308b\u5834\u5408\u306f\u3001\u8ffd\u52a0\u306e\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u5f53\u793e\u306e <a href=\"https:\/\/test.viox.com\/ja\/electrical-derating-temperature-altitude-grouping-factors\/\">\u5305\u62ec\u7684\u306a\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30ac\u30a4\u30c9<\/a> \u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<hr>\n<h2>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002VIOX\u304b\u3089\u306e\u95a2\u9023\u6280\u8853\u30ea\u30bd\u30fc\u30b9\uff1a<\/h2>\n<ul>\n<li><a href=\"https:\/\/test.viox.com\/ja\/types-of-circuit-breakers\/\">\u56de\u8def\u906e\u65ad\u5668\u306e\u7a2e\u985e\uff1a\u5b8c\u5168\u5206\u985e\u30ac\u30a4\u30c9<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/ja\/low-voltage-switchgear-types-ggd-gck-gcs-mns-xl21-guide\/\">\u4f4e\u5727\u30b9\u30a4\u30c3\u30c1\u30ae\u30a2\u306e\u7a2e\u985e\uff1aGGD\u3001GCK\u3001GCS\u3001MNS\u3001XL21\u30ac\u30a4\u30c9<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/ja\/circuit-breaker-ratings-icu-ics-icw-icm\/\">\u56de\u8def\u906e\u65ad\u5668\u306e\u5b9a\u683c\uff1aICU\u3001ICS\u3001ICW\u3001ICM\u306e\u8aac\u660e<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/ja\/mccb-vs-iccb-comprehensive-guide\/\">MCB\u5bfeMCCB\uff1a\u5305\u62ec\u7684\u306a\u6bd4\u8f03\u30ac\u30a4\u30c9<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/ja\/iec-60947-3-utilization-categories-guide\/\">IEC 60947-3 \u4f7f\u7528\u30ab\u30c6\u30b4\u30ea\u30ac\u30a4\u30c9<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Why Your 400A Switchgear Trips at 350A: The Hidden Truth About Current Ratings Picture this: You&#8217;ve specified a distribution board with a 400A main circuit breaker for an industrial facility. The load calculations show 340A maximum demand\u2014well within capacity. Yet three months after commissioning, the system trips repeatedly under continuous operation at just 350A. The client is furious, production is halted, and you&#8217;re scrambling to understand what went wrong. The culprit? A fundamental misunderstanding of how IEC 61439 defines current ratings. Unlike traditional &#8220;breaker rating&#8221; thinking\u2014where a 400A breaker equals 400A capacity\u2014the modern standard treats switchgear as an integrated thermal system. Three critical parameters govern real-world capacity: InA (assembly rated [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21249,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-21248","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/21248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/comments?post=21248"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/21248\/revisions"}],"predecessor-version":[{"id":21250,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/21248\/revisions\/21250"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media\/21249"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media?parent=21248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/categories?post=21248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/tags?post=21248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}