{"id":15201,"date":"2025-04-08T20:15:10","date_gmt":"2025-04-08T12:15:10","guid":{"rendered":"https:\/\/viox.com\/?p=15201"},"modified":"2026-04-02T11:29:23","modified_gmt":"2026-04-02T03:29:23","slug":"dc-isolator-vs-dc-circuit-breaker-complete-comparison-guide","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ja\/dc-isolator-vs-dc-circuit-breaker-complete-comparison-guide\/","title":{"rendered":"\u592a\u967d\u5149\u767a\u96fb\u63a5\u7d9a\u7bb1\u306b\u304a\u3051\u308bDC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u3068DC\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\uff1a\u7570\u306a\u308b\u5f79\u5272\u3001\u7570\u306a\u308b\u30ea\u30b9\u30af"},"content":{"rendered":"<div class=\"product-intro\">\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Inside-a-solar-combiner-box-showing-DC-breakers-and-an-output-side-DC-isolator.webp\" alt=\"Inside a solar combiner box showing DC breakers and an output-side DC isolator\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"margin-top: 8px; color: #555;\"><i>\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u5185\u90e8\uff1a\u30b9\u30c8\u30ea\u30f3\u30b0\u4fdd\u8b77\u306b\u4f7f\u7528\u3055\u308c\u308bDC\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u3068\u3001\u624b\u52d5\u5207\u65ad\u7528\u306e\u4e3b\u51fa\u529b\u5074DC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u3092\u793a\u3059\u660e\u78ba\u306a\u5185\u90e8\u56f3\u3002.<\/i><\/figcaption><\/figure>\n<p>\u3059\u3079\u3066\u306e\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u5185\u90e8\u306b\u306f\u30012\u7a2e\u985e\u306eDC\u958b\u9589\u88c5\u7f6e\u304c\u7e70\u308a\u8fd4\u3057\u73fe\u308c\u307e\u3059\u304c\u3001\u3053\u308c\u3089\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u305b\u3093\u3002A <strong>DC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc<\/strong> \u306f\u3001\u4e3b\u306b\u6280\u8853\u8005\u304c\u30b7\u30b9\u30c6\u30e0\u3092\u5b89\u5168\u306b\u4fdd\u5b88\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u624b\u52d5\u306b\u3088\u308b\u610f\u56f3\u7684\u306a\u7d76\u7e01\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u3042\u308a\u307e\u3059\u3002A <strong>DC\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc<\/strong> \u306f\u3001\u4e3b\u306b\u904e\u96fb\u6d41\u307e\u305f\u306f\u77ed\u7d61\u72b6\u614b\u3092\u691c\u51fa\u3057\u3001\u56de\u8def\u3092\u81ea\u52d5\u7684\u306b\u906e\u65ad\u3059\u308b\u305f\u3081\u306b\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u3053\u308c\u3089\u306f\u7570\u306a\u308b\u30ea\u30b9\u30af\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u4fdd\u8b77\u968e\u5c64\u306e\u7570\u306a\u308b\u90e8\u5206\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u8a2d\u8a08\u8005\u304c\u305d\u308c\u3089\u306e\u5883\u754c\u7dda\u3092\u66d6\u6627\u306b\u3059\u308b\u3068\u3001\u305d\u306e\u7d50\u679c\u306f\u901a\u5e38\u3001\u5c0f\u3055\u306a\u4e8b\u52d9\u51e6\u7406\u4e0a\u306e\u554f\u984c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u306f\u3001\u8aa4\u4f5c\u52d5\u3001\u8106\u5f31\u306a\u6545\u969c\u4fdd\u8b77\u3001\u6271\u3044\u306b\u304f\u3044\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u624b\u9806\u3001\u307e\u305f\u306f\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u5185\u90e8\u3067\u306e\u6301\u7d9a\u7684\u306aDC\u30a2\u30fc\u30af\u3068\u3057\u3066\u73fe\u308c\u307e\u3059\u3002.<\/p>\n<p>\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u5404\u30c7\u30d0\u30a4\u30b9\u304cPV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u3069\u3053\u306b\u5c5e\u3057\u3066\u3044\u308b\u304b\u3001\u306a\u305c\u591a\u304f\u306e\u30dc\u30c3\u30af\u30b9\u304c\u4e21\u65b9\u306e <strong>\u6a5f\u80fd<\/strong>, \u3092\u5fc5\u8981\u3068\u3059\u308b\u306e\u304b\u3001\u305d\u3057\u3066\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u983b\u7e41\u306b\u767a\u751f\u3059\u308b\u9078\u629e\u30df\u30b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n<p>\u3088\u308a\u5e83\u3044\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u6700\u521d\u306b\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001 <a href=\"https:\/\/test.viox.com\/ja\/combiner-box\/\">\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u88fd\u54c1\u30da\u30fc\u30b8<\/a> \u307e\u305f\u306f\u3001 <a href=\"https:\/\/test.viox.com\/ja\/what-does-a-solar-combiner-box-do\/\">\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u6a5f\u80fd<\/a>. \u306b\u95a2\u3059\u308b\u89e3\u8aac\u304b\u3089\u59cb\u3081\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30dc\u30c3\u30af\u30b9\u5185\u90e8\u306e\u30c7\u30d0\u30a4\u30b9\u306e\u5f79\u5272\u306e\u5883\u754c\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h2>\u76f4\u63a5\u56de\u7b54<\/h2>\n<p>A <strong>DC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc<\/strong> \u306f <strong>\u624b\u52d5\u7d76\u7e01\u3068\u5b89\u5168\u306a\u906e\u65ad<\/strong>. \u306b\u95a2\u3059\u308b\u6226\u7565\u7684\u306a\u6c7a\u5b9a\u3067\u3059\u3002 <strong>DC\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc<\/strong> \u306f <strong>\u81ea\u52d5\u904e\u96fb\u6d41\u906e\u65ad<\/strong>.<\/p>\n<p>\u306e\u305f\u3081\u306e\u3082\u306e\u3067\u3059\u3002PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u3067\u306f\u3001\u901a\u5e38\u3001\u6b21\u306e\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30e1\u30a4\u30f3\u63a5\u70b9 <strong>\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u6a5f\u80fd<\/strong> \u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3001\u30ed\u30c3\u30af\u30a2\u30a6\u30c8\u3001\u304a\u3088\u3073\u30ed\u30fc\u30ab\u30eb\u906e\u65ad\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059<\/li>\n<li>\u30e1\u30a4\u30f3\u63a5\u70b9 <strong>\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u6a5f\u80fd<\/strong> \u6545\u969c\u72b6\u614b\u4e0b\u3067\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u307e\u305f\u306f\u30d5\u30a3\u30fc\u30c0\u30fc\u4fdd\u8b77\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059<\/li>\n<\/ul>\n<p>1\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u3001\u305d\u306e\u30ea\u30b9\u30c8\u3001\u30de\u30fc\u30ad\u30f3\u30b0\u3001\u304a\u3088\u3073\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u8a31\u53ef\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u8907\u6570\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u8a2d\u8a08\u8005\u306f\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u81ea\u52d5\u7684\u306b\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u3092\u7f6e\u304d\u63db\u3048\u308b\u3001\u307e\u305f\u306f\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u304c\u4f55\u3089\u304b\u306e\u5f62\u3067\u904e\u96fb\u6d41\u4fdd\u8b77\u3092\u7f6e\u304d\u63db\u3048\u308b\u3068\u3044\u3046\u524d\u63d0\u304b\u3089\u59cb\u3081\u308b\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<h2>\u30b3\u30a2\u6bd4\u8f03\uff1a\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306b\u304a\u3051\u308bDC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u3068DC\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc<\/h2>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Technical-infographic-comparing-DC-isolators-and-DC-circuit-breakers-in-solar-combiner-boxes.webp\" alt=\"Technical infographic comparing DC isolators and DC circuit breakers in solar combiner boxes\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"margin-top: 8px; color: #555;\"><i>\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u6bd4\u8f03\uff1aPV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3051\u308bDC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\uff08\u30b9\u30a4\u30c3\u30c1-\u65ad\u8def\u5668\uff09\u3068DC\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\uff08DC-MCB\uff09\u306e\u5c5e\u6027\u3092\u5bfe\u6bd4\u3057\u305f\u8a73\u7d30\u306a\u5185\u8a33\u3002.<\/i><\/figcaption><\/figure>\n<table border=\"1\" style=\"border-collapse: collapse; width: 100%; text-align: left;\">\n<thead>\n<tr>\n<th style=\"padding: 10px;\">\u7279\u5fb4<\/th>\n<th style=\"padding: 10px;\">DC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc<\/th>\n<th style=\"padding: 10px;\">DC\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px;\"><strong>\u4e3b\u306a\u5f79\u5272<\/strong><\/td>\n<td style=\"padding: 10px;\">\u624b\u52d5\u906e\u65ad\u304a\u3088\u3073\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u7d76\u7e01<\/td>\n<td style=\"padding: 10px;\">\u81ea\u52d5\u904e\u96fb\u6d41\u304a\u3088\u3073\u77ed\u7d61\u4fdd\u8b77<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px;\"><strong>\u624b\u52d5\u7d76\u7e01<\/strong><\/td>\n<td style=\"padding: 10px;\">\u306f\u3044\u3001\u3053\u308c\u304c\u4e3b\u306a\u76ee\u7684\u3067\u3059<\/td>\n<td style=\"padding: 10px;\">\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u53ef\u80fd\u3067\u3059\u304c\u3001\u901a\u5e38\u306f\u6307\u5b9a\u3055\u308c\u308b\u6700\u521d\u306e\u7406\u7531\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px;\"><strong>\u904e\u96fb\u6d41\u4fdd\u8b77<\/strong><\/td>\n<td style=\"padding: 10px;\">\u306a\u3057<\/td>\n<td style=\"padding: 10px;\">\u3042\u308a<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px;\"><strong>\u7d76\u7e01\u8868\u793a<\/strong><\/td>\n<td style=\"padding: 10px;\">\u901a\u5e38\u3001\u660e\u78ba\u3067\u610f\u56f3\u7684\u306a\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u4f4d\u7f6e\u3068\u30ed\u30c3\u30af\u53ef\u80fd\u306a\u30b5\u30fc\u30d3\u30b9\u72b6\u614b\u3092\u63d0\u4f9b\u3057\u307e\u3059<\/td>\n<td style=\"padding: 10px;\">\u30cf\u30f3\u30c9\u30eb\u306e\u4f4d\u7f6e\u306f\u3001\u5c02\u7528\u306e\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u3068\u540c\u3058\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u4fe1\u983c\u6027\u3092\u5e38\u306b\u4e0e\u3048\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px;\"><strong>\u8ca0\u8377\u906e\u65ad\u80fd\u529b<\/strong><\/td>\n<td style=\"padding: 10px;\">\u30b9\u30a4\u30c3\u30c1-\u65ad\u8def\u5668\u306e\u5b9a\u683c\u304a\u3088\u3073PV DC\u30c7\u30e5\u30fc\u30c6\u30a3\u306b\u4f9d\u5b58\u3057\u307e\u3059<\/td>\n<td style=\"padding: 10px;\">\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u8a2d\u8a08\u3001DC\u5b9a\u683c\u3001\u304a\u3088\u3073\u906e\u65ad\u30c7\u30e5\u30fc\u30c6\u30a3\u306b\u4f9d\u5b58\u3057\u307e\u3059<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px;\"><strong>\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u5185\u306e\u5178\u578b\u7684\u306a\u5834\u6240<\/strong><\/td>\n<td style=\"padding: 10px;\">\u591a\u304f\u306e\u5834\u5408\u3001\u7d50\u5408\u3055\u308c\u305f\u51fa\u529b\u307e\u305f\u306f\u30ed\u30fc\u30ab\u30eb\u906e\u65ad\u30dd\u30a4\u30f3\u30c8\u306b\u3042\u308a\u307e\u3059<\/td>\n<td style=\"padding: 10px;\">\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u5fdc\u3058\u3066\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u30ec\u30d9\u30eb\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u30b0\u30eb\u30fc\u30d7\u30ec\u30d9\u30eb\u3001\u307e\u305f\u306f\u7d50\u5408\u3055\u308c\u305f\u51fa\u529b\u4fdd\u8b77\u30dd\u30a4\u30f3\u30c8\u306b\u3042\u308a\u307e\u3059<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px;\"><strong>\u4e21\u65b9\u304c\u5fc5\u8981\u306a\u5834\u5408<\/strong><\/td>\n<td style=\"padding: 10px;\">\u30dc\u30c3\u30af\u30b9\u304c\u5b89\u5168\u306a\u624b\u52d5\u7d76\u7e01\u3068\u81ea\u52d5\u6545\u969c\u4fdd\u8b77\u306e\u4e21\u65b9\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408<\/td>\n<td style=\"padding: 10px;\">\u540c\u3058<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u91cd\u8981\u306a\u70b9\u306f\u5358\u7d14\u3067\u3059\u3002\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u306f\u4e3b\u306b <strong>\u4eba\u3068\u30b5\u30fc\u30d3\u30b9\u4f5c\u696d\u306e\u305f\u3081\u306e\u5236\u5fa1\u3055\u308c\u305f\u906e\u65ad<\/strong>. \u306b\u95a2\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u4e3b\u306b <strong>\u904b\u8ee2\u4e2d\u306e\u4fdd\u8b77\u906e\u65ad<\/strong>.<\/p>\n<h2>\u306b\u95a2\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u304c\u4e21\u65b9\u306e\u6a5f\u80fd\u3092\u5fc5\u8981\u3068\u3059\u308b\u7406\u7531<\/h2>\n<p>PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306f\u3001DC\u51fa\u529b\u304c\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u307e\u305f\u306f\u5225\u306e\u53ce\u96c6\u30dd\u30a4\u30f3\u30c8\u306b\u9001\u3089\u308c\u308b\u524d\u306b\u3001\u8907\u6570\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u307e\u3068\u3081\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30012\u3064\u306e\u7570\u306a\u308b\u8a2d\u8a08\u4e0a\u306e\u554f\u984c\u304c\u751f\u3058\u307e\u3059\u3002<\/p>\n<h3>\u554f\u984c1\uff1a\u6545\u969c\u304a\u3088\u3073\u9006\u96fb\u6d41\u3078\u306e\u66b4\u9732<\/h3>\n<p>\u8907\u6570\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u304c\u4e26\u5217\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u6545\u969c\u3057\u305f\u30b9\u30c8\u30ea\u30f3\u30b0\u306f\u3001\u5065\u5168\u306a\u30b9\u30c8\u30ea\u30f3\u30b0\u304b\u3089\u306e\u9006\u96fb\u6d41\u306b\u3055\u3089\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3068\u30b3\u30fc\u30c9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u305d\u308c\u3092\u8981\u6c42\u3059\u308b\u3068\u3001\u904e\u96fb\u6d41\u4fdd\u8b77\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002NEC\u30d9\u30fc\u30b9\u306e\u8a2d\u8a08\u3067\u306f\u3001\u3053\u306e\u8b70\u8ad6\u306f <strong>690.9 \u904e\u96fb\u6d41\u4fdd\u8b77<\/strong>. \u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002IEC\u30d9\u30fc\u30b9\u306e\u8a2d\u8a08\u3067\u306f\u3001\u540c\u3058\u30ed\u30b8\u30c3\u30af\u304cPV\u30a2\u30ec\u30a4\u306e\u30bd\u30fc\u30b9\u56de\u8def\u4fdd\u8b77\u898f\u5247\u306b\u73fe\u308c\u307e\u3059\u3002.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Technical-diagram-showing-per-string-protection-and-output-isolation-inside-a-solar-combiner-box.webp\" alt=\"Technical diagram showing per-string protection and output isolation inside a solar combiner box\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"margin-top: 8px; color: #555;\"><i>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56f3\uff1a\u9006\u96fb\u6d41\u306e\u6d41\u308c\u306e\u6545\u969c\u30b7\u30ca\u30ea\u30aa\u3068\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u3054\u3068\u306e\u4fdd\u8b77\u3068\u51fa\u529b\u7d76\u7e01\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u30b7\u30b9\u30c6\u30e0\u3092\u4fdd\u8b77\u3059\u308b\u65b9\u6cd5\u3092\u8996\u899a\u5316\u3057\u307e\u3059\u3002.<\/i><\/figcaption><\/figure>\n<p>\u305d\u306e\u904e\u96fb\u6d41\u306e\u5f79\u5272\u306f\u3001\u6b21\u306e\u3044\u305a\u308c\u304b\u306b\u3088\u3063\u3066\u51e6\u7406\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30b9\u30c8\u30ea\u30f3\u30b0\u30d2\u30e5\u30fc\u30ba<\/li>\n<li>DC\u30d6\u30ec\u30fc\u30ab\u30fc<\/li>\n<li>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u6a19\u6e96\u3067\u53d7\u3051\u5165\u308c\u3089\u308c\u3066\u3044\u308b\u5225\u306e\u4fdd\u8b77\u914d\u7f6e<\/li>\n<\/ul>\n<p><strong>\u30c8:<\/strong> NEC\u30b9\u30bf\u30a4\u30eb\u306ePV\u8a2d\u8a08\u3067\u306f\u3001\u7c21\u5358\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30a7\u30c3\u30af\u3068\u3057\u3066\u3001\u6545\u969c\u3057\u305f\u56de\u8def\u306e\u66b4\u9732\u3092\u3001\u6b8b\u308a\u306e\u4e26\u5217\u30b9\u30c8\u30ea\u30f3\u30b0\u304b\u3089\u5229\u7528\u53ef\u80fd\u306a\u9006\u96fb\u6d41\u3068\u6bd4\u8f03\u3057\u307e\u3059\u300212\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u3067\u306f\u3001\u6545\u969c\u3057\u305f\u30b9\u30c8\u30ea\u30f3\u30b0\u306f\u3001\u304a\u304a\u3088\u305d <strong>11 x Isc<\/strong> \u306e\u9006\u96fb\u6d41\u306b\u3055\u3089\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u8a2d\u8a08\u8005\u306f1\u3064\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u3060\u3051\u3092\u898b\u3066\u4fdd\u8b77\u306e\u30b5\u30a4\u30ba\u3092\u6c7a\u5b9a\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002.<\/p>\n<p>\u3088\u308a\u5e83\u3044\u9023\u643a\u306e\u5168\u4f53\u50cf\u3092\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001, <a href=\"https:\/\/test.viox.com\/ja\/solar-combiner-box-protection-design\/\">\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u4fdd\u8b77\u8a2d\u8a08<\/a> \u304c\u6700\u3082\u8fd1\u3044\u30b5\u30dd\u30fc\u30c8\u30da\u30fc\u30b8\u3067\u3059\u3002.<\/p>\n<h3>\u554f\u984c2\uff1a\u30b5\u30fc\u30d3\u30b9\u306e\u305f\u3081\u306e\u5b89\u5168\u306a\u975e\u901a\u96fb\u5316<\/h3>\n<p>\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u304c\u4f5c\u52d5\u3057\u305f\u5f8c\u3067\u3082\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u62c5\u5f53\u8005\u306f\u3001\u4f5c\u696d\u306e\u305f\u3081\u306b\u30dc\u30c3\u30af\u30b9\u3092\u9694\u96e2\u3059\u308b\u305f\u3081\u306e\u610f\u56f3\u7684\u306a\u65b9\u6cd5\u3092\u4f9d\u7136\u3068\u3057\u3066\u5fc5\u8981\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u30bd\u30fc\u30e9\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u65e5\u5c04\u304c\u3042\u308b\u9650\u308a\u96fb\u5727\u3092\u751f\u6210\u3057\u7d9a\u3051\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30b5\u30fc\u30d3\u30b9\u624b\u9806\u3067\u306f\u3001\u30c8\u30ea\u30c3\u30d7\u30a4\u30d9\u30f3\u30c8\u3060\u3051\u3067\u306a\u304f\u3001\u9069\u5207\u306a\u906e\u65ad\u624b\u6bb5\u304c\u4f9d\u7136\u3068\u3057\u3066\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n<p>\u7c73\u56fd\u3067\u306f\u3001\u305d\u308c\u306f\u306b\u7d50\u3073\u3064\u3044\u3066\u3044\u307e\u3059 <strong>NEC 690.13<\/strong> \u304a\u3088\u3073\u95a2\u9023\u3059\u308b\u906e\u65ad\u624b\u6bb5\u306e\u8981\u4ef6\u3002IEC\u30d9\u30fc\u30b9\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u540c\u69d8\u306e\u671f\u5f85\u304c\u3001\u6b21\u306e\u3088\u3046\u306aPV\u7d76\u7e01\u8981\u4ef6\u3092\u901a\u3058\u3066\u73fe\u308c\u307e\u3059\u3002 <strong>IEC 60364-7-712<\/strong>. \u30aa\u30fc\u30b9\u30c8\u30e9\u30ea\u30a2\u3068\u30cb\u30e5\u30fc\u30b8\u30fc\u30e9\u30f3\u30c9\u3067\u306f\u3001, <strong>AS\/NZS 5033<\/strong> PV DC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u306e\u5f79\u5272\u3068\u914d\u7f6e\u306b\u3064\u3044\u3066\u3001\u3055\u3089\u306b\u660e\u78ba\u306b\u898f\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p><strong>\u30c8:<\/strong> \u7d76\u7e01\u306e\u9078\u629e\u306f\u3001\u6b21\u306e\u70b9\u306b\u3082\u5f93\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 <strong>\u30b3\u30fc\u30eb\u30c9\u88dc\u6b63\u3055\u308c\u305f\u958b\u653e\u96fb\u5727<\/strong>, \u516c\u79f0\u30b7\u30b9\u30c6\u30e0\u30e9\u30d9\u30eb\u3060\u3051\u3067\u306a\u304f\u3002PV\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u96fb\u5727\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u6e29\u5ea6\u304c\u4f4e\u4e0b\u3059\u308b\u306b\u3064\u308c\u3066\u4e0a\u6607\u3059\u308b\u305f\u3081\u3001STC Voc\u306b\u8fd1\u3059\u304e\u308b\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u3092\u9078\u629e\u3059\u308b\u3068\u3001\u7d19\u9762\u4e0a\u3067\u306f\u8a31\u5bb9\u7bc4\u56f2\u306b\u898b\u3048\u3066\u3082\u3001\u5bd2\u3044\u671d\u306b\u306f\u5b9a\u683c\u3092\u4e0b\u56de\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u5b9f\u969b\u7684\u306a\u7d50\u8ad6\u3068\u3057\u3066\u3001\u591a\u304f\u306e\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306b\u306f\u6b21\u306e\u4e21\u65b9\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<ul>\n<li>\uff5e <strong>\u904e\u96fb\u6d41\u4fdd\u8b77\u6a5f\u80fd<\/strong><\/li>\n<li>\uff5e <strong>\u7d76\u7e01\/\u906e\u65ad\u6a5f\u80fd<\/strong><\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u6a5f\u80fd\u306f\u3001\u5225\u3005\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u914d\u7f6e\u3055\u308c\u308b\u5834\u5408\u3082\u3042\u308c\u3070\u3001\u9069\u5207\u306a\u5b9a\u683c\u3067\u627f\u8a8d\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u69cb\u6210\u306b\u3088\u3063\u3066\u6e80\u305f\u3055\u308c\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u305d\u308c\u3089\u3092\u540c\u3058\u4ed5\u4e8b\u3068\u3057\u3066\u6271\u3046\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<h2>\u5b9f\u969b\u306e\u9023\u643a\u65b9\u6cd5<\/h2>\n<p>\u8907\u6570\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u304c\u5171\u901a\u30d0\u30b9\u306b\u5165\u529b\u3055\u308c\u308b\u3001\u5546\u7528\u307e\u305f\u306f\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u898f\u6a21\u306ePV\u8a2d\u7f6e\u306b\u304a\u3051\u308b\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p>\u30b9\u30c8\u30ea\u30f3\u30b0\u30ec\u30d9\u30eb\u307e\u305f\u306f\u30b0\u30eb\u30fc\u30d7\u30ec\u30d9\u30eb\u306e\u904e\u96fb\u6d41\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u6545\u969c\u306e\u5f71\u97ff\u3092\u5236\u9650\u3057\u30011\u3064\u306e\u7570\u5e38\u306a\u56de\u8def\u304c\u30a2\u30ec\u30a4\u914d\u7dda\u306e\u6b8b\u308a\u306e\u90e8\u5206\u3092\u640d\u50b7\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u3042\u308a\u307e\u3059\u3002\u51fa\u529b\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u307e\u305f\u306f\u906e\u65ad\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u6280\u8853\u8005\u304c\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u3092\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u914d\u7dda\u304b\u3089\u610f\u56f3\u7684\u306b\u5206\u96e2\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30b9\u30a4\u30c3\u30c1\u3092\u5b89\u5168\u306a\u4f4d\u7f6e\u306b\u30ed\u30c3\u30af\u3057\u3001\u3088\u308a\u660e\u78ba\u306a\u30b5\u30fc\u30d3\u30b9\u624b\u9806\u3067\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u3092\u64cd\u4f5c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u305d\u306e\u5206\u96e2\u306f\u5197\u9577\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u304c\u3001\u30dc\u30c3\u30af\u30b9\u3092\u73fe\u5834\u3067\u6a5f\u80fd\u3055\u305b\u308b\u3082\u306e\u3067\u3059\u3002.<\/p>\n<p>\u3053\u306e\u533a\u5225\u304c\u9069\u5207\u306b\u51e6\u7406\u3055\u308c\u3066\u3044\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u6280\u8853\u8005\u306f\u6b21\u306e\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u6545\u969c\u3057\u305f\u30b9\u30c8\u30ea\u30f3\u30b0\u307e\u305f\u306f\u30d6\u30e9\u30f3\u30c1\u3092\u7279\u5b9a\u3059\u308b<\/li>\n<li>\u4fdd\u8b77\u304a\u3088\u3073\u906e\u65ad\u30c7\u30d0\u30a4\u30b9\u3092\u6b63\u3057\u3044\u9806\u5e8f\u3067\u64cd\u4f5c\u3059\u308b<\/li>\n<li>\u30b5\u30fc\u30d3\u30b9\u306e\u305f\u3081\u306b\u30dc\u30c3\u30af\u30b9\u3092\u5b89\u5168\u306b\u9694\u96e2\u3059\u308b<\/li>\n<li>\u6df7\u4e71\u3084\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u3092\u6e1b\u3089\u3057\u3066\u3001\u6b63\u5e38\u306a\u56de\u8def\u3092\u5fa9\u65e7\u3059\u308b<\/li>\n<\/ul>\n<h2>DC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u6a5f\u80fd\u304c\u5fc5\u9808\u306e\u5834\u5408<\/h2>\n<p>\u3053\u3053\u3067\u306f\u3001\u614e\u91cd\u306a\u8868\u73fe\u304c\u91cd\u8981\u3067\u3059\u3002.<\/p>\n<p>\u307b\u3068\u3093\u3069\u306e\u30b3\u30fc\u30c9\u306f <strong>\u306a\u3044<\/strong> \u3059\u3079\u3066\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3079\u3066\u306e\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306b\u300c\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u300d\u3068\u30e9\u30d9\u30eb\u4ed8\u3051\u3055\u308c\u305f\u6b63\u78ba\u306a\u88fd\u54c1\u5f62\u72b6\u30921\u3064\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002\u5fc5\u8981\u306a\u306e\u306f\u3001\u6e96\u62e0\u3057\u305f <strong>\u906e\u65ad\u624b\u6bb5<\/strong>.<\/p>\n<p>\u5b9f\u969b\u306b\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u6b21\u306e\u3082\u306e\u304c\u5fc5\u8981\u306a\u5834\u5408\u3001\u5c02\u7528\u306eDC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u307e\u305f\u306f\u30b9\u30a4\u30c3\u30c1\u906e\u65ad\u5668\u304c\u3001\u305d\u306e\u7fa9\u52d9\u3092\u679c\u305f\u3059\u305f\u3081\u306e\u6700\u3082\u7c21\u5358\u306a\u65b9\u6cd5\u3067\u3042\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u51fa\u529b\u3067\u306e\u30ed\u30fc\u30ab\u30eb\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u906e\u65ad<\/li>\n<li>\u660e\u78ba\u306b\u30de\u30fc\u30af\u3055\u308c\u305f\u30b5\u30fc\u30d3\u30b9\u5207\u308a\u66ff\u3048\u30dd\u30a4\u30f3\u30c8<\/li>\n<li>\u30ed\u30c3\u30af\u53ef\u80fd\u306a\u958b\u4f4d\u7f6e<\/li>\n<li>\u4fdd\u8b77\u30c8\u30ea\u30c3\u30d7\u3067\u306f\u306a\u304f\u3001\u4e3b\u306b\u906e\u65ad\u7fa9\u52d9\u306e\u305f\u3081\u306b\u9078\u629e\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9<\/li>\n<\/ul>\n<p>\u3053\u308c\u304c\u3001\u4fdd\u8b77\u30d6\u30ec\u30fc\u30ab\u30fc\u307e\u305f\u306f\u30d2\u30e5\u30fc\u30ba\u304c\u3059\u3067\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u30b7\u30b9\u30c6\u30e0\u3067\u3082\u3001\u5c02\u7528\u306eDC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u304cPV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u3067\u4e00\u822c\u7684\u306a\u7406\u7531\u3067\u3059\u3002\u6c7a\u5b9a\u7684\u306a\u554f\u984c\u306f\u3001\u901a\u5e38\u3001\u30ab\u30bf\u30ed\u30b0\u306e\u597d\u307f\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30c1\u30fc\u30e0\u304c\u3088\u308a\u660e\u78ba\u3067\u5b89\u5168\u3067\u3001\u691c\u67fb\u3057\u3084\u3059\u3044\u7d76\u7e01\u30dd\u30a4\u30f3\u30c8\u3092\u53d6\u5f97\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u3067\u3059\u3002.<\/p>\n<p>\u8aad\u8005\u304c\u3088\u308a\u30c7\u30d0\u30a4\u30b9\u56fa\u6709\u306e\u80cc\u666f\u60c5\u5831\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u3001\u81ea\u7136\u306a\u30b5\u30dd\u30fc\u30c8\u30da\u30fc\u30b8\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 <a href=\"https:\/\/test.viox.com\/ja\/dc-isolator-switch\/\">DC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u30b9\u30a4\u30c3\u30c1<\/a> \u305d\u3057\u3066 <a href=\"https:\/\/test.viox.com\/ja\/what-is-a-dc-isolator-switch\/\">DC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u30b9\u30a4\u30c3\u30c1\u3068\u306f<\/a>.<\/p>\n<h2>DC\u30d6\u30ec\u30fc\u30ab\u30fc\u6a5f\u80fd\u304c\u5fc5\u9808\u306e\u5834\u5408<\/h2>\n<p>\u904e\u96fb\u6d41\u4fdd\u8b77\u306f\u3001\u5c0e\u4f53\u307e\u305f\u306f\u6a5f\u5668\u304c\u56de\u8def\u304c\u5b89\u5168\u306b\u8010\u3048\u3089\u308c\u308b\u4ee5\u4e0a\u306e\u6545\u969c\u96fb\u6d41\u306b\u3055\u3089\u3055\u308c\u308b\u5834\u5408\u306b\u5fc5\u9808\u3067\u3059\u3002.<\/p>\n<p>PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u3067\u306f\u3001\u3053\u308c\u306f\u7279\u306b\u6b21\u306e\u5834\u5408\u306b\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>NEC\u30ed\u30b8\u30c3\u30af\u306b\u57fa\u3065\u3044\u30663\u3064\u4ee5\u4e0a\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u304c\u4e26\u5217\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408<\/li>\n<li>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u4ed5\u69d8\u3067\u30ea\u30bb\u30c3\u30c8\u53ef\u80fd\u306a\u904e\u96fb\u6d41\u4fdd\u8b77\u304c\u8981\u6c42\u3055\u308c\u3066\u3044\u308b\u5834\u5408<\/li>\n<li>\u51fa\u529b\u5c0e\u4f53\u306b\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u3067\u306e\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n<li>\u8a2d\u8a08\u3067\u3001\u30d2\u30e5\u30fc\u30ba\u306e\u307f\u306e\u4fdd\u8b77\u306b\u4ee3\u308f\u308b\u3001\u76e3\u8996\u3057\u3084\u3059\u3044\u30ea\u30bb\u30c3\u30c8\u53ef\u80fd\u306a\u4ee3\u66ff\u624b\u6bb5\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n<\/ul>\n<p>DC\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u6307\u5b9a\u3055\u308c\u308b\u7406\u7531\u306f\u3001\u30cf\u30f3\u30c9\u30eb\u304c\u4ed8\u3044\u3066\u3044\u308b\u304b\u3089\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u56de\u8def\u306b\u306f <strong>\u81ea\u52d5\u6545\u969c\u906e\u65ad<\/strong> DC\u6761\u4ef6\u4e0b\u3067\u3002.<\/p>\n<p>\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u307f\u306e\u8a73\u7d30\u306a\u8abf\u67fb\u306b\u3064\u3044\u3066\u306f\u3001\u6700\u3082\u95a2\u9023\u6027\u306e\u9ad8\u3044\u30b5\u30dd\u30fc\u30c8\u30da\u30fc\u30b8\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 <a href=\"https:\/\/test.viox.com\/ja\/a-practical-guide-to-dc-circuit-breakers-for-solar-battery-and-ev-systems\/\">DC\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5b9f\u7528\u7684\u306a\u30ac\u30a4\u30c9<\/a> \u305d\u3057\u3066 <a href=\"https:\/\/test.viox.com\/ja\/dc-circuit-breaker-sizing-nec-690-vs-iec-60947-2-guide\/\">DC\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30b5\u30a4\u30b8\u30f3\u30b0\uff1aNEC 690\u5bfeIEC 60947-2<\/a>.<\/p>\n<h2>\u4e00\u65b9\u3092\u4ed6\u65b9\u3067\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304b\uff1f<\/h2>\n<p>\u4eee\u5b9a\u306b\u3088\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<h3>\u904e\u96fb\u6d41\u4fdd\u8b77\u304c\u5fc5\u8981\u306a\u5834\u5408\u3001DC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u306fDC\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u7f6e\u304d\u63db\u3048\u307e\u305b\u3093<\/h3>\n<p>\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u306f\u904e\u96fb\u6d41\u3092\u691c\u51fa\u3057\u307e\u305b\u3093\u3002\u81ea\u52d5\u7684\u306b\u30c8\u30ea\u30c3\u30d7\u3057\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u624b\u52d5\u3067\u958b\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u3044\u3046\u7406\u7531\u3060\u3051\u3067\u3001\u767a\u751f\u4e2d\u306e\u6545\u969c\u3092\u9664\u53bb\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u3068\u3057\u3066\u6271\u3046\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<h3>DC\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3001\u5c02\u7528\u306e\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u3092\u81ea\u52d5\u7684\u306b\u7f6e\u304d\u63db\u3048\u307e\u305b\u3093<\/h3>\n<p>\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u4e00\u90e8\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u906e\u65ad\u624b\u6bb5\u3068\u3057\u3066\u53d7\u3051\u5165\u308c\u3089\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u8a2d\u8a08\u8005\u306f\u6b21\u306e\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30ea\u30b9\u30c8\u3068\u30de\u30fc\u30ad\u30f3\u30b0<\/li>\n<li>DC\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u9069\u5408\u6027<\/li>\n<li>\u958b\u4f4d\u7f6e\u3092\u660e\u78ba\u306b\u8b58\u5225\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30ed\u30c3\u30af\u3067\u304d\u308b\u304b\u3069\u3046\u304b<\/li>\n<li>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u624b\u9806\u304c\u5b89\u5168\u3067\u5b9f\u7528\u7684\u3067\u3042\u308b\u304b\u3069\u3046\u304b<\/li>\n<\/ul>\n<p>\u3053\u308c\u304c\u3001\u3088\u308a\u826f\u3044\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u8cea\u554f\u304c\u300c\u3069\u3061\u3089\u304c\u52dd\u3064\u304b\uff1f\u300d\u3067\u306f\u306a\u3044\u7406\u7531\u3067\u3059\u3002\u305d\u308c\u306f\u3001\u300c\u3053\u306e\u8a2d\u8a08\u306f\u3001\u30b3\u30fc\u30c9\u3001\u691c\u67fb\u5b98\u3001\u304a\u3088\u3073\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30c1\u30fc\u30e0\u304c\u3059\u3079\u3066\u53d7\u3051\u5165\u308c\u308b\u65b9\u6cd5\u3067\u3001\u4fdd\u8b77\u3068\u7d76\u7e01\u306e\u4e21\u65b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u304b\uff1f\u300d\u3067\u3059\u3002\u201c<\/p>\n<h2>PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306b\u304a\u3051\u308b\u5b9f\u969b\u7684\u306a\u9078\u629e\u30df\u30b9<\/h2>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Technical-infographic-showing-common-DC-isolator-and-DC-breaker-selection-mistakes-in-solar-combiner-boxes.webp\" alt=\"Technical infographic showing common DC isolator and DC breaker selection mistakes in solar combiner boxes\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"margin-top: 8px; color: #555;\"><i>PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u5b89\u5168\u6027\uff1aDC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u304a\u3088\u3073AC\/DC\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u6307\u5b9a\u3059\u308b\u969b\u306e4\u3064\u306e\u4e00\u822c\u7684\u306a\u9078\u629e\u30df\u30b9\u3002\u4e0d\u9069\u5207\u306a\u914d\u7f6e\u3068\u5b9a\u683c\u4e0d\u8db3\u306e\u5371\u967a\u6027\u3092\u5f37\u8abf\u3057\u3066\u3044\u307e\u3059\u3002.<\/i><\/figcaption><\/figure>\n<h3>1. DC PV\u56de\u8def\u3067\u306eAC\u5b9a\u683c\u30c7\u30d0\u30a4\u30b9\u306e\u4f7f\u7528<\/h3>\n<p>\u3053\u308c\u306f\u3001\u73fe\u5834\u3067\u6700\u3082\u5371\u967a\u306a\u30df\u30b9\u306e1\u3064\u3067\u3059\u3002DC\u906e\u65ad\u306fAC\u906e\u65ad\u3068\u540c\u3058\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002AC\u30d1\u30cd\u30eb\u3067\u5feb\u9069\u306a\u30c7\u30d0\u30a4\u30b9\u306f\u3001PV DC\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306b\u81ea\u52d5\u7684\u306b\u9069\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002AC\u3067\u306f\u3001\u96fb\u6d41\u306f\u30b5\u30a4\u30af\u30eb\u3054\u3068\u306b\u81ea\u7136\u306a\u30bc\u30ed\u30af\u30ed\u30b9\u3092\u901a\u904e\u3059\u308b\u305f\u3081\u3001\u30a2\u30fc\u30af\u306e\u6d88\u5f27\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002DC\u3067\u306f\u3001\u81ea\u7136\u306a\u30bc\u30ed\u30af\u30ed\u30b9\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30c7\u30d0\u30a4\u30b9\u304cDC\u30a2\u30fc\u30af\u5236\u5fa1\u7528\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30a2\u30fc\u30af\u306f\u958b\u3044\u3066\u3044\u308b\u63a5\u70b9\u9593\u3067\u6301\u7d9a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u7d50\u679c\uff1a<\/strong> \u30a2\u30fc\u30af\u304c\u81ea\u5df1\u6d88\u5f27\u3057\u306a\u3044\u5834\u5408\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u906e\u65ad\u306b\u5931\u6557\u3057\u3001\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u304c\u713c\u640d\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>2. \u30b9\u30c8\u30ea\u30f3\u30b0\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u4fdd\u8b77\u6226\u7565\u5168\u4f53\u3068\u3057\u3066\u6271\u3046<\/h3>\n<p>\u30b9\u30c8\u30ea\u30f3\u30b0\u3054\u3068\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u4e26\u3079\u3066\u3082\u3001\u906e\u65ad\u624b\u6bb5\u306e\u8981\u4ef6\u3092\u81ea\u52d5\u7684\u306b\u6e80\u305f\u3059\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u660e\u78ba\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u304c\u81ea\u52d5\u7684\u306b\u751f\u6210\u3055\u308c\u308b\u308f\u3051\u3067\u3082\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<p><strong>\u7d50\u679c\uff1a<\/strong> \u6280\u8853\u8005\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u4e2d\u306b\u4f9d\u7136\u3068\u3057\u3066\u6d3b\u7dda\u72b6\u614b\u306e\u30d0\u30b9\u3084\u3001\u7d1b\u3089\u308f\u3057\u3044\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u30b7\u30fc\u30b1\u30f3\u30b9\u306b\u76f4\u9762\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>\u51fa\u529b\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u3092\u904e\u96fb\u6d41\u4fdd\u8b77\u3092\u89e3\u6c7a\u3059\u308b\u3082\u306e\u3068\u3057\u3066\u6271\u3046\u3053\u3068<\/h3>\n<p>\u305d\u3046\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5c02\u7528\u306e\u906e\u65ad\u70b9\u3068\u4fdd\u8b77\u30c8\u30ea\u30c3\u30d7\u6a5f\u80fd\u306f\u3001\u8a2d\u8a08\u306e\u7570\u306a\u308b\u30ec\u30a4\u30e4\u30fc\u3067\u3059\u3002.<\/p>\n<p><strong>\u7d50\u679c\uff1a<\/strong> \u5c0e\u4f53\u3001\u7aef\u5b50\u3001\u307e\u305f\u306f\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u90e8\u54c1\u304c\u904e\u71b1\u3059\u308b\u307e\u3067\u3001\u6545\u969c\u304c\u7d9a\u304f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>\u30a2\u30f3\u30da\u30a2\u5b9a\u683c\u306e\u307f\u3067\u9078\u629e\u3059\u308b\u3053\u3068<\/h3>\n<p>PV\u63a5\u7d9a\u7bb1\u3067\u306f\u3001\u96fb\u5727\u30af\u30e9\u30b9\u3001\u6975\u914d\u7f6e\u3001DC\u5229\u7528\u7387\u3001\u906e\u65ad\u5bb9\u91cf\u3001\u6e29\u5ea6\u7279\u6027\u3001\u304a\u3088\u3073\u5b9f\u969b\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u69cb\u6210\u304c\u3059\u3079\u3066\u91cd\u8981\u3067\u3059\u3002.<\/p>\n<p><strong>\u7d50\u679c\uff1a<\/strong> \u9078\u629e\u3057\u305f\u30c7\u30d0\u30a4\u30b9\u306f\u9298\u677f\u4e0a\u306f\u6b63\u3057\u304f\u898b\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5b9f\u969b\u306ePV\u8ca0\u8377\u306b\u5bfe\u3057\u3066\u306f\u5b9a\u683c\u4e0d\u8db3\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>\u906e\u65ad\u5668\u3092\u9593\u9055\u3063\u305f\u5834\u6240\u306b\u8a2d\u7f6e\u3059\u308b\u3053\u3068<\/h3>\n<p>\u76ee\u6a19\u304c\u30dc\u30c3\u30af\u30b9\u5168\u4f53\u307e\u305f\u306f\u4e0b\u6d41\u306e\u7d76\u7e01\u3067\u3042\u308b\u5834\u5408\u3001\u906e\u65ad\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u56de\u8def\u306e\u610f\u56f3\u3057\u305f\u90e8\u5206\u3092\u5b9f\u969b\u306b\u5206\u96e2\u3059\u308b\u3088\u3046\u306b\u914d\u7f6e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u9593\u9055\u3063\u305f\u5834\u6240\u306b\u3042\u308b\u30b9\u30a4\u30c3\u30c1\u306f\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30c1\u30fc\u30e0\u304c\u53cd\u5bfe\u3092\u60f3\u5b9a\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u3001\u30d0\u30b9\u307e\u305f\u306f\u4e0b\u6d41\u306e\u5c0e\u4f53\u3092\u6d3b\u7dda\u72b6\u614b\u306e\u307e\u307e\u306b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u7d50\u679c\uff1a<\/strong> \u30dc\u30c3\u30af\u30b9\u306f\u66f8\u985e\u4e0a\u306f\u7d76\u7e01\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u3066\u3082\u3001\u5371\u967a\u306a\u96fb\u5727\u304c\u73fe\u5834\u306b\u307e\u3060\u5b58\u5728\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u57fa\u790e\u3092\u660e\u793a\u305b\u305a\u306b\u30b3\u30fc\u30c9\u30b7\u30b9\u30c6\u30e0\u3092\u6df7\u5728\u3055\u305b\u308b\u3053\u3068<\/h3>\n<p>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u3069\u306e\u30eb\u30fc\u30eb\u30bb\u30c3\u30c8\u304c\u652f\u914d\u3059\u308b\u304b\u3092\u660e\u793a\u305b\u305a\u306b\u3001NEC\u3001IEC\u3001\u304a\u3088\u3073AS\/NZS\u306e\u8981\u4ef6\u304c\u4e00\u7dd2\u306b\u5f15\u7528\u3055\u308c\u308b\u3068\u3001\u8a2d\u8a08\u30ec\u30d3\u30e5\u30fc\u306f\u3059\u3050\u306b\u6df7\u4e71\u3057\u307e\u3059\u3002\u512a\u308c\u305f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u3001\u5e38\u306b\u305d\u306e\u57fa\u790e\u3092\u660e\u78ba\u306b\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>\u7d50\u679c\uff1a<\/strong> \u30c1\u30fc\u30e0\u306f\u9593\u9055\u3063\u305f\u30c7\u30d0\u30a4\u30b9\u30bb\u30c3\u30c8\u3092\u627f\u8a8d\u3057\u305f\u308a\u3001\u691c\u67fb\u306b\u5931\u6557\u3057\u305f\u308a\u3001\u652f\u914d\u7684\u306a\u898f\u683c\u306b\u4e00\u81f4\u3057\u306a\u3044\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u624b\u9806\u3092\u4f5c\u6210\u3057\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h2>\u3088\u304f\u3042\u308b\u3054\u8cea\u554f<\/h2>\n<h3>\u3059\u3079\u3066\u306e\u63a5\u7d9a\u7bb1\u306bDC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u3068DC\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u4e21\u65b9\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u5fc5\u305a\u3057\u30822\u3064\u306e\u72ec\u7acb\u3057\u305f\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u30c7\u30d0\u30a4\u30b9\u3068\u3057\u3066\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u591a\u304f\u306e\u63a5\u7d9a\u7bb1\u306f\u4e21\u65b9\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002 <strong>\u6a5f\u80fd<\/strong>\u7d76\u7e01\u3068\u904e\u96fb\u6d41\u4fdd\u8b77\u3002\u3053\u308c\u3089\u306e\u6a5f\u80fd\u304c\u3069\u306e\u3088\u3046\u306b\u5b9f\u88c5\u3055\u308c\u308b\u304b\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u69cb\u6210\u3001\u304a\u3088\u3073\u30c7\u30d0\u30a4\u30b9\u306e\u9069\u5408\u6027\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002.<\/p>\n<h3>DC\u906e\u65ad\u5668\u306f\u3001PV\u906e\u65ad\u624b\u6bb5\u3068\u3057\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u53ef\u80fd\u3067\u3059\u304c\u3001\u305d\u308c\u306f\u305d\u306e\u906e\u65ad\u5668\u306e\u30ea\u30b9\u30c8\u3001\u30de\u30fc\u30ad\u30f3\u30b0\u3001\u304a\u3088\u3073\u8a2d\u7f6e\u306e\u8a73\u7d30\u304c\u305d\u306e\u7528\u9014\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u9650\u308a\u307e\u3059\u3002\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u3059\u3079\u3066\u306eDC\u906e\u65ad\u5668\u304c\u81ea\u52d5\u7684\u306b\u9069\u5408\u3059\u308b\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u3067\u3042\u308b\u3068\u4eee\u5b9a\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u3053\u308c\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>DC\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u306f\u3001\u904e\u96fb\u6d41\u307e\u305f\u306f\u77ed\u7d61\u304b\u3089\u4fdd\u8b77\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u3044\u3044\u3048\u3001\u6a19\u6e96\u7684\u306a\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u306f\u904e\u96fb\u6d41\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<h3>\u30b9\u30c8\u30ea\u30f3\u30b0\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3001\u3059\u3079\u3066\u306e\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306b\u5fc5\u9808\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u3044\u3044\u3048\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u30ec\u30d9\u30eb\u306e\u904e\u96fb\u6d41\u4fdd\u8b77\u306e\u5fc5\u8981\u6027\u306f\u3001\u4e26\u5217\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u6570\u3001\u5c0e\u4f53\u306e\u9732\u51fa\u3001\u6cd5\u898f\u306e\u67a0\u7d44\u307f\u3001\u304a\u3088\u3073\u6a5f\u5668\u306e\u5236\u9650\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u591a\u304f\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u30d2\u30e5\u30fc\u30ba\u304c\u4f9d\u7136\u3068\u3057\u3066\u3088\u308a\u4e00\u822c\u7684\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002.<\/p>\n<h3>\u9055\u3044\u306b\u3064\u3044\u3066\u6700\u3082\u5b89\u5168\u306b\u8003\u3048\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc\u3092\u3001\u9078\u629e\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002 <strong>\u610f\u56f3\u7684\u306a\u906e\u65ad<\/strong> \u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u3001\u9078\u629e\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002 <strong>\u81ea\u52d5\u6545\u969c\u906e\u65ad<\/strong>. \u3002\u6b21\u306b\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u4f9d\u7136\u3068\u3057\u3066\u4e21\u65b9\u306e\u6a5f\u80fd\u3092\u500b\u5225\u306b\u5fc5\u8981\u3068\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Inside a solar combiner box: A clear internal view showing DC circuit breakers used for string protection and a main output-side DC isolator for manual disconnection. Inside every solar combiner box, two types of DC switching devices show up repeatedly, and they are not interchangeable by default. A DC isolator is mainly there to provide manual, intentional isolation so a technician can service the system safely. A DC circuit breaker is mainly there to detect overcurrent or short-circuit conditions and interrupt the circuit automatically. They address different risks. They sit in different parts of the protection hierarchy. And when designers blur the line between them, the result is usually not [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15202,"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-15201","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\/15201","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=15201"}],"version-history":[{"count":2,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/15201\/revisions"}],"predecessor-version":[{"id":23344,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/15201\/revisions\/23344"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media\/15202"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media?parent=15201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/categories?post=15201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/tags?post=15201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}