{"id":18442,"date":"2025-07-15T11:17:03","date_gmt":"2025-07-15T03:17:03","guid":{"rendered":"https:\/\/viox.com\/?p=18442"},"modified":"2026-01-03T15:37:46","modified_gmt":"2026-01-03T07:37:46","slug":"how-to-know-if-circuit-breaker-is-bad","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ja\/how-to-know-if-circuit-breaker-is-bad\/","title":{"rendered":"\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u6545\u969c\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<div class=\"product-intro\">\n<p>Electrical Safety Foundation International (ESFI)\u306b\u3088\u308b\u3068\u3001\u7c73\u56fd\u3060\u3051\u3067\u3082\u96fb\u6c17\u7684\u6545\u969c\u304c\u539f\u56e0\u3067\u5e74\u9593\u7d0451,000\u4ef6\u306e\u5efa\u9020\u7269\u706b\u707d\u304c\u767a\u751f\u3057\u300113\u5104\u30c9\u30eb\u4ee5\u4e0a\u306e\u7269\u7684\u640d\u5bb3\u304c\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u306e\u9632\u5fa1\u6226\u7565\u306e\u4e2d\u6838\u3068\u306a\u308b\u306e\u306f\u3001 <strong>\u6f0f\u96fb\u30d6\u30ec\u30fc\u30ab\u30fc<\/strong>\u2014\u6545\u969c\u6642\u306b\u96fb\u6d41\u306e\u6d41\u308c\u3092\u906e\u65ad\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u6b63\u3057\u304f\u52d5\u4f5c\u3057\u306a\u3044\u5834\u5408\u3001\u5b89\u5168\u88c5\u7f6e\u304b\u3089\u9759\u304b\u306a\u5371\u967a\u306b\u5909\u308f\u308a\u307e\u3059\u3002.<\/p>\n<p>\u58ca\u6ec5\u7684\u306a\u6545\u969c\u304c\u767a\u751f\u3059\u308b\u524d\u306b\u3001\u4e0d\u826f\u306a <strong>\u6f0f\u96fb\u30d6\u30ec\u30fc\u30ab\u30fc<\/strong> \u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u306f\u3001\u65bd\u8a2d\u7ba1\u7406\u8005\u304a\u3088\u3073\u96fb\u6c17\u5c02\u9580\u5bb6\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u30b9\u30ad\u30eb\u3067\u3059\u3002\u906e\u65ad\u3092\u660e\u78ba\u306b\u793a\u3059\u6eb6\u65ad\u30d2\u30e5\u30fc\u30ba\u3068\u306f\u7570\u306a\u308a\u3001\u8aa4\u52d5\u4f5c\u3057\u3066\u3044\u308b\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3001\u5371\u967a\u306a\u904e\u96fb\u6d41\u3092\u5bc6\u304b\u306b\u6301\u7d9a\u3055\u305b\u306a\u304c\u3089\u3001\u6b63\u5e38\u306b\u898b\u3048\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u6545\u969c\u306e\u80cc\u5f8c\u306b\u3042\u308b\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u539f\u7406\u3001\u4f53\u7cfb\u7684\u306a\u30c6\u30b9\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u3001\u304a\u3088\u3073\u96fb\u6c17\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u5b89\u5168\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u5c02\u9580\u7684\u306a\u8a3a\u65ad\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n<blockquote><p><strong>\u26a1 \u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u60aa\u5316\u3057\u3066\u3044\u308b\u5146\u5019<\/strong><\/p>\n<ul>\n<li><strong>\u7269\u7406\u7684\u306a\u71b1<\/strong>\uff1a\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u89e6\u308b\u3068\u71b1\u3044\uff08\u305f\u3060\u6696\u304b\u3044\u3060\u3051\u3067\u306f\u306a\u3044\uff09\u3002.<\/li>\n<li><strong>\u81ed\u3044<\/strong>\uff1a\u30d1\u30cd\u30eb\u306e\u8fd1\u304f\u3067\u9b5a\u81ed\u3044\u307e\u305f\u306f\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u304c\u713c\u3051\u308b\u3088\u3046\u306a\u81ed\u3044\u3002.<\/li>\n<li><strong>\u5916\u89b3<\/strong>\uff1a\u7126\u3052\u8de1\u3001\u6eb6\u3051\u305f\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u3001\u307e\u305f\u306f\u64e6\u308a\u5207\u308c\u305f\u30ef\u30a4\u30e4\u30fc\u3002.<\/li>\n<li><strong>\u6027\u80fd<\/strong>\uff1a\u30ea\u30bb\u30c3\u30c8\u76f4\u5f8c\u306b\uff08\u8ca0\u8377\u304c\u306a\u304f\u3066\u3082\uff09\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u304b\u3001ON\u306e\u4f4d\u7f6e\u306b\u7559\u307e\u308a\u307e\u305b\u3093\u3002.<\/li>\n<li><strong>\u97f3<\/strong>\uff1a\u30dc\u30c3\u30af\u30b9\u304b\u3089\u30d6\u30fc\u30f3\u3068\u3044\u3046\u97f3\u307e\u305f\u306f\u30b7\u30e5\u30fc\u3068\u3044\u3046\u97f3\u304c\u805e\u3053\u3048\u308b\u3002.<\/li>\n<\/ul>\n<p>\u4fe1\u983c\u3067\u304d\u308b\u4ea4\u63db\u54c1\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f <a href=\"https:\/\/test.viox.com\/ja\/mcb-manufacturer\/\">VIOX\u306e\u7523\u696d\u7528\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u30ab\u30bf\u30ed\u30b0\u3092\u3054\u89a7\u304f\u3060\u3055\u3044<\/a>.<\/p><\/blockquote>\n<h2>\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u6545\u969c\u30e2\u30fc\u30c9\u306e\u7406\u89e3<\/h2>\n<p>\u6a19\u6e96\u7684\u306a <strong>\u6f0f\u96fb\u30d6\u30ec\u30fc\u30ab\u30fc<\/strong> \u306f\u3001\u901a\u5e3830\u301c40\u5e74\u7d9a\u304f\u3088\u3046\u306b\u9577\u5bff\u547d\u306e\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u5185\u90e8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u6a5f\u68b0\u7684\u6469\u8017\u3001\u63a5\u70b9\u4fb5\u98df\u3001\u304a\u3088\u3073\u74b0\u5883\u52a3\u5316\u306e\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002\u3055\u307e\u3056\u307e\u306a\u30d6\u30ec\u30fc\u30ab\u30fc\u30bf\u30a4\u30d7\u306e\u7279\u5b9a\u306e\u6545\u969c\u30e2\u30fc\u30c9\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u6b63\u78ba\u306a\u8a3a\u65ad\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n<p>\u74b0\u5883\u8981\u56e0\u306f\u3001\u7d4c\u5e74\u52a3\u5316\u3092\u5927\u5e45\u306b\u52a0\u901f\u3055\u305b\u307e\u3059\u3002\u9ad8\u6e7f\u5ea6\u306b\u3088\u308a\u7d76\u7e01\u62b5\u6297\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u8ca0\u8377\u304c\u304b\u304b\u3063\u305f\u72b6\u614b\u3067\u306e\u983b\u7e41\u306a\u30c8\u30ea\u30c3\u30d7\u306f\u3001\u63a5\u70b9\u306b\u30a2\u30fc\u30af\u30d4\u30c3\u30c8\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u9ad8\u8abf\u6ce2\u6210\u5206\u304c\u591a\u3044\u6700\u65b0\u306e\u8ca0\u8377\u306f\u3001\u71b1\u78c1\u6c17\u30d6\u30ec\u30fc\u30ab\u30fc\u5185\u306e\u30d0\u30a4\u30e1\u30bf\u30eb\u30b9\u30c8\u30ea\u30c3\u30d7\u306b\u71b1\u5fdc\u529b\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5206\u985e\u306b\u3064\u3044\u3066\u3088\u308a\u6df1\u304f\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u30ac\u30a4\u30c9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/test.viox.com\/ja\/what-is-the-difference-between-mcb-mccb-rcb-rcd-rccb-and-rcbo\/\">MCB\u3001MCCB\u3001RCB\u3001RCD\u3001RCCB\u3001\u304a\u3088\u3073RCBO\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a>, \u3001\u307e\u305f\u306f\u5f53\u793e\u306e <a href=\"https:\/\/test.viox.com\/ja\/mccb-vs-iccb-comprehensive-guide\/\">MCCB vs ICCB\u5305\u62ec\u30ac\u30a4\u30c9\u3067\u30d8\u30d3\u30fc\u30c7\u30e5\u30fc\u30c6\u30a3\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044<\/a>.<\/p>\n<h3>\u30d6\u30ec\u30fc\u30ab\u30fc\u30bf\u30a4\u30d7\u5225\u306e\u4e00\u822c\u7684\u306a\u6545\u969c\u30e2\u30fc\u30c9<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"5\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u30d6\u30ec\u30fc\u30ab\u30fc\u30bf\u30a4\u30d7<\/th>\n<th>\u4e3b\u8981\u306a\u30e1\u30ab\u30cb\u30ba\u30e0<\/th>\n<th>\u4e00\u822c\u7684\u306a\u6545\u969c\u30e2\u30fc\u30c9<\/th>\n<th>\u6839\u672c\u539f\u56e0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>MCB<\/strong> \uff08\u5c0f\u578b\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\uff09<\/td>\n<td>\u71b1\u52d5-\u96fb\u78c1\u5f0f<\/td>\n<td><strong>\u30c8\u30ea\u30c3\u30d7\u306e\u5931\u6557<\/strong> \u307e\u305f\u306f <strong>\u8ff7\u60d1\u306a\u30c8\u30ea\u30c3\u30d7<\/strong><\/td>\n<td>\u5f31\u4f53\u5316\u3057\u305f\u30d0\u30a4\u30e1\u30bf\u30eb\u30b9\u30c8\u30ea\u30c3\u30d7\u307e\u305f\u306f\u52d5\u304b\u306a\u304f\u306a\u3063\u305f\u30b9\u30d7\u30ea\u30f3\u30b0\u6a5f\u69cb\u3002.<\/td>\n<\/tr>\n<tr>\n<td><strong>MCCB<\/strong> \uff08\u30e2\u30fc\u30eb\u30c9\u30b1\u30fc\u30b9\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\uff09<\/td>\n<td>\u96fb\u5b50\/\u71b1\u78c1\u6c17<\/td>\n<td><strong>\u63a5\u70b9\u6eb6\u7740<\/strong><\/td>\n<td>\u4ea4\u63db\u305b\u305a\u306b\u9ad8\u3044\u6545\u969c\u96fb\u6d41\u3092\u906e\u65ad\u3002\u63a5\u70b9\u304c\u878d\u5408\u3059\u308b\u3002.<\/td>\n<\/tr>\n<tr>\n<td><strong>RCCB\/RCD<\/strong> \uff08\u6b8b\u7559\u96fb\u6d41\u30c7\u30d0\u30a4\u30b9\uff09<\/td>\n<td>\u30b3\u30a2\u30d0\u30e9\u30f3\u30b9\u30c8\u30e9\u30f3\u30b9<\/td>\n<td><strong>\u30c6\u30b9\u30c8\u30dc\u30bf\u30f3\u306e\u6545\u969c<\/strong><\/td>\n<td>\u5185\u90e8\u62b5\u6297\u306e\u713c\u640d\u307e\u305f\u306f\u691c\u77e5\u30b3\u30a4\u30eb\u306e\u52a3\u5316\u3002.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30a2\u30fc\u30eb\u30b7\u30fc\u30dc<\/strong> \uff08\u904e\u96fb\u6d41\u4ed8\u304d\u6b8b\u7559\u96fb\u6d41\u30d6\u30ec\u30fc\u30ab\u30fc\uff09<\/td>\n<td>\u7d44\u307f\u5408\u308f\u305b<\/td>\n<td><strong>\u96fb\u5b50\u90e8\u54c1\u306e\u6545\u969c<\/strong><\/td>\n<td>\u5730\u7d61\u691c\u51fa\u3092\u5236\u5fa1\u3059\u308bPCB\u3078\u306e\u30b5\u30fc\u30b8\u640d\u50b7\u3002.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u8996\u899a\u7684\u304a\u3088\u3073\u7269\u7406\u7684\u306a\u8b66\u544a\u30b5\u30a4\u30f3<\/h2>\n<p>\u8a3a\u65ad\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u524d\u306b\u3001\u5fb9\u5e95\u7684\u306a\u611f\u899a\u691c\u67fb\u3067\u4e0d\u826f\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u72b6\u614b\u304c\u660e\u3089\u304b\u306b\u306a\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u7269\u7406\u7684\u306a\u72b6\u614b\u3068\u914d\u96fb\u76e4\u306f\u3001\u71b1\u5fdc\u529b\u3068\u6a5f\u68b0\u7684\u5b8c\u5168\u6027\u306b\u95a2\u3059\u308b\u5373\u6642\u306e\u30c7\u30fc\u30bf\u30dd\u30a4\u30f3\u30c8\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<p>\u3088\u308a\u5927\u304d\u306a\u7a7a\u8abf\u30b7\u30b9\u30c6\u30e0\u306b\u95a2\u9023\u3059\u308b\u7279\u5b9a\u306e\u5146\u5019\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u8a18\u4e8b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/test.viox.com\/ja\/7-critical-warning-signs-your-air-circuit-breaker-is-failing\/\">\u30a8\u30a2\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u6545\u969c\u3092\u793a\u30597\u3064\u306e\u91cd\u8981\u306a\u8b66\u544a\u30b5\u30a4\u30f3<\/a>.<\/p>\n<h3>\u6545\u969c\u306e\u4e3b\u306a\u6307\u6a19<\/h3>\n<ol>\n<li><strong>\u7126\u3052\u81ed\u3044\u3068\u904e\u71b1<\/strong>\uff1a\u72ec\u7279\u306e\u523a\u6fc0\u81ed\uff08\u591a\u304f\u306e\u5834\u5408\u3001\u9b5a\u3084\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u304c\u713c\u3051\u308b\u3088\u3046\u306a\u81ed\u3044\uff09\u306f\u3001\u7d76\u7e01\u7834\u58ca\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u89e6\u308b\u3068\u71b1\u3044\u5834\u5408\uff08\u305f\u3060\u6696\u304b\u3044\u3060\u3051\u3067\u306f\u306a\u3044\uff09\u3001\u5185\u90e8\u62b5\u6297\u304c\u5371\u967a\u306a\u71b1\u30ec\u30d9\u30eb\u3092\u751f\u6210\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u5506\u3057\u3066\u304a\u308a\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u63a5\u7d9a\u306e\u7de9\u307f\u307e\u305f\u306f\u63a5\u70b9\u306e\u52a3\u5316\u304c\u539f\u56e0\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<li><strong>\u76ee\u306b\u898b\u3048\u308b\u640d\u50b7<\/strong>\uff1a\u30bf\u30fc\u30df\u30ca\u30eb\u30cd\u30b8\u306e\u7126\u3052\u8de1\u3001\u30cf\u30f3\u30c9\u30eb\u306e\u5468\u308a\u306e\u30b1\u30fc\u30b7\u30f3\u30b0\u306e\u6eb6\u3051\u3001\u307e\u305f\u306f\u30d0\u30b9\u30d0\u30fc\u63a5\u7d9a\u306e\u8150\u98df\u3092\u63a2\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306f\u3001 <a href=\"https:\/\/test.viox.com\/ja\/how-mcbs-prevent-damage-during-electrical-overloads-or-short-circuits\/\">MCB\u304c\u96fb\u6c17\u904e\u8ca0\u8377\u307e\u305f\u306f\u77ed\u7d61\u6642\u306e\u640d\u50b7\u3092\u9632\u3050\u4ed5\u7d44\u307f<\/a> \u304c\u640d\u306a\u308f\u308c\u3066\u3044\u308b\u5146\u5019\u3067\u3059\u3002.<\/li>\n<li><strong>\u30ea\u30bb\u30c3\u30c8\u306e\u62d2\u5426<\/strong>\uff1a\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u3068\u3001\u30cf\u30f3\u30c9\u30eb\u306f\u591a\u304f\u306e\u5834\u5408\u3001\u4e2d\u9593\u4f4d\u7f6e\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002. <strong>\u30d7\u30ed\u306e\u30d2\u30f3\u30c8<\/strong>\uff1a\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u3059\u3050\u306bON\u306b\u623b\u3089\u306a\u3044\u305f\u3081\u3001\u58ca\u308c\u3066\u3044\u308b\u3068\u8aa4\u3063\u3066\u8003\u3048\u3066\u3044\u307e\u3059\u3002\u30cf\u30f3\u30c9\u30eb\u3092 <strong>\u30aa\u30d5<\/strong> \u306e\u4f4d\u7f6e\u307e\u3067\u3057\u3063\u304b\u308a\u3068\u62bc\u3057\u8fbc\u307f\u3001\u300c\u30ab\u30c1\u30c3\u300d\u3068\u3044\u3046\u97f3\u304c\u805e\u3053\u3048\u308b\u307e\u3067\u5185\u90e8\u30b9\u30d7\u30ea\u30f3\u30b0\u6a5f\u69cb\u3092\u30ea\u30bb\u30c3\u30c8\u3057\u3066\u304b\u3089\u3001ON\u306b\u623b\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u624b\u9806\u306e\u5f8c\u3067\u3082\u30cf\u30f3\u30c9\u30eb\u304c\u300c\u3050\u306b\u3083\u3050\u306b\u3083\u300d\u3057\u3066\u3044\u308b\u304b\u3001\u30e9\u30c3\u30c1\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u5185\u90e8\u6a5f\u68b0\u5f0f\u30e9\u30c3\u30c1\u304c\u6545\u969c\u3057\u3066\u3044\u307e\u3059\u3002.<\/li>\n<li><strong>\u53ef\u8074\u30ce\u30a4\u30ba<\/strong>\uff1a\u5065\u5eb7\u306a\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u9759\u304b\u3067\u3059\u3002\u30d6\u30fc\u30f3\u3068\u3044\u3046\u97f3\u3001\u30d1\u30c1\u30d1\u30c1\u3068\u3044\u3046\u97f3\u3001\u307e\u305f\u306f\u30b8\u30e5\u30fc\u30b8\u30e5\u30fc\u3068\u3044\u3046\u97f3\u306f\u3001\u30a2\u30fc\u30af\u653e\u96fb\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u63a5\u7d9a\u306e\u7de9\u307f\u307e\u305f\u306f\u5185\u90e8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u6545\u969c\u306b\u3088\u308a\u3001\u96fb\u6c17\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u98db\u3073\u8d8a\u3048\u308b\u3053\u3068\u3067\u3059\u3002.<\/li>\n<\/ol>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Professional-electrician-inspecting-circuit-breaker-panel-for-failure-signs---VIOX-Electric.webp\" alt=\"Professional electrician inspecting circuit breaker panel for failure signs - VIOX Electric\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 5px; font-size: 0.9em;\">\u7269\u7406\u7684\u306a\u6545\u969c\u306e\u5146\u5019\u306b\u3064\u3044\u3066\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u30d1\u30cd\u30eb\u3092\u691c\u67fb\u3059\u308b\u5c02\u9580\u306e\u96fb\u6c17\u6280\u5e2b\u2013 VIOX Electric<\/figcaption><\/figure>\n<h2>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\uff1a\u56de\u8def\u306e\u904e\u8ca0\u8377\u3068\u4e0d\u826f\u30d6\u30ec\u30fc\u30ab\u30fc<\/h2>\n<p>\u30d6\u30ec\u30fc\u30ab\u30fc\u81ea\u4f53\u306b\u6b20\u9665\u304c\u3042\u308b\u3068\u60f3\u5b9a\u3059\u308b\u524d\u306b\u3001\u5916\u90e8\u306e\u539f\u56e0\u3092\u9664\u5916\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u4e3b\u306a\u4ed5\u4e8b\u306f\u3001\u904e\u8ca0\u8377\u6642\u306b\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u305d\u3046\u3067\u3042\u308b\u5834\u5408\u3001\u305d\u308c\u306f\u6b63\u3057\u304f\u6a5f\u80fd\u3057\u3066\u304a\u308a\u3001\u554f\u984c\u306f\u56de\u8def\u8ca0\u8377\u306b\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u201c\u300c\u30b4\u30fc\u30b9\u30c8\u30c8\u30ea\u30c3\u30d7\u300d\u201d<\/strong> \u3068\u306f\u3001\u660e\u3089\u304b\u306a\u7406\u7531\u3082\u306a\u304f\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u6307\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u591a\u304f\u306e\u5834\u5408\u3001\u30c8\u30ea\u30c3\u30d7\u30ab\u30fc\u30d6\u306e\u52a3\u5316\u306b\u8d77\u56e0\u3057\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u904e\u654f\u306b\u306a\u308a\u3001\u5b9a\u683c\u5236\u9650\u3092\u5927\u5e45\u306b\u4e0b\u56de\u3063\u3066\u30c8\u30ea\u30c3\u30d7\u3057\u307e\u3059\u3002.<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u5206\u96e2\u30c6\u30b9\u30c8<\/h3>\n<ol>\n<li><strong>\u3059\u3079\u3066\u306e\u63a5\u7d9a\u3092\u89e3\u9664\u3059\u308b<\/strong>: \u5f71\u97ff\u3092\u53d7\u3051\u3066\u3044\u308b\u56de\u8def\u4e0a\u306e\u3059\u3079\u3066\u306e\u96fb\u6c17\u5668\u5177\u306e\u30d7\u30e9\u30b0\u3092\u629c\u304d\u3001\u3059\u3079\u3066\u306e\u7167\u660e\u30b9\u30a4\u30c3\u30c1\u3092\u30aa\u30d5\u306b\u3057\u307e\u3059\u3002.<\/li>\n<li><strong>\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30ea\u30bb\u30c3\u30c8<\/strong>: \u30cf\u30f3\u30c9\u30eb\u3092\u78ba\u5b9f\u306bOFF\u306e\u4f4d\u7f6e\u307e\u3067\u62bc\u3057\u8fbc\u307f\u3001\u6b21\u306bON\u306e\u4f4d\u7f6e\u307e\u3067\u62bc\u3057\u8fbc\u307f\u307e\u3059\u3002.<\/li>\n<li><strong>\u89b3\u5bdf<\/strong>:\n<ul>\n<li><strong>\u30b7\u30ca\u30ea\u30aaA\uff08\u5373\u6642\u30c8\u30ea\u30c3\u30d7\uff09<\/strong>: \u63a5\u7d9a\u3055\u308c\u305f\u72b6\u614b\u3067\u77ac\u6642\u306b\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u5834\u5408 <em>\u3059\u3079\u3066<\/em> \u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u6545\u969c\u3057\u3066\u3044\u308b\uff08\u5185\u90e8\u77ed\u7d61\uff09\u304b\u3001\u58c1\u306e\u914d\u7dda\u306b\u5b8c\u5168\u306a\u77ed\u7d61\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<li><strong>\u30b7\u30ca\u30ea\u30aaB\uff08\u96fb\u529b\u4fdd\u6301\uff09<\/strong>: ON\u306e\u72b6\u614b\u3092\u7dad\u6301\u3059\u308b\u5834\u5408\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u6a5f\u68b0\u7684\u306b\u5065\u5168\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8ca0\u8377\u306e\u518d\u5c0e\u5165<\/strong>: \u30c7\u30d0\u30a4\u30b9\u30921\u3064\u305a\u3064\u518d\u63a5\u7d9a\u3057\u307e\u3059\u3002\u7279\u5b9a\u306e\u9ad8\u30ef\u30c3\u30c8\u6570\u306e\u96fb\u6c17\u5668\u5177\uff08\u30b9\u30da\u30fc\u30b9\u30d2\u30fc\u30bf\u30fc\u306a\u3069\uff09\u3092\u30aa\u30f3\u306b\u3057\u305f\u5834\u5408\u306b\u306e\u307f\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u5834\u5408\u3001\u56de\u8def\u306f <strong>\u904e\u8ca0\u8377<\/strong>, \u3067\u3042\u308a\u3001\u6545\u969c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/li>\n<\/ol>\n<h3>\u8fc5\u901f\u306a\u8a3a\u65ad\u610f\u601d\u6c7a\u5b9a\u30c4\u30ea\u30fc<\/h3>\n<ul>\n<li><strong>\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u307e\u3059\u304b\uff1f<\/strong>\n<ul>\n<li><strong>No<\/strong> \uff08\u7121\u8ca0\u8377\u3067\u77ac\u6642\u306b\u30c8\u30ea\u30c3\u30d7\u3059\u308b\uff09\u2192\u914d\u7dda\u306e\u77ed\u7d61\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u914d\u7dda\u306b\u554f\u984c\u304c\u306a\u3044\u5834\u5408\u2192 <strong>\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u4ea4\u63db<\/strong>.<\/li>\n<li><strong>\u3042\u308a<\/strong> \uff08ON\u306e\u72b6\u614b\u3092\u7dad\u6301\u3059\u308b\uff09\u2192 <strong>\u8ca0\u8377\u30c6\u30b9\u30c8\u306b\u9032\u3080<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5f8c\u3067\u30c8\u30ea\u30c3\u30d7\u3057\u307e\u3059\u304b\uff1f<\/strong>\n<ul>\n<li><strong>\u3042\u308a<\/strong> \u2192\u30af\u30e9\u30f3\u30d7\u30e1\u30fc\u30bf\u30fc\u3067\u96fb\u6d41\u5024\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.\n<ul>\n<li><strong>\u9ad8\u96fb\u6d41<\/strong> \uff08\u5b9a\u683c\u306e&gt;80%\uff09\u2192\u56de\u8def\u306e\u904e\u8ca0\u8377\u2192 <strong>\u8ca0\u8377\u306e\u8efd\u6e1b<\/strong>.<\/li>\n<li><strong>\u901a\u5e38\u96fb\u6d41<\/strong> \uff08\u5b9a\u683c\u306e&lt;80%\uff09\u2192\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30c8\u30ea\u30c3\u30d7\u30ab\u30fc\u30d6\u306e\u52a3\u5316\u2192 <strong>\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u4ea4\u63db<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u75c7\u72b6\u5206\u6790\uff1a\u904e\u8ca0\u8377 vs. \u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u6545\u969c<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"5\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u75c7\u72b6<\/th>\n<th>\u56de\u8def\u306e\u904e\u8ca0\u8377\uff08\u6b63\u5e38\u52d5\u4f5c\uff09<\/th>\n<th>\u4e0d\u826f\u306a\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\uff08\u6545\u969c\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u30bf\u30a4\u30df\u30f3\u30b0<\/strong><\/td>\n<td>\u4f7f\u7528\u5f8c\u6570\u5206\/\u6570\u6642\u9593\u5f8c\u306b\u30c8\u30ea\u30c3\u30d7\u3059\u308b<\/td>\n<td>\u77ac\u6642\u306b\u307e\u305f\u306f\u30e9\u30f3\u30c0\u30e0\u306b\u30c8\u30ea\u30c3\u30d7\u3059\u308b\uff08\u30b4\u30fc\u30b9\u30c8\u30c8\u30ea\u30c3\u30d7\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30ea\u30bb\u30c3\u30c8<\/strong><\/td>\n<td>\u51b7\u5374\u5f8c\u306b\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u308b<\/td>\n<td>\u30cf\u30f3\u30c9\u30eb\u304c\u7de9\u3044\/\u3075\u306b\u3083\u3075\u306b\u3083\u3057\u3066\u3044\u308b\u3002\u30e9\u30c3\u30c1\u3057\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8eab\u4f53\u7684\u5146\u5019<\/strong><\/td>\n<td>\u30d1\u30cd\u30eb\u30ab\u30d0\u30fc\u304c\u6696\u304b\u3044<\/td>\n<td>\u7126\u3052\u81ed\u3044\u3002\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u89e6\u308b\u3068\u71b1\u3044<\/td>\n<\/tr>\n<tr>\n<td><strong>\u539f\u56e0<\/strong><\/td>\n<td>\u5b9a\u683c\u306b\u5bfe\u3057\u3066\u96fb\u6d41\u304c\u591a\u3059\u304e\u308b<\/td>\n<td>\u5185\u90e8\u30b9\u30d7\u30ea\u30f3\u30b0\/\u63a5\u70b9\u306e\u52a3\u5316<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>DIY\u30c6\u30b9\u30c8\u65b9\u6cd5\uff1a\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\u3068\u6a5f\u68b0\u7684\u30c1\u30a7\u30c3\u30af<\/h2>\n<p>\u65bd\u8a2d\u6280\u8853\u8005\u304a\u3088\u3073\u8cc7\u683c\u306e\u3042\u308b\u62c5\u5f53\u8005\u5411\u3051\u306b\u3001\u4e0d\u826f\u306a\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u691c\u8a3c\u306b\u306f\u3001\u96fb\u6c17\u7684\u5c0e\u901a\u3068\u96fb\u5727\u51fa\u529b\u306e\u30c6\u30b9\u30c8\u304c\u542b\u307e\u308c\u307e\u3059\u3002. <strong>\u5b89\u5168\u4e0a\u306e\u8b66\u544a\uff1a\u96fb\u6c17\u30d1\u30cd\u30eb\u5185\u3067\u306e\u4f5c\u696d\u306f\u3001\u30a2\u30fc\u30af\u30d5\u30e9\u30c3\u30b7\u30e5\u304a\u3088\u3073\u611f\u96fb\u306e\u5371\u967a\u3092\u4f34\u3044\u307e\u3059\u3002\u5e38\u306b\u9069\u5207\u306aPPE\uff08\u500b\u4eba\u7528\u4fdd\u8b77\u5177\uff09\u3092\u7740\u7528\u3057\u3001NFPA 70E\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u9075\u5b88\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/strong><\/p>\n<h3>3.1 \u5916\u89b3\u691c\u67fb\u306e\u624b\u9806<\/h3>\n<p>\u307e\u305a\u3001\u30d1\u30cd\u30eb\u30ab\u30d0\u30fc\uff08\u30c7\u30c3\u30c9\u30d5\u30ed\u30f3\u30c8\uff09\u3092\u53d6\u308a\u5916\u3057\u307e\u3059\u3002\u554f\u984c\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u7269\u7406\u7684\u306a\u4f4d\u7f6e\u5408\u308f\u305b\u3092\u691c\u67fb\u3057\u307e\u3059\u3002DIN\u30ec\u30fc\u30eb\u307e\u305f\u306f\u30d0\u30b9\u30d0\u30fc\u4e0a\u3067\u7de9\u3093\u3067\u3044\u308b\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3001\u30de\u30a4\u30af\u30ed\u30a2\u30fc\u30af\u3092\u767a\u751f\u3055\u305b\u3001\u71b1\u3092\u767a\u751f\u3055\u305b\u3066\u63a5\u7d9a\u30dd\u30a4\u30f3\u30c8\u3092\u7834\u58ca\u3057\u307e\u3059\u3002.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Circuit-breaker-internal-components-cutaway-diagram-showing-common-failure-points---VIOX-Electric.webp\" alt=\"Circuit breaker internal components cutaway diagram showing common failure points - VIOX Electric\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 5px; font-size: 0.9em;\">\u4e00\u822c\u7684\u306a\u6545\u969c\u7b87\u6240\u3092\u793a\u3059\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5185\u90e8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u65ad\u9762\u56f3 \u2013 VIOX Electric<\/figcaption><\/figure>\n<h3>3.2 \u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\u306b\u3088\u308b\u96fb\u5727\u30c6\u30b9\u30c8<\/h3>\n<p>\u3053\u308c\u306f\u3001\u8ca0\u8377\u304c\u304b\u304b\u3063\u305f\u72b6\u614b\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u306b\u5bfe\u3059\u308b\u6c7a\u5b9a\u7684\u306a\u30c6\u30b9\u30c8\u3067\u3059\u3002.<\/p>\n<ol>\n<li><strong>\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/strong>: \u30c7\u30b8\u30bf\u30eb\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\u3092 <strong>\u4ea4\u6d41\u96fb\u5727<\/strong> \uff08\u901a\u5e38\u306f600V\u307e\u305f\u306f750V\u306e\u8a2d\u5b9a\uff09\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002.<\/li>\n<li><strong>\u63a5\u5730\u57fa\u6e96<\/strong>: \u9ed2\uff08\u30b3\u30e2\u30f3\uff09\u30d7\u30ed\u30fc\u30d6\u3092\u30cb\u30e5\u30fc\u30c8\u30e9\u30eb\u30d0\u30b9\u30d0\u30fc\uff08\u901a\u5e38\u306f\u767d\u3044\u30ef\u30a4\u30e4\u30fc\u304c\u4ed8\u3044\u305f\u9280\u8272\u306e\u30b9\u30c8\u30ea\u30c3\u30d7\uff09\u307e\u305f\u306f\u63a5\u5730\u30d0\u30fc\uff08\u7dd1\u8272\u306e\u30ef\u30a4\u30e4\u30fc\/\u3080\u304d\u51fa\u3057\u306e\u9285\u7dda\uff09\u306b\u914d\u7f6e\u3057\u307e\u3059\u3002.<\/li>\n<li><strong>\u30e9\u30a4\u30d6\u6e2c\u5b9a<\/strong>: \u30d6\u30ec\u30fc\u30ab\u30fc\u304c <strong>\u306e\u4e0a<\/strong> ON.<\/li>\n<li><strong>\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<\/strong>:\n<ul>\n<li><strong>\u89e3\u91c8<\/strong>120V \/ 240V\uff08\u5358\u6975\/\u53cc\u6975\uff09.<\/li>\n<li><strong>: \u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u96fb\u5727\u3092\u6b63\u3057\u304f\u901a\u904e\u3055\u305b\u3066\u3044\u307e\u3059\u3002\u56de\u8def\u304c\u307e\u3060\u505c\u6b62\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u554f\u984c\u306f\u4e0b\u6d41\u306e\u914d\u7dda\u306b\u3042\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002<\/strong>0V\u307e\u305f\u306f\u5909\u52d5\u3059\u308b\u4f4e\u96fb\u5727.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Multimeter-testing-procedure-diagram-for-circuit-breaker-voltage-measurement---VIOX-Electric.webp\" alt=\"Multimeter testing procedure diagram for circuit breaker voltage measurement - VIOX Electric\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 5px; font-size: 0.9em;\">: \u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u6545\u969c\u3057\u3066\u3044\u307e\u3059\u3002\u5185\u90e8\u63a5\u70b9\u304c\u9589\u3058\u3066\u3044\u306a\u3044\u304b\u3001\u30d0\u30b9\u63a5\u7d9a\u304c\u5207\u65ad\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/figcaption><\/figure>\n<h3>\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u96fb\u5727\u6e2c\u5b9a\u306e\u305f\u3081\u306e\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\u30c6\u30b9\u30c8\u624b\u9806\u56f3 \u2013 VIOX Electric<\/h3>\n<p>3.3 \u5c0e\u901a\u30c6\u30b9\u30c8\uff08\u96fb\u6e90\u30aa\u30d5\uff09 <a href=\"https:\/\/test.viox.com\/ja\/how-to-test-a-circuit-breaker-without-power\/\">\u7121\u96fb\u6e90\u3067\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u30c6\u30b9\u30c8\u3059\u308b\u65b9\u6cd5<\/a>.<\/p>\n<ol>\n<li><strong>\u7d76\u7e01<\/strong>: \u30e1\u30a4\u30f3\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u30aa\u30d5\u306b\u3057\u307e\u3059\u3002\u30d6\u30ec\u30fc\u30ab\u30fc\u7aef\u5b50\u304b\u3089\u96fb\u7dda\u3092\u5916\u3057\u3001\u56de\u8def\u8ca0\u8377\u304b\u3089\u7d76\u7e01\u3057\u307e\u3059\u3002.<\/li>\n<li><strong>\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/strong>: \u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\u3092\u4ee5\u4e0b\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002 <strong>\u5c0e\u901a<\/strong> \uff08\u53ef\u8074\u30d3\u30fc\u30d7\u97f3\u30e2\u30fc\u30c9\uff09\u307e\u305f\u306f <strong>\u30aa\u30fc\u30e0\uff08\u03a9\uff09<\/strong>.<\/li>\n<li><strong>ON\u72b6\u614b\u306e\u30c6\u30b9\u30c8<\/strong>: \u30d6\u30ec\u30fc\u30ab\u30fc\u3092ON\u306b\u3057\u307e\u3059\u3002\u4e00\u65b9\u306e\u30d7\u30ed\u30fc\u30d6\u3092\u30d0\u30b9\u30af\u30ea\u30c3\u30d7\uff08\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u80cc\u9762\uff09\u306b\u3001\u3082\u3046\u4e00\u65b9\u3092\u30cd\u30b8\u7aef\u5b50\u306b\u63a5\u89e6\u3055\u305b\u307e\u3059\u3002.\n<ul>\n<li><em>\u7d50\u679c<\/em>: \u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\u304c\u30d3\u30fc\u30d7\u97f3\u3092\u9cf4\u3089\u3059\u304b\u30010\u03a9\u306b\u8fd1\u3044\u5024\u3092\u793a\u3059\u306f\u305a\u3067\u3059\u3002.<\/li>\n<\/ul>\n<\/li>\n<li><strong>OFF\u72b6\u614b\u306e\u30c6\u30b9\u30c8<\/strong>: \u30d6\u30ec\u30fc\u30ab\u30fc\u3092OFF\u306b\u3057\u307e\u3059\u3002\u30d7\u30ed\u30fc\u30d6\u306e\u63a5\u89e6\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002.\n<ul>\n<li><em>\u7d50\u679c<\/em>: \u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\u306f\u7121\u97f3\u3067\u3042\u308b\u304b\u3001\u300cOL\u300d\uff08\u30aa\u30fc\u30d7\u30f3\u30e9\u30a4\u30f3\/\u7121\u9650\u62b5\u6297\uff09\u3068\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002.<\/li>\n<li><em>\u6545\u969c<\/em>: OFF\u306e\u3068\u304d\u306b\u30d3\u30fc\u30d7\u97f3\u304c\u9cf4\u308b\u5834\u5408\u306f\u3001\u63a5\u70b9\u304c\u6eb6\u7740\u3057\u3066\u304a\u308a\u3001\u5371\u967a\u306a\u72b6\u614b\u3067\u3059\u3002.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>3.4 \u6a5f\u68b0\u7684\u52d5\u4f5c\u30c6\u30b9\u30c8<\/h3>\n<p>\u30cf\u30f3\u30c9\u30eb\u3092\u4f55\u5ea6\u3082ON\/OFF\u306b\u5207\u308a\u66ff\u3048\u307e\u3059\u3002\u660e\u78ba\u306b\u30b9\u30ca\u30c3\u30d7\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30cf\u30f3\u30c9\u30eb\u304c\u5f37\u5236\u3055\u308c\u305a\u306b\u9014\u4e2d\u3067\u6b62\u307e\u308b\uff08\u30c8\u30ea\u30c3\u30d7\u4f4d\u7f6e\uff09\u5834\u5408\u3001\u307e\u305f\u306f\u62b5\u6297\u306a\u304f\u30b9\u30e9\u30a4\u30c9\u3059\u308b\u5834\u5408\u306f\u3001\u30b9\u30d7\u30ea\u30f3\u30b0\u6a5f\u69cb\u304c\u7834\u640d\u3057\u3066\u3044\u307e\u3059\u3002RCD\/GFCI\u306e\u5834\u5408\u306f\u3001\u300cTEST\u300d\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u307e\u3059\u3002\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u5373\u5ea7\u306b\u30c8\u30ea\u30c3\u30d7\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u691c\u77e5\u30b3\u30a4\u30eb\u307e\u305f\u306f\u96fb\u5b50\u30c8\u30ea\u30ac\u30fc\u304c\u6545\u969c\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h3>\u30c6\u30b9\u30c8\u65b9\u6cd5\u306e\u6bd4\u8f03<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"5\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u65b9\u6cd5<\/th>\n<th>\u5fc5\u8981\u306a\u9053\u5177<\/th>\n<th>\u5b89\u5168\u30ec\u30d9\u30eb<\/th>\n<th>\u7cbe\u5ea6<\/th>\n<th>\u4f7f\u7528\u3059\u308b\u5834\u5408<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u96fb\u5727\u30c6\u30b9\u30c8<\/strong><\/td>\n<td>\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\uff08CAT III\/IV\uff09<\/td>\n<td>\u4f4e\uff08\u6d3b\u7dda\u4f5c\u696d\uff09<\/td>\n<td><strong>\u9ad8<\/strong><\/td>\n<td>\u8ca0\u8377\u6642\u306e\u96fb\u529b\u51fa\u529b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u3002.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5c0e\u901a<\/strong><\/td>\n<td>\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc<\/td>\n<td>\u9ad8\uff08\u505c\u96fb\u4f5c\u696d\uff09<\/td>\n<td>\u4e2d<\/td>\n<td>\u6700\u3082\u5b89\u5168\u306a\u65b9\u6cd5\u3002\u5185\u90e8\u63a5\u70b9\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30e1\u30ab\u30cb\u30ab\u30eb<\/strong><\/td>\n<td>\u624b\/\u30c9\u30e9\u30a4\u30d0\u30fc<\/td>\n<td>\u9ad8<\/td>\n<td>\u4f4e<\/td>\n<td>\u6a5f\u69cb\u306e\u8a70\u307e\u308a\u306e\u521d\u671f\u30c1\u30a7\u30c3\u30af\u3002.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8ca0\u8377\u30c6\u30b9\u30c8<\/strong><\/td>\n<td>\u30af\u30e9\u30f3\u30d7\u30e1\u30fc\u30bf\u30fc<\/td>\n<td>\u4e2d<\/td>\n<td>\u9ad8<\/td>\n<td>\u30c8\u30ea\u30c3\u30d7\u304c\u771f\u306e\u904e\u8ca0\u8377\u306b\u3088\u308b\u3082\u306e\u304b\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u6545\u969c\u306b\u3088\u308b\u3082\u306e\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u3002.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u5c02\u9580\u7684\u306a\u8a3a\u65ad\u65b9\u6cd5<\/h2>\n<p>\u5f53\u793e\u306e <a href=\"https:\/\/test.viox.com\/ja\/current-limiting-circuit-breaker-guide\/\">\u9650\u6d41\u906e\u65ad\u5668\u30ac\u30a4\u30c9<\/a>, \u3067\u8aac\u660e\u3055\u308c\u3066\u3044\u308b\u9ad8\u5ea6\u306a\u4fdd\u8b77\u3092\u5229\u7528\u3059\u308b\u7523\u696d\u74b0\u5883\u307e\u305f\u306f\u91cd\u8981\u306a\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u5834\u5408\u3001\u5358\u7d14\u306a\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\u30c6\u30b9\u30c8\u3067\u306f\u4e0d\u5341\u5206\u3067\u3059\u3002\u5c02\u9580\u7684\u306a\u30c6\u30b9\u30c8\u3067\u306f\u3001\u7d76\u7e01\u306e\u5b8c\u5168\u6027\u3068\u30c8\u30ea\u30c3\u30d7\u30ab\u30fc\u30d6\u7279\u6027\u3092\u5206\u6790\u3057\u307e\u3059\u3002.<\/p>\n<h3>\u7d76\u7e01\u62b5\u6297\u8a66\u9a13\uff08\u30e1\u30ac\u30fc\uff09<\/h3>\n<p>\u3053\u306e\u30c6\u30b9\u30c8\u3067\u306f\u3001\u30e1\u30ac\u30fc\u3092\u4f7f\u7528\u3057\u3066500\u301c1000 Vdc\u3092\u30d6\u30ec\u30fc\u30ab\u30fc\u63a5\u70b9\u306b\u5370\u52a0\u3057\u307e\u3059\u3002\u7d76\u7e01\u3092\u901a\u904e\u3059\u308b\u6f0f\u308c\u96fb\u6d41\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002.<\/p>\n<ul>\n<li><strong>\u624b\u9806<\/strong>: \u76f8-\u5bfe-\u63a5\u5730\u3001\u76f8-\u5bfe-\u76f8\u3001\u304a\u3088\u3073\u30e9\u30a4\u30f3-\u5bfe-\u8ca0\u8377\uff08\u30d6\u30ec\u30fc\u30ab\u30fc\u958b\uff09\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002.<\/li>\n<li><strong>\u30d9\u30f3\u30c1\u30de\u30fc\u30af<\/strong>: \u901a\u5e38\u3001\u8aad\u307f\u53d6\u308a\u5024\u306f <strong>1\u30e1\u30ac\u30aa\u30fc\u30e0<\/strong> \uff08\u4f7f\u7528\u6e08\u307f\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5834\u5408\uff09\uff08\u65b0\u54c1\u306e\u5834\u5408\u306f\u3088\u308a\u9ad8\u3044\uff09\u3002\u62b5\u6297\u306e\u4f4e\u4e0b\u306f\u3001\u6c34\u5206\u306e\u4fb5\u5165\u307e\u305f\u306f\u30ab\u30fc\u30dc\u30f3\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u3092\u793a\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n<h3>\u71b1\u753b\u50cf\uff08\u30b5\u30fc\u30e2\u30b0\u30e9\u30d5\u30a3\u30fc\uff09<\/h3>\n<p>\u30b5\u30fc\u30e2\u30b0\u30e9\u30d5\u30a3\u30fc\u306f\u3001\u7523\u696d\u74b0\u5883\u306b\u304a\u3051\u308b\u6a19\u6e96\u7684\u306a\u4e88\u9632\u4fdd\u5168\u30c4\u30fc\u30eb\u3067\u3059\u3002\u6280\u8853\u8005\u306f\u3001\u8d64\u5916\u7dda\u30ab\u30e1\u30e9\u3092\u4f7f\u7528\u3057\u3066\u3001\u8ca0\u8377\u304c\u304b\u304b\u3063\u305f\u72b6\u614b\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u30d1\u30cd\u30eb\u3092\u30b9\u30ad\u30e3\u30f3\u3057\u307e\u3059\u3002.<\/p>\n<ul>\n<li><strong>\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8<\/strong>: \u9ad8\u62b5\u6297\u306e\u63a5\u7d9a\u306f\u3001\u71b1\u753b\u50cf\u4e0a\u3067\u660e\u308b\u3044\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002.<\/li>\n<li><strong>\u3057\u304d\u3044\u5024<\/strong>: \u5468\u56f2\u6e29\u5ea6\u307e\u305f\u306f\u96a3\u63a5\u3059\u308b\u76f8\u3068\u6bd4\u8f03\u3057\u3066\u3001&gt;15\u00b0C\u301c20\u00b0C\u306e\u6e29\u5ea6\u5dee\uff08\u0394T\uff09\u306f\u3001\u91cd\u5927\u306a\u63a5\u7d9a\u4e0d\u826f\u307e\u305f\u306f\u5185\u90e8\u63a5\u70b9\u306e\u52a3\u5316\u3092\u793a\u3057\u3066\u304a\u308a\u3001\u76f4\u3061\u306b\u4ea4\u63db\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/li>\n<\/ul>\n<h3>\u30bf\u30a4\u30df\u30f3\u30b0\u6e2c\u5b9a\u30c6\u30b9\u30c8<\/h3>\n<p>\u56de\u8def\u906e\u65ad\u5668\u30a2\u30ca\u30e9\u30a4\u30b6\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f <strong>\u958b\u653e\u6642\u9593<\/strong> \uff08\u30c8\u30ea\u30c3\u30d7\u958b\u59cb\u304b\u3089\u63a5\u70b9\u5206\u96e2\u307e\u3067\uff09\u304a\u3088\u3073 <strong>\u906e\u65ad\u6642\u9593<\/strong> \uff08\u30a2\u30fc\u30af\u6d88\u5f27\uff09\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u52d5\u4f5c\u304c\u9045\u3044\u5834\u5408\u306f\u3001\u30b0\u30ea\u30fc\u30b9\u306e\u786c\u5316\u307e\u305f\u306f\u6a5f\u68b0\u7684\u30ea\u30f3\u30b1\u30fc\u30b8\u306e\u6469\u8017\u3092\u793a\u3057\u3066\u304a\u308a\u3001 <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<\/a>.<\/p>\n<h3>\u9759\u7684\u62b5\u6297\u6e2c\u5b9a\uff08\u30c0\u30af\u30bf\u30fc\u30c6\u30b9\u30c8\uff09<\/h3>\n<p>\u3053\u308c\u306b\u306f\u3001\u9589\u3058\u305f\u63a5\u70b9\u306b\u9ad8\u96fb\u6d41\uff08100\u301c200A DC\uff09\u3092\u6ce8\u5165\u3057\u3001\u96fb\u5727\u964d\u4e0b\uff08\u30de\u30a4\u30af\u30ed\u30aa\u30fc\u30e0\u62b5\u6297\uff09\u3092\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u304c\u542b\u307e\u308c\u307e\u3059\u3002.<\/p>\n<ul>\n<li><strong>\u76ee\u7684<\/strong>: \u6a19\u6e96\u7684\u306a\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\u3067\u306f\u4f4e\u3044\u30c6\u30b9\u30c8\u96fb\u6d41\u306e\u305f\u3081\u306b\u691c\u51fa\u3067\u304d\u306a\u3044\u63a5\u70b9\u306e\u8150\u98df\u307e\u305f\u306f\u7de9\u3044\u5185\u90e8\u63a5\u7d9a\u3092\u691c\u51fa\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n<h3>\u30af\u30e9\u30f3\u30d7\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u305f\u8ca0\u8377\u30c6\u30b9\u30c8<\/h3>\n<p>\u3053\u308c\u306f\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u30aa\u30d5\u30e9\u30a4\u30f3\u306b\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u300c\u5f31\u3044\u300d\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u771f\u306e\u904e\u8ca0\u8377\u304b\u3089\u533a\u5225\u3059\u308b\u552f\u4e00\u306e\u6c7a\u5b9a\u7684\u306a\u65b9\u6cd5\u3067\u3059\u3002.<\/p>\n<ul>\n<li><strong>\u624b\u9806<\/strong>: \u30d6\u30ec\u30fc\u30ab\u30fc\u304b\u3089\u51fa\u3066\u3044\u308b\u8ca0\u8377\u7dda\uff08\u6d3b\u7dda\uff09\u306e\u5468\u308a\u306b\u30e1\u30fc\u30bf\u30fc\u3092\u30af\u30e9\u30f3\u30d7\u3057\u307e\u3059\u3002.<\/li>\n<li><strong>\u5206\u6790<\/strong>: \u56de\u8def\u304c\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u72b6\u614b\u3067\u96fb\u6d41\u30c9\u30ed\u30fc\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u300220A\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u3001\u30e1\u30fc\u30bf\u30fc\u304c\u308f\u305a\u304b10A\u3092\u793a\u3059\u3068\u304d\u306b\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u5834\u5408\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u71b1\u7d20\u5b50\u304c\u5f31\u304f\u306a\u3063\u3066\u3044\u308b\uff08\u30c8\u30ea\u30c3\u30d7\u30ab\u30fc\u30d6\u304c\u52a3\u5316\u3057\u3066\u3044\u308b\uff09\u305f\u3081\u3001\u4ea4\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<\/ul>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Professional-circuit-breaker-testing-with-specialized-diagnostic-equipment---VIOX-Electric.webp\" alt=\"Professional circuit breaker testing with specialized diagnostic equipment - VIOX Electric\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 5px; font-size: 0.9em;\">\u7279\u6b8a\u306a\u8a3a\u65ad\u88c5\u7f6e\u3092\u4f7f\u7528\u3057\u305f\u5c02\u9580\u7684\u306a\u56de\u8def\u906e\u65ad\u5668\u30c6\u30b9\u30c8 \u2013 VIOX Electric<\/figcaption><\/figure>\n<h3>\u5c02\u9580\u7684\u306a\u8a3a\u65ad\u30c6\u30fc\u30d6\u30eb<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"5\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u30c6\u30b9\u30c8\u30fb\u30bf\u30a4\u30d7<\/th>\n<th>\u4f7f\u7528\u3055\u308c\u308b\u6a5f\u5668<\/th>\n<th>\u6e2c\u5b9a\u3059\u308b\u3082\u306e<\/th>\n<th>\u8a31\u5bb9\u7bc4\u56f2<\/th>\n<th>\u983b\u5ea6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u7d76\u7e01\u62b5\u6297<\/strong><\/td>\n<td>\u30e1\u30ac\u30fc<\/td>\n<td>\u7d76\u7e01\u8010\u529b<\/td>\n<td>\uff1e50 M\u03a9 (\u4f4e\u96fb\u5727)<\/td>\n<td>3\uff5e5\u5e74\u3054\u3068<\/td>\n<\/tr>\n<tr>\n<td><strong>\u63a5\u89e6\u62b5\u6297<\/strong><\/td>\n<td>\u30df\u30af\u30ed\u30aa\u30fc\u30e0\u30e1\u30fc\u30bf\u30fc<\/td>\n<td>\u4e3b\u63a5\u70b9\u306e\u62b5\u6297<\/td>\n<td>\uff1c100\uff5e200 \u03bc\u03a9 (\u5b9a\u683c\u306b\u3088\u3063\u3066\u7570\u306a\u308b)<\/td>\n<td>1\uff5e3\u5e74\u3054\u3068<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4e00\u6b21\u6ce8\u5165\u8a66\u9a13<\/strong><\/td>\n<td>\u96fb\u6d41\u6ce8\u5165\u5668<\/td>\n<td>\u71b1\u52d5\/\u96fb\u78c1\u30c8\u30ea\u30c3\u30d7\u7279\u6027<\/td>\n<td>\u30c8\u30ea\u30c3\u30d7\u30ab\u30fc\u30d6\u306e\u8a31\u5bb9\u7bc4\u56f2\u5185<\/td>\n<td>\u8a66\u904b\u8ee2\/\u4fee\u7406\u5f8c<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30bf\u30a4\u30df\u30f3\u30b0\u30c6\u30b9\u30c8<\/strong><\/td>\n<td>\u30a2\u30ca\u30e9\u30a4\u30b6\u30fc<\/td>\n<td>\u30e1\u30ab\u30cb\u30ba\u30e0\u901f\u5ea6<\/td>\n<td>\u4ed5\u69d8\u901a\u308a\u306e\u30df\u30ea\u79d2 (ms)<\/td>\n<td>\u91cd\u8981\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u56de\u8def\u906e\u65ad\u5668\u8b58\u5225\u30c4\u30fc\u30eb<\/h2>\n<p>\u8a66\u9a13\u3092\u958b\u59cb\u3059\u308b\u524d\u306b\u3001\u7279\u5b9a\u306e <strong>\u6f0f\u96fb\u30d6\u30ec\u30fc\u30ab\u30fc<\/strong> \u6545\u969c\u3057\u305f\u30b3\u30f3\u30bb\u30f3\u30c8\u306b\u7d66\u96fb\u3057\u3066\u3044\u308b\u56de\u8def\u3092\u6b63\u3057\u304f\u7279\u5b9a\u3059\u308b\u3053\u3068\u304c\u5fc5\u9808\u3067\u3059\u3002\u30e9\u30d9\u30eb\u304c\u6574\u7406\u3055\u308c\u3066\u3044\u306a\u3044\u5546\u696d\u65bd\u8a2d\u3067\u306f\u3001\u3053\u308c\u306f\u56f0\u96e3\u3067\u3059\u3002.<\/p>\n<p><strong>\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u30d5\u30a1\u30a4\u30f3\u30c0\u30fc<\/strong> \u30b3\u30f3\u30bb\u30f3\u30c8\u306b\u5dee\u3057\u8fbc\u3093\u3060\u9001\u4fe1\u6a5f\u3068\u3001\u30d1\u30cd\u30eb\u4e0a\u3067\u30b9\u30ad\u30e3\u30f3\u3059\u308b\u53d7\u4fe1\u6a5f\u30ef\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u53d7\u4fe1\u6a5f\u304c\u6b63\u3057\u3044\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u901a\u904e\u3059\u308b\u3068\u3001\u9001\u4fe1\u6a5f\u304b\u3089\u6ce8\u5165\u3055\u308c\u305f\u4fe1\u53f7\u3092\u691c\u51fa\u3057\u307e\u3059\u3002Extech CB10\u307e\u305f\u306f\u540c\u7b49\u306e\u7523\u696d\u7528\u30c8\u30ec\u30fc\u30b5\u30fc\u306a\u3069\u306e\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u30e2\u30c7\u30eb\u3067\u306f\u3001\u611f\u5ea6\u8abf\u6574\u306b\u3088\u308a\u3001\u96a3\u63a5\u3059\u308b\u30d6\u30ec\u30fc\u30ab\u30fc\u304b\u3089\u306e\u300c\u30b4\u30fc\u30b9\u30c8\u300d\u4fe1\u53f7\u3092\u9664\u53bb\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4f5c\u696d\u958b\u59cb\u524d\u306b\u8aa4\u3063\u305f\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u30aa\u30d5\u306b\u3059\u308b\u3068\u3044\u3046\u5371\u967a\u306a\u30a8\u30e9\u30fc\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Circuit-breaker-finder-tool-usage-diagram-for-accurate-breaker-identification---VIOX-Electric.webp\" alt=\"Circuit breaker finder tool usage diagram for accurate breaker identification - VIOX Electric\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 5px; font-size: 0.9em;\">\u6b63\u78ba\u306a\u30d6\u30ec\u30fc\u30ab\u30fc\u8b58\u5225\u306e\u305f\u3081\u306e\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u30d5\u30a1\u30a4\u30f3\u30c0\u30fc\u30c4\u30fc\u30eb\u306e\u4f7f\u7528\u56f3 - VIOX Electric<\/figcaption><\/figure>\n<h2>\u5c02\u9580\u306e\u96fb\u6c17\u6280\u5e2b\u306b\u9023\u7d61\u3059\u308b\u6642\u671f<\/h2>\n<p>DIY\u30c6\u30b9\u30c8\u306f\u521d\u671f\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u5f79\u7acb\u3061\u307e\u3059\u304c\u3001\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u306f\u81f4\u547d\u7684\u306a\u53ef\u80fd\u6027\u3092\u79d8\u3081\u3066\u3044\u307e\u3059\u3002\u7dca\u6025\u306e\u8b66\u544a\u30b5\u30a4\u30f3\u304c\u898b\u3089\u308c\u308b\u5834\u5408\u306f\u3001\u76f4\u3061\u306b\u8cc7\u683c\u306e\u3042\u308b\u5c02\u9580\u5bb6\u306b\u9023\u7d61\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u76ee\u306b\u898b\u3048\u308b\u30a2\u30fc\u30af\u307e\u305f\u306f\u30b9\u30d1\u30fc\u30af<\/strong>\uff1a\u91cd\u5927\u306a\u5c01\u3058\u8fbc\u3081\u5931\u6557\u3092\u793a\u3057\u307e\u3059\u3002.<\/li>\n<li><strong>\u30d1\u30cd\u30eb\u524d\u9762\u306e\u904e\u71b1<\/strong>\uff1a\u30d1\u30cd\u30eb\u306e\u91d1\u5c5e\u30ab\u30d0\u30fc\u304c\u71b1\u3044\u5834\u5408\u3001\u30d0\u30b9\u30d0\u30fc\u304c\u904e\u71b1\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<li><strong>\u30e1\u30a4\u30f3\u30d5\u30a3\u30fc\u30c0\u30fc\u7dda\u306e\u6469\u8017<\/strong>\uff1a\u30b5\u30fc\u30d3\u30b9\u30a8\u30f3\u30c8\u30e9\u30f3\u30b9\u30b1\u30fc\u30d6\u30eb\u306b\u89e6\u308c\u305f\u308a\u3001\u4fee\u7406\u3092\u8a66\u307f\u305f\u308a\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ul>\n<p><strong>\u91cd\u8981\u306a\u8b66\u544a\uff1a\u96fb\u6c17\u30d1\u30cd\u30eb\u304cFederal Pacific Electric\uff08FPE\uff09\u3001Zinsco\u3001\u307e\u305f\u306f1990\u5e74\u4ee5\u524d\u306b\u88fd\u9020\u3055\u308c\u305fChallenger\u30d6\u30e9\u30f3\u30c9\u306e\u5834\u5408\u3001\u30c6\u30b9\u30c8\u3092\u8a66\u307f\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306e\u30d1\u30cd\u30eb\u306f\u300125\uff05\u3092\u8d85\u3048\u308b\u6545\u969c\u7387\u304c\u8a18\u9332\u3055\u308c\u3066\u304a\u308a\u3001\u8cc7\u683c\u306e\u3042\u308b\u96fb\u6c17\u6280\u5e2b\u304c\u76f4\u3061\u306b\u4ea4\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u306e\u30c6\u30b9\u30c8\u624b\u9806\u306f\u3001\u3053\u308c\u3089\u306e\u5371\u967a\u306a\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u9069\u7528\u3055\u308c\u307e\u305b\u3093\u3002.<\/strong><\/p>\n<p>\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u4ea4\u63db\u3059\u308b\u969b\u306f\u3001\u30d1\u30cd\u30eb\u30e1\u30fc\u30ab\u30fc\u304a\u3088\u3073\u30d0\u30b9\u30d0\u30fc\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u4e92\u63db\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002VIOX\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3001IEC 60947\u304a\u3088\u3073UL 489\u898f\u683c\u306b\u53b3\u5bc6\u306b\u6e96\u62e0\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u7523\u696d\u304a\u3088\u3073\u5546\u696d\u7528\u9014\u306b\u304a\u3051\u308b\u8001\u673d\u5316\u3057\u305f\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p>\u3055\u3089\u306b\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u304c40\u5e74\u4ee5\u4e0a\u7d4c\u904e\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5c02\u9580\u5bb6\u306b\u3088\u308b\u4ea4\u63db\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u5730\u57df\u306e\u898f\u5b9a\u3078\u306e\u6e96\u62e0\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u306f\u3001\u4fdd\u967a\u3068\u5b89\u5168\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u4ea4\u63db\u54c1\u3092\u8abf\u9054\u3057\u305f\u3044\u65b9\u306b\u3068\u3063\u3066\u3001VIOX\u306f\u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9\u306e\u30ea\u30fc\u30c0\u30fc\u3067\u3059\u3002\u5f53\u793e\u306e\u30e9\u30f3\u30ad\u30f3\u30b0\u306f\u4ee5\u4e0b\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002 <a href=\"https:\/\/test.viox.com\/ja\/top-10-circuit-breaker-manufacturers-in-china\/\">\u4e2d\u56fd\u306e\u30c8\u30c3\u30d710\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u30e1\u30fc\u30ab\u30fc<\/a>.<\/p>\n<h2>\u3088\u304f\u3042\u308b\u3054\u8cea\u554f<\/h2>\n<p><strong>Q: \u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5bff\u547d\u306f\u901a\u5e38\u3069\u306e\u304f\u3089\u3044\u3067\u3059\u304b\uff1f<\/strong><br \/>\nA: \u6a19\u6e96\u7684\u306a\u30e2\u30fc\u30eb\u30c9\u30b1\u30fc\u30b9\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\uff08MCCB\uff09\u304a\u3088\u3073MCB\u306f\u3001\u901a\u5e38\u306e\u52d5\u4f5c\u6761\u4ef6\u4e0b\u3067\u306f\u901a\u5e3830\u301c40\u5e74\u6301\u7d9a\u3057\u307e\u3059\u304c\u3001\u9ad8\u6e7f\u5ea6\u307e\u305f\u306f\u983b\u7e41\u306a\u30c8\u30ea\u30c3\u30d7\u306b\u3088\u308a\u3001\u3053\u306e\u5bff\u547d\u306f\u5927\u5e45\u306b\u77ed\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>Q: \u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u30c8\u30ea\u30c3\u30d7\u305b\u305a\u306b\u6545\u969c\u3059\u308b\u53ef\u80fd\u6027\u306f\u3042\u308a\u307e\u3059\u304b\uff1f<\/strong><br \/>\nA: \u306f\u3044\u3002\u3053\u308c\u306f\u300c\u30d5\u30a7\u30a4\u30eb\u30af\u30ed\u30fc\u30ba\u300d\u72b6\u614b\u3068\u3057\u3066\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u5185\u90e8\u6a5f\u69cb\u304c\u8a70\u307e\u3063\u305f\u308a\u3001\u63a5\u70b9\u304c\u6eb6\u7740\u3057\u305f\u308a\u3057\u3066\u3001\u904e\u8ca0\u8377\u6642\u3067\u3082\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u958b\u304b\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u6700\u3082\u5371\u967a\u306a\u30bf\u30a4\u30d7\u306e\u6545\u969c\u3067\u3059\u3002.<\/p>\n<p><strong>Q: \u3069\u306e\u3088\u3046\u306a\u96fb\u5727\u6e2c\u5b9a\u5024\u304c\u4e0d\u826f\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u793a\u3057\u307e\u3059\u304b\uff1f<\/strong><br \/>\nA: \u30d6\u30ec\u30fc\u30ab\u30fc\u304cON\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u7aef\u5b50\u3068\u30cb\u30e5\u30fc\u30c8\u30e9\u30eb\u30d0\u30b9\u306e\u9593\u30670V\uff08\u307e\u305f\u306f\u5b9a\u683c\u96fb\u5727\u3088\u308a\u3082\u5927\u5e45\u306b\u4f4e\u3044\u96fb\u5727\u3001\u305f\u3068\u3048\u3070120V\u56de\u8def\u306760V\uff09\u3092\u6e2c\u5b9a\u3057\u305f\u5834\u5408\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u4e0d\u826f\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>Q: AC\u30d6\u30ec\u30fc\u30ab\u30fc\u3068DC\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u6545\u969c\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong><br \/>\nA: DC\u30a2\u30fc\u30af\u306f\u3001\u30bc\u30ed\u30af\u30ed\u30b9\u30dd\u30a4\u30f3\u30c8\u304c\u306a\u3044\u305f\u3081\u3001AC\u30a2\u30fc\u30af\u3088\u308a\u3082\u6d88\u5f27\u304c\u56f0\u96e3\u3067\u3059\u3002DC\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3001\u30a2\u30fc\u30af\u30b7\u30e5\u30fc\u30c8\u306e\u52a3\u5316\u306b\u3088\u308a\u6545\u969c\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u3092\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/test.viox.com\/ja\/what-is-a-dc-circuit-breaker\/\">DC\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3068\u306f<\/a>.<\/p>\n<p><strong>Q: \u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u81ea\u5206\u3067\u30c6\u30b9\u30c8\u3057\u3066\u3082\u5b89\u5168\u3067\u3059\u304b\uff1f<\/strong><br \/>\nA: \u57fa\u672c\u7684\u306a\u76ee\u8996\u30c1\u30a7\u30c3\u30af\u3068\u5c0e\u901a\u30c6\u30b9\u30c8\uff08\u96fb\u6e90\u304c\u5207\u308c\u305f\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5834\u5408\uff09\u306f\u3001\u6709\u80fd\u306a\u500b\u4eba\u306b\u3068\u3063\u3066\u5b89\u5168\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u6d3b\u7dda\u30d1\u30cd\u30eb\u3067\u306e\u96fb\u5727\u30c6\u30b9\u30c8\u306b\u306f\u3001\u9069\u5207\u306aPPE\u3068\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u304c\u5fc5\u8981\u3067\u3059\u3002\u4e0d\u660e\u306a\u5834\u5408\u306f\u3001\u5fc5\u305a\u5c02\u9580\u5bb6\u3092\u96c7\u3063\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p><strong>Q: MCB\u3068MCCB\u306e\u6545\u969c\u30e2\u30fc\u30c9\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong><br \/>\nA: MCB\u306f\u6a5f\u68b0\u7684\u306b\uff08\u30b9\u30d7\u30ea\u30f3\u30b0\/\u30e9\u30c3\u30c1\uff09\u6545\u969c\u3059\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3088\u308a\u9ad8\u3044\u96fb\u6d41\u3092\u51e6\u7406\u3059\u308bMCCB\u306f\u3001\u63a5\u70b9\u306e\u6469\u8017\u3084\u96fb\u5b50\u30c8\u30ea\u30c3\u30d7\u30e6\u30cb\u30c3\u30c8\u306e\u6545\u969c\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>According to the Electrical Safety Foundation International (ESFI), electrical malfunctions cause approximately 51,000 structure fires annually in the U.S. alone, resulting in over $1.3 billion in property damage. At the heart of every electrical system\u2019s defense strategy is the circuit breaker\u2014a device designed to interrupt current flow during faults. However, when a circuit breaker fails to operate correctly, it transforms from a safety device into a silent hazard. Identifying a bad circuit breaker before catastrophic failure occurs is a critical skill for facility managers and electrical professionals. Unlike a blown fuse which clearly indicates interruption, a malfunctioning breaker may appear normal while secretly allowing dangerous overcurrents to persist. This guide [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18446,"comment_status":"closed","ping_status":"open","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-18442","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\/18442","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=18442"}],"version-history":[{"count":2,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/18442\/revisions"}],"predecessor-version":[{"id":21157,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/18442\/revisions\/21157"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media\/18446"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media?parent=18442"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/categories?post=18442"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/tags?post=18442"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}