{"id":18935,"date":"2025-07-26T12:19:32","date_gmt":"2025-07-26T04:19:32","guid":{"rendered":"https:\/\/viox.com\/?p=18935"},"modified":"2026-03-28T16:08:02","modified_gmt":"2026-03-28T08:08:02","slug":"why-use-rccb-instead-of-mcb","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ja\/why-use-rccb-instead-of-mcb\/","title":{"rendered":"RCCB\u3068MCB\uff1a\u611f\u96fb\u4fdd\u8b77\u306b\u306fMCB\u306e\u4ee3\u308f\u308a\u306bRCCB\u3092\u4f7f\u7528\u3059\u308b\u7406\u7531"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>\u76f4\u63a5\u56de\u7b54<\/h2>\n<p>RCCB\u3092MCB\u306e\u4ee3\u308f\u308a\u306b\u3042\u3089\u3086\u308b\u76ee\u7684\u306b\u4f7f\u7528\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002RCCB\u306f <strong>RCCB<\/strong> \u304c\u5fc5\u8981\u306a\u3068\u304d\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002 <strong>\u611f\u96fb\u304a\u3088\u3073\u6f0f\u96fb\u4fdd\u8b77<\/strong>, \u3092\u3001MCB\u306f <strong>MCB<\/strong> \u304c\u5fc5\u8981\u306a\u3068\u304d\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002 <strong>\u904e\u8ca0\u8377\u304a\u3088\u3073\u77ed\u7d61\u4fdd\u8b77<\/strong>. \u306e\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u5b9f\u969b\u306e\u8a2d\u7f6e\u3067\u306f\u3001\u6b63\u3057\u3044\u7b54\u3048\u306fRCCB <em>\u307e\u305f\u306f<\/em> \u3084MCB\u3067\u306f\u306a\u304f\u3001 <strong>RCCB + MCB\u306e\u7d44\u307f\u5408\u308f\u305b<\/strong>, \u3001\u307e\u305f\u306f\u5358\u4e00\u306e <a href=\"https:\/\/test.viox.com\/ja\/rcbo\/\">\u30a2\u30fc\u30eb\u30b7\u30fc\u30dc<\/a> \u4e21\u65b9\u306e\u6a5f\u80fd\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u3082\u306e\u3067\u3059\u3002.<\/p>\n<p>\u305d\u306e\u533a\u5225\u304c\u91cd\u8981\u306a\u306e\u306f\u3001 <a href=\"https:\/\/test.viox.com\/ja\/mcb\/\">MCB<\/a> \u306f\u30b1\u30fc\u30d6\u30eb\u3084\u6a5f\u5668\u3092\u904e\u96fb\u6d41\u304b\u3089\u4fdd\u8b77\u3067\u304d\u307e\u3059\u304c\u3001\u4eba\u4f53\u3092\u901a\u904e\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u5fae\u5c0f\u306a\u6f0f\u6d29\u96fb\u6d41\u3092\u691c\u51fa\u3067\u304d\u306a\u3044\u305f\u3081\u3067\u3059\u3002 <a href=\"https:\/\/test.viox.com\/ja\/rccb\/\">RCCB<\/a> \u306f\u3001\u305d\u306e\u4e0d\u5747\u8861\u3092\u691c\u51fa\u3057\u3001\u611f\u96fb\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3059\u308b\u306e\u306b\u5341\u5206\u306a\u901f\u3055\u3067\u56de\u8def\u3092\u906e\u65ad\u3059\u308b\u3088\u3046\u306b\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p>\u3082\u3057\u3042\u306a\u305f\u306e\u672c\u5f53\u306e\u8cea\u554f\u304c\u300c\u3069\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u4eba\u3092\u4fdd\u8b77\u3059\u308b\u306e\u304b\u300d\u3067\u3042\u308c\u3070\u3001\u7b54\u3048\u306f\u7c21\u5358\u3067\u3059\u3002 <strong>RCCB\u306f\u6f0f\u96fb\u4e8b\u6545\u304b\u3089\u4eba\u3092\u4fdd\u8b77\u3057\u3001MCB\u306f\u904e\u96fb\u6d41\u4e8b\u6545\u304b\u3089\u914d\u7dda\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/strong> \u5b9f\u969b\u7684\u306a\u8a2d\u8a08\u3067\u306f\u3001\u901a\u5e38\u3001\u6b8b\u7559\u96fb\u6d41\u4fdd\u8b77\u306f\u3001\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u306e\u4ee3\u66ff\u3068\u3057\u3066\u6271\u3046\u306e\u3067\u306f\u306a\u304f\u3001\u9069\u5207\u306b\u8abf\u6574\u3055\u308c\u305f\u904e\u96fb\u6d41\u4fdd\u8b77\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\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\/RCCB-and-MCB-installed-side-by-side-in-a-low-voltage-distribution-board.webp\" alt=\"RCCB and MCB installed side by side in a low voltage distribution board\" \/><figcaption><em>\u8a2d\u7f6e\u4f8b\uff1a\u5305\u62ec\u7684\u306a\u96fb\u6c17\u4fdd\u8b77\u306e\u305f\u3081\u306b\u3001\u4f4e\u96fb\u5727\u914d\u96fb\u76e4\u306b\u4e26\u3079\u3066\u53d6\u308a\u4ed8\u3051\u3089\u308c\u305fRCCB\u3068MCB\u3002.<\/em><\/figcaption><\/figure>\n<h2>\u8981\u70b9<\/h2>\n<ul>\n<li>RCCB\u3068MCB\u306f\u4ee3\u66ff\u54c1\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u3089\u306f\u7570\u306a\u308b\u7a2e\u985e\u306e\u6545\u969c\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/li>\n<li>RCCB\u306e\u91cd\u8981\u306a\u5f79\u5272\u306f\u3001\u6d3b\u7dda\u3068\u4e2d\u6027\u7dda\u306e\u5c0e\u4f53\u9593\u306e\u96fb\u6d41\u306e\u4e0d\u5747\u8861\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u3067\u3059\u3002.<\/li>\n<li>\u30a2\u30f3 <code>MCB<\/code> \u306f <strong>\u306a\u3044<\/strong> \u500b\u4eba\u7684\u306a\u611f\u96fb\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/li>\n<li>\u307b\u3068\u3093\u3069\u306e\u4f4f\u5b85\u304a\u3088\u3073\u8efd\u5546\u696d\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u6b63\u3057\u3044\u4fdd\u8b77\u6226\u7565\u306f <strong>MCB + RCCB<\/strong> \u307e\u305f\u306f <a href=\"https:\/\/test.viox.com\/ja\/rcbo\/\">\u30a2\u30fc\u30eb\u30b7\u30fc\u30dc<\/a>.<\/li>\n<li>\u591a\u304f\u306e\u5e02\u5834\u3067\u306f\u3001, <code>RCB<\/code> \u306f\u6b8b\u7559\u96fb\u6d41\u30c7\u30d0\u30a4\u30b9\u306e\u7565\u79f0\u3068\u3057\u3066\u7de9\u304f\u4f7f\u7528\u3055\u308c\u3001 <code>RCCB<\/code> \u304c\u3088\u308a\u6b63\u78ba\u306a\u7528\u8a9e\u3067\u3059\u3002.<\/li>\n<\/ul>\n<h2>RCCB\u5bfeMCB\uff1a\u30b3\u30a2\u306e\u9055\u3044<\/h2>\n<p>\u305d\u308c\u3089\u3092\u6bd4\u8f03\u3059\u308b\u6700\u3082\u660e\u78ba\u306a\u65b9\u6cd5\u306f\u3001\u5404\u30c7\u30d0\u30a4\u30b9\u304c\u691c\u51fa\u3059\u308b\u3088\u3046\u306b\u69cb\u7bc9\u3055\u308c\u3066\u3044\u308b\u6545\u969c\u3092\u898b\u308b\u3053\u3068\u3067\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\/Technical-infographic-comparing-RCCB-and-MCB-by-function-and-protection-type.webp\" alt=\"Technical infographic comparing RCCB and MCB by function and protection type\" \/><figcaption><em>RCCB\u3068MCB\u306e\u7570\u306a\u308b\u6a5f\u80fd\u3068\u4fdd\u8b77\u306e\u7a2e\u985e\u3092\u8a73\u8ff0\u3057\u305f\u6280\u8853\u6bd4\u8f03\u30a4\u30f3\u30d5\u30a9\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u3002.<\/em><\/figcaption><\/figure>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\">\n<thead>\n<tr>\n<th style=\"padding: 8px;\">\u4fdd\u8b77\u88c5\u7f6e<\/th>\n<th style=\"padding: 8px;\">\u30d5\u30eb\u30d5\u30a9\u30fc\u30e0<\/th>\n<th style=\"padding: 8px;\">\u4e3b\u306a\u4ed5\u4e8b<\/th>\n<th style=\"padding: 8px;\">\u691c\u51fa<\/th>\n<th style=\"padding: 8px;\">\u611f\u96fb\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u304b\uff1f<\/th>\n<th style=\"padding: 8px;\">\u4e00\u822c\u7684\u306a\u5f79\u5272<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\">RCCB<\/td>\n<td style=\"padding: 8px;\">\u6f0f\u96fb\u906e\u65ad\u5668<\/td>\n<td style=\"padding: 8px;\">\u6f0f\u6d29\u96fb\u6d41\u304c\u30a2\u30fc\u30b9\u306b\u6d41\u308c\u308b\u3068\u56de\u8def\u3092\u906e\u65ad\u3057\u307e\u3059<\/td>\n<td style=\"padding: 8px;\">\u5730\u7d61\/\u6b8b\u7559\u96fb\u6d41\u306e\u4e0d\u5747\u8861<\/td>\n<td style=\"padding: 8px;\">\u306f\u3044\u3001\u5730\u7d61\u306b\u3088\u308b\u611f\u96fb\u306e\u30ea\u30b9\u30af\u306b\u5bfe\u3057\u3066<\/td>\n<td style=\"padding: 8px;\">\u500b\u4eba\u7684\u306a\u4fdd\u8b77\u3068\u6f0f\u6d29\u4fdd\u8b77<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">MCB<\/td>\n<td style=\"padding: 8px;\">\u5c0f\u578b\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc<\/td>\n<td style=\"padding: 8px;\">\u96fb\u6d41\u304c\u5b9a\u683c\u5236\u9650\u3092\u8d85\u3048\u308b\u3068\u56de\u8def\u3092\u906e\u65ad\u3057\u307e\u3059<\/td>\n<td style=\"padding: 8px;\">\u904e\u8ca0\u8377\u3068\u77ed\u7d61<\/td>\n<td style=\"padding: 8px;\">No<\/td>\n<td style=\"padding: 8px;\">\u5206\u5c90\u56de\u8def\u904e\u96fb\u6d41\u4fdd\u8b77<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">\u30a2\u30fc\u30eb\u30b7\u30fc\u30dc<\/td>\n<td style=\"padding: 8px;\">\u904e\u96fb\u6d41\u4fdd\u8b77\u4ed8\u304d\u6f0f\u96fb\u906e\u65ad\u5668<\/td>\n<td style=\"padding: 8px;\">\u4e21\u65b9\u306e\u6a5f\u80fd\u30921\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u7d44\u307f\u5408\u308f\u305b\u307e\u3059<\/td>\n<td style=\"padding: 8px;\">\u5730\u7d61+\u904e\u8ca0\u8377+\u77ed\u7d61<\/td>\n<td style=\"padding: 8px;\">\u3042\u308a<\/td>\n<td style=\"padding: 8px;\">\u30b9\u30da\u30fc\u30b9\u307e\u305f\u306f\u9078\u629e\u6027\u304c\u91cd\u8981\u306a\u5834\u5408\u306e\u8907\u5408\u4fdd\u8b77<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u305d\u308c\u304c\u3001 <a href=\"https:\/\/test.viox.com\/ja\/rccb\/\">RCCB<\/a> \u305d\u3057\u3066 <a href=\"https:\/\/test.viox.com\/ja\/mcb\/\">MCB<\/a> \u3092\u4ea4\u63db\u53ef\u80fd\u3067\u3042\u308b\u304b\u306e\u3088\u3046\u306b\u6bd4\u8f03\u3059\u308b\u306e\u304c\u8aa4\u89e3\u3092\u62db\u304f\u7406\u7531\u3067\u3059\u3002\u305d\u308c\u3089\u306f\u6a5f\u80fd\u7684\u306b\u4ea4\u63db\u53ef\u80fd\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u3089\u306f\u76f8\u88dc\u7684\u306a\u30c7\u30d0\u30a4\u30b9\u3067\u3059\u3002.<\/p>\n<p>\u3088\u308a\u5e83\u7bc4\u306a\u7528\u8a9e\u30de\u30c3\u30d7\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u4ee5\u4e0b\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>.<\/p>\n<h2>RCCB\u306e\u6a5f\u80fd\u3068\u306f\uff1f<\/h2>\n<p>RCCB\u306f\u3001\u6d3b\u7dda\u5c0e\u4f53\u304b\u3089\u51fa\u308b\u96fb\u6d41\u3068\u3001\u4e2d\u6027\u7dda\u5c0e\u4f53\u306b\u623b\u308b\u96fb\u6d41\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002.<\/p>\n<p>\u901a\u5e38\u306e\u72b6\u614b\u3067\u306f\uff1a<\/p>\n<ul>\n<li>\u51fa\u529b\u96fb\u6d41=\u5e30\u9084\u96fb\u6d41<\/li>\n<li>\u30c7\u30d0\u30a4\u30b9\u5185\u90e8\u306e\u78c1\u6c17\u30d0\u30e9\u30f3\u30b9\u306f\u5b89\u5b9a\u3057\u305f\u307e\u307e\u3067\u3059<\/li>\n<li>RCCB\u306f\u9589\u3058\u305f\u307e\u307e\u3067\u3059<\/li>\n<\/ul>\n<p>\u5730\u7d61\u72b6\u614b\u306e\u5834\u5408\uff1a<\/p>\n<ul>\n<li>\u640d\u50b7\u3057\u305f\u7d76\u7e01\u3001\u91d1\u5c5e\u88fd\u306e\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u3001\u6e7f\u6c17\u3001\u307e\u305f\u306f\u4eba\u4f53\u3092\u4ecb\u3057\u3066\u3001\u4e00\u90e8\u306e\u96fb\u6d41\u304c\u30a2\u30fc\u30b9\u306b\u6f0f\u308c\u307e\u3059<\/li>\n<li>\u51fa\u529b\u96fb\u6d41\u306f\u5e30\u9084\u96fb\u6d41\u3068\u7b49\u3057\u304f\u306a\u304f\u306a\u308a\u307e\u3059<\/li>\n<li>RCCB\u306f\u4e0d\u5747\u8861\u3092\u691c\u51fa\u3057\u307e\u3059<\/li>\n<li>\u30c7\u30d0\u30a4\u30b9\u304c\u30c8\u30ea\u30c3\u30d7\u3057\u3001\u56de\u8def\u3092\u906e\u65ad\u3057\u307e\u3059<\/li>\n<\/ul>\n<p>\u3053\u308c\u304c\u3001RCCB\u304c\u6a19\u6e96\u306e\u904e\u96fb\u6d41\u30d6\u30ec\u30fc\u30ab\u30fc\u3068\u7570\u306a\u308b\u70b9\u3067\u3059\u3002\u5f93\u6765\u306e\u610f\u5473\u3067\u306e\u300c\u904e\u5270\u306a\u96fb\u6d41\u300d\u3092\u63a2\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u63a2\u3057\u3066\u3044\u308b\u306e\u306f <strong>\u884c\u65b9\u4e0d\u660e\u306e\u96fb\u6d41<\/strong> \u610f\u56f3\u3057\u306a\u3044\u7d4c\u8def\u3092\u305f\u3069\u3063\u305f\u3082\u306e\u3067\u3059\u3002.<\/p>\n<p>\u30c7\u30d0\u30a4\u30b9\u306f\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u6a5f\u68b0\u7684\u307e\u305f\u306f\u96fb\u6c17\u7684\u306b\u6545\u969c\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u5b9a\u671f\u7684\u306a\u30c1\u30a7\u30c3\u30af\u304c\u91cd\u8981\u3067\u3059\u3002\u5185\u8535\u306e <code>T<\/code> \u307e\u305f\u306f <code>\u30c6\u30b9\u30c8<\/code> \u30dc\u30bf\u30f3\u306f\u3001\u901a\u5e38\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u610f\u8b58\u306e\u4e00\u90e8\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u3092\u62bc\u3059\u3068\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u307e\u3060\u30c8\u30ea\u30c3\u30d7\u3067\u304d\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3059\u304c\u3001\u5c02\u9580\u5bb6\u306b\u3088\u308b\u691c\u67fb\u4e2d\u306e\u6a5f\u5668\u30c6\u30b9\u30c8\u306b\u4ee3\u308f\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<p>\u6f0f\u6d29\u96fb\u6d41\u306e\u5371\u967a\u6027\u306e\u8a73\u7d30\u306a\u8aac\u660e\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/test.viox.com\/ja\/understanding-ground-fault-protection\/\">\u6f0f\u96fb\u4fdd\u8b77\u306e\u7406\u89e3<\/a>.<\/p>\n<h2>MCB\u304c\u611f\u96fb\u304b\u3089\u4eba\u3092\u4fdd\u8b77\u3067\u304d\u306a\u3044\u7406\u7531<\/h2>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Technical-diagram-showing-why-an-MCB-does-not-provide-personal-shock-protection.webp\" alt=\"Technical diagram showing why an MCB does not provide personal shock protection\" \/><figcaption><em>\u6a19\u6e96\u306eMCB\u304c\u500b\u4eba\u7684\u306a\u611f\u96fb\u4fdd\u8b77\u3092\u63d0\u4f9b\u3067\u304d\u306a\u3044\u7406\u7531\u3092\u8aac\u660e\u3059\u308b\u6280\u8853\u56f3\u3002.<\/em><\/figcaption><\/figure>\n<p>MCB\u306f\u3001\u56de\u8def\u96fb\u6d41\u304c\u8a2d\u8a08\u3055\u308c\u305f\u3057\u304d\u3044\u5024\u3092\u8d85\u3048\u308b\u3068\u30c8\u30ea\u30c3\u30d7\u3057\u307e\u3059\u3002\u4eba\u306f\u3001\u901a\u5e38\u306eMCB\u3092\u30c8\u30ea\u30c3\u30d7\u3055\u305b\u308b\u306e\u306b\u5fc5\u8981\u306a\u96fb\u6d41\u3092\u306f\u308b\u304b\u306b\u4e0b\u56de\u308b\u6f0f\u6d29\u30ec\u30d9\u30eb\u3067\u3001\u5371\u967a\u307e\u305f\u306f\u81f4\u547d\u7684\u306a\u611f\u96fb\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u306f\u3064\u307e\u308a\uff1a<\/p>\n<ul>\n<li>6 A\u300110 A\u300116 A\u3001\u307e\u305f\u306f32 A\u306eMCB\u306f\u9589\u3058\u305f\u307e\u307e\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/li>\n<li>\u6545\u969c\u96fb\u6d41\u306f\u3001\u4eba\u3092\u8ca0\u50b7\u3055\u305b\u305f\u308a\u6b7b\u4ea1\u3055\u305b\u305f\u308a\u3059\u308b\u306e\u306b\u5341\u5206\u306a\u9ad8\u3055\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/li>\n<li>MCB\u306f\u8a2d\u8a08\u3055\u308c\u305f\u3068\u304a\u308a\u306b\u6b63\u78ba\u306b\u6a5f\u80fd\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u6545\u969c\u306e\u7a2e\u985e\u306f\u305d\u306e\u4ed5\u4e8b\u306e\u7bc4\u56f2\u5916\u3067\u3059<\/li>\n<\/ul>\n<p>\u4eba\u4f53\u306b\u6d41\u308c\u308b\u96fb\u6d41\u30ec\u30d9\u30eb\u3068\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5b9a\u683c\u3092\u6bd4\u8f03\u3059\u308b\u3068\u3001\u7406\u89e3\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u4f4e\u96fb\u5727\u306e\u5b89\u5168\u5bfe\u7b56\u3067\u306f\u3001, <code>\u4ea4\u6d4150V<\/code> \u306f\u3001\u901a\u5e38\u306e\u4e7e\u71e5\u72b6\u614b\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u63a5\u89e6\u96fb\u5727\u306e\u95be\u5024\u3068\u3057\u3066\u4e00\u822c\u7684\u306b\u6271\u308f\u308c\u307e\u3059\u304c\u3001\u5b9f\u969b\u306e\u611f\u96fb\u306e\u7d50\u679c\u306f\u3001\u4f53\u306e\u62b5\u6297\u3001\u63a5\u89e6\u72b6\u614b\u3001\u76ae\u819a\u306e\u6c34\u5206\u3001\u304a\u3088\u3073\u4f53\u3092\u901a\u308b\u96fb\u6d41\u7d4c\u8def\u306b\u4f9d\u7136\u3068\u3057\u3066\u5de6\u53f3\u3055\u308c\u307e\u3059\u3002\u96fb\u6d41\u304c\u6570\u5341\u30df\u30ea\u30a2\u30f3\u30da\u30a2\u306b\u4e0a\u6607\u3059\u308b\u3068\u3001\u5206\u5c90MCB\u306e\u5b9a\u683c\u96fb\u6d41\u3068\u6bd4\u8f03\u3057\u3066\u3054\u304f\u308f\u305a\u304b\u3067\u3042\u3063\u3066\u3082\u3001\u30ea\u30b9\u30af\u306f\u6df1\u523b\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p>\u305d\u308c\u304c\u4fdd\u8b77\u30ae\u30e3\u30c3\u30d7\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u4eba\u306f\u30df\u30ea\u30a2\u30f3\u30da\u30a2\u5358\u4f4d\u3067\u6e2c\u5b9a\u3055\u308c\u308b\u5371\u967a\u306a\u6f0f\u6d29\u96fb\u6d41\u306b\u3055\u3089\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u6a19\u6e96\u7684\u306aMCB\u306f\u3001\u30a2\u30f3\u30da\u30a2\u5358\u4f4d\u3067\u6e2c\u5b9a\u3055\u308c\u308b\u6545\u969c\u96fb\u6d41\u3092\u5f85\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>MCB\u304c\u7570\u5e38\u3092\u691c\u77e5\u3059\u308b\u305a\u3063\u3068\u524d\u306b\u3001\u611f\u96fb\u306f\u6df1\u523b\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u3053\u308c\u306f\u3001MCB\u306e\u307f\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30d1\u30cd\u30eb\u304c\u300c\u5b8c\u5168\u306b\u4fdd\u8b77\u3055\u308c\u3066\u3044\u308b\u300d\u3088\u3046\u306b\u898b\u3048\u3066\u3082\u3001\u500b\u4eba\u4fdd\u8b77\u306e\u89b3\u70b9\u304b\u3089\u306f\u4f9d\u7136\u3068\u3057\u3066\u5b89\u5168\u3067\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b\u7406\u7531\u3067\u3082\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u3053\u306e\u30c8\u30d4\u30c3\u30af\u306e\u3088\u308a\u5e83\u7bc4\u306a\u4f4f\u5b85\u6240\u6709\u8005\u5411\u3051\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/test.viox.com\/ja\/why-circuit-breakers-dont-protect-people\/\">\u306a\u305c\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u4eba\u3092\u4fdd\u8b77\u3057\u306a\u3044\u306e\u304b<\/a>.<\/p>\n<h2>MCB\u306e\u4ee3\u308f\u308a\u306bRCCB\u3092\u4f7f\u7528\u3059\u3079\u304d\u306a\u306e\u306f\u3044\u3064\u304b<\/h2>\n<p>\u8868\u73fe\u306f <code>MCB\u306e\u4ee3\u308f\u308a\u306bRCCB\u3092\u4f7f\u7528\u3059\u308b\u7406\u7531<\/code> 1\u3064\u306e\u6280\u8853\u7684\u306a\u4fee\u6b63\u304c\u5fc5\u8981\u3067\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u8a2d\u7f6e\u3067\u306f\u3001MCB\u306e\u6a5f\u80fd\u3092\u5b8c\u5168\u306b\u7f6e\u304d\u63db\u3048\u308b\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4e0d\u8db3\u3057\u3066\u3044\u308b\u6f0f\u96fb\u4fdd\u8b77\u6a5f\u80fd\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u5b9f\u969b\u306b\u306f\u3001\u4ee5\u4e0b\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <code>RCCB<\/code> \u4e3b\u306a\u8a2d\u8a08\u4e0a\u306e\u61f8\u5ff5\u4e8b\u9805\u304c <strong>\u611f\u96fb\u306e\u30ea\u30b9\u30af\u307e\u305f\u306f\u5730\u7d61\u3067\u3042\u308b\u5834\u5408<\/strong>, \u7279\u306b\uff1a<\/p>\n<ul>\n<li>\u30d0\u30b9\u30eb\u30fc\u30e0<\/li>\n<li>\u30ad\u30c3\u30c1\u30f3<\/li>\n<li>\u6d17\u6fef\u5ba4<\/li>\n<li>\u5c4b\u5916\u30bd\u30b1\u30c3\u30c8\u3068\u7167\u660e<\/li>\n<li>\u30ac\u30ec\u30fc\u30b8\u3068\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7<\/li>\n<li>\u643a\u5e2f\u7528\u5de5\u5177\u3092\u4f7f\u7528\u3059\u308b\u56de\u8def<\/li>\n<li>\u6e7f\u3063\u305f\u307e\u305f\u306f\u5c0e\u96fb\u6027\u306e\u74b0\u5883<\/li>\n<\/ul>\n<p>\u9078\u3076 <code>MCB<\/code> \u4e3b\u306a\u8a2d\u8a08\u4e0a\u306e\u61f8\u5ff5\u4e8b\u9805\u304c\u4ee5\u4e0b\u306e\u5834\u5408\uff1a<\/p>\n<ul>\n<li>\u904e\u8ca0\u8377\u4fdd\u8b77\u3092\u6253\u3061\u7834\u308a\u307e\u3057\u305f<\/li>\n<li>\u77ed\u7d61\u4fdd\u8b77<\/li>\n<li>\u5206\u5c90\u56de\u8def\u30b1\u30fc\u30d6\u30eb\u306e\u4fdd\u8b77<\/li>\n<li>\u4e0b\u6d41\u306e\u5c0e\u4f53\u3068\u63a5\u7d9a\u3055\u308c\u305f\u8ca0\u8377\u3092\u904e\u96fb\u6d41\u304b\u3089\u4fdd\u8b77\u3059\u308b<\/li>\n<\/ul>\n<p>\u9078\u3076 <strong>RCCB + MCB\u306e\u7d44\u307f\u5408\u308f\u305b<\/strong> \u4e21\u65b9\u304c\u5fc5\u8981\u306a\u5834\u5408\uff1a<\/p>\n<ul>\n<li>\u500b\u4eba\u4fdd\u8b77<\/li>\n<li>\u30b1\u30fc\u30d6\u30eb\u304a\u3088\u3073\u6a5f\u5668\u306e\u904e\u96fb\u6d41\u4fdd\u8b77<\/li>\n<\/ul>\n<p>\u9078\u3076 <a href=\"https:\/\/test.viox.com\/ja\/rcbo\/\">\u30a2\u30fc\u30eb\u30b7\u30fc\u30dc<\/a> 1\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u3067\u4e21\u65b9\u306e\u6a5f\u80fd\u304c\u5fc5\u8981\u3067\u3001\u4ee5\u4e0b\u304c\u5fc5\u8981\u306a\u5834\u5408\uff1a<\/p>\n<ul>\n<li>\u500b\u5225\u56de\u8def\u4fdd\u8b77<\/li>\n<li>\u5171\u6709\u30c8\u30ea\u30c3\u30d7\u306e\u5f71\u97ff\u3092\u8efd\u6e1b<\/li>\n<li>\u3088\u308a\u30b7\u30f3\u30d7\u30eb\u306a\u5358\u4e00\u56de\u8def\u306e\u6f0f\u96fb\u4fdd\u8b77<\/li>\n<\/ul>\n<p>RCBO\u304c\u8a2d\u8a08\u30d1\u30b9\u306e\u4e00\u90e8\u3067\u3042\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/test.viox.com\/ja\/how-to-select-the-right-rcbo\/\">\u9069\u5207\u306aRCBO\u306e\u9078\u3073\u65b9<\/a>.<\/p>\n<h2>\u5b9f\u969b\u306e\u8a2d\u7f6e\u306b\u304a\u3051\u308bRCCB\u3068MCB\u306e\u6bd4\u8f03<\/h2>\n<p>\u307b\u3068\u3093\u3069\u306e\u5b9f\u7528\u7684\u306a\u30dc\u30fc\u30c9\u3067\u306f\u3001\u4fdd\u8b77\u968e\u5c64\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u306b\u3064\u3044\u3066 <a href=\"https:\/\/test.viox.com\/ja\/mcb\/\">MCB<\/a> \u306f\u3001\u904e\u8ca0\u8377\u304a\u3088\u3073\u77ed\u7d61\u304b\u3089\u56de\u8def\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/li>\n<li>\u306b\u3064\u3044\u3066 <a href=\"https:\/\/test.viox.com\/ja\/rccb\/\">RCCB<\/a> \u306f\u3001\u5730\u7d61\u3092\u76e3\u8996\u3057\u307e\u3059\u3002.<\/li>\n<li>\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308a\u3001\u8a2d\u5099\u3068\u30e6\u30fc\u30b6\u30fc\u306e\u4e21\u65b9\u304c\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002.<\/li>\n<\/ol>\n<p>\u3053\u306e\u305f\u3081\u3001\u5c02\u9580\u7684\u306a\u30d1\u30cd\u30eb\u8a2d\u8a08\u3067\u306f\u3001\u7d14\u7c8b\u306a\u4ee3\u66ff\u3068\u3057\u3066\u6c7a\u5b9a\u3092\u4e0b\u3059\u3053\u3068\u306f\u3081\u3063\u305f\u306b\u3042\u308a\u307e\u305b\u3093\u3002\u73fe\u5834\u3067\u306e\u8a2d\u7f6e\u3067\u306f\u3001\u3088\u308a\u5f79\u7acb\u3064\u8cea\u554f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u3053\u306e\u56de\u8def\u306b\u306f\u3001\u500b\u4eba\u306e\u6f0f\u96fb\u4fdd\u8b77\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/li>\n<li>\u904e\u96fb\u6d41\u4fdd\u8b77\u306f\u3059\u3067\u306b\u5b58\u5728\u3057\u307e\u3059\u304b\uff1f<\/li>\n<li>\u5171\u6709RCCB\u306f\u8a31\u5bb9\u3055\u308c\u307e\u3059\u304b\u3001\u305d\u308c\u3068\u3082\u56de\u8def\u3054\u3068\u306eRCBO\u306e\u65b9\u304c\u512a\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/li>\n<li>\u9069\u5207\u306a\u6f0f\u96fb\u611f\u5ea6\u306f\u3069\u308c\u304f\u3089\u3044\u3067\u3059\u304b\uff1f<\/li>\n<\/ul>\n<p>\u305d\u308c\u306f\u3001\u9078\u629e\u304c\u7528\u8a9e\u96c6\u306e\u8cea\u554f\u3067\u306f\u306a\u304f\u3001\u8a2d\u8a08\u4e0a\u306e\u6c7a\u5b9a\u306b\u306a\u308b\u30ec\u30d9\u30eb\u3067\u3059\u3002.<\/p>\n<h2>RCCB + MCB vs RCBO\uff1a\u906e\u65ad\u5bb9\u91cf\u3068\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u4fdd\u8b77<\/h2>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Technical-diagram-comparing-RCCB-plus-MCB-with-RCBO-protection-architecture.webp\" alt=\"Technical diagram comparing RCCB plus MCB with RCBO protection architecture\" \/><figcaption><em>RCCB + MCB\u69cb\u6210\u3068\u7d71\u5408\u3055\u308c\u305fRCBO\u4fdd\u8b77\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u6bd4\u8f03\u56f3\u3002.<\/em><\/figcaption><\/figure>\n<p>\u3053\u308c\u306f\u3001\u8b70\u8ad6\u5168\u4f53\u3067\u6700\u3082\u91cd\u8981\u306a\u8a2d\u8a08\u30c1\u30a7\u30c3\u30af\u306e1\u3064\u3067\u3059\u3002.<\/p>\n<p>RCCB\u306f\u3001\u4e3b\u306b\u6f0f\u96fb\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u3067\u3059\u3002\u904e\u96fb\u6d41\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u3068\u540c\u3058\u65b9\u6cd5\u3067\u9078\u629e\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u5b9f\u969b\u7684\u306a\u914d\u96fb\u76e4\u306e\u8a2d\u8a08\u3067\u306f\u3001\u901a\u5e38\u3001\u9069\u5207\u306b\u8abf\u6574\u3055\u308c\u305f\u4e0a\u6d41\u307e\u305f\u306f\u30b3\u30f3\u30d1\u30cb\u30aa\u30f3\u306e\u77ed\u7d61\u4fdd\u8b77\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30d1\u30cd\u30eb\u8a2d\u8a08\u8005\u306f\u6f0f\u96fb\u611f\u5ea6\u3060\u3051\u3067\u6b62\u307e\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002.<\/p>\n<p>\u3092\u8a55\u4fa1\u3059\u308b\u5834\u5408 <code>RCCB + MCB<\/code> \u914d\u7f6e\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u4ee5\u4e0b\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u8a2d\u7f6e\u5834\u6240\u3067\u306e\u4e88\u60f3\u3055\u308c\u308b\u77ed\u7d61\u96fb\u6d41<\/li>\n<li>\u306e\u906e\u65ad\u5bb9\u91cf <a href=\"https:\/\/test.viox.com\/ja\/mcb\/\">MCB<\/a> \u307e\u305f\u306f\u4e0a\u6d41\u306e\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9<\/li>\n<li>RCCB\u30e1\u30fc\u30ab\u30fc\u304c\u898f\u5b9a\u3059\u308b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u4fdd\u8b77\u307e\u305f\u306f\u8abf\u6574\u8981\u4ef6<\/li>\n<li>\u5b8c\u5168\u306a\u4fdd\u8b77\u30a2\u30bb\u30f3\u30d6\u30ea\u304c\u5229\u7528\u53ef\u80fd\u306a\u6545\u969c\u30ec\u30d9\u30eb\u306b\u9069\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b<\/li>\n<\/ul>\n<p>\u3092\u8a55\u4fa1\u3059\u308b\u5834\u5408 <a href=\"https:\/\/test.viox.com\/ja\/rcbo\/\">\u30a2\u30fc\u30eb\u30b7\u30fc\u30dc<\/a>, \u3001\u540c\u3058\u539f\u5247\u304c\u4f9d\u7136\u3068\u3057\u3066\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u6f0f\u96fb\u6a5f\u80fd\u306f\u904e\u96fb\u6d41\u4fdd\u8b77\u3068\u7d71\u5408\u3067\u304d\u307e\u3059\u304c\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u77ed\u7d61\u906e\u65ad\u80fd\u529b\u306f\u4f9d\u7136\u3068\u3057\u3066\u30b7\u30b9\u30c6\u30e0\u306e\u6545\u969c\u30ec\u30d9\u30eb\u3068\u4e00\u81f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u3053\u306e\u305f\u3081\u3001\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u304c <code>30mA A\u30bf\u30a4\u30d7<\/code> \u307e\u305f\u306f <code>30mA B\u30bf\u30a4\u30d7<\/code>. \u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u5c0b\u306d\u308b\u3060\u3051\u3067\u306f\u7d42\u308f\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u4fdd\u8b77\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u305d\u306e\u30dc\u30fc\u30c9\u306e\u6545\u969c\u30ec\u30d9\u30eb\u306b\u5bfe\u3057\u3066\u6b63\u3057\u3044\u304b\u3069\u3046\u304b\u3082\u5c0b\u306d\u307e\u3059\u3002.<\/p>\n<h2>RCCB\u9078\u629e\u306e\u57fa\u672c\uff1a\u611f\u5ea6\u3001\u30bf\u30a4\u30d7\u3001\u304a\u3088\u3073\u6975\u6570<\/h2>\n<h3>RCCB\u611f\u5ea6<\/h3>\n<p>\u4e00\u822c\u7684\u306a\u611f\u5ea6\u5b9a\u683c\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><code>30mA<\/code> \u4eba\u8eab\u4fdd\u8b77\u7528<\/li>\n<li><code>100 mA<\/code> \u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u306b\u5fdc\u3058\u3066\u3001\u4e0a\u6d41\u307e\u305f\u306f\u706b\u707d\u30ea\u30b9\u30af\u6307\u5411\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5411\u3051<\/li>\n<li><code>300 mA<\/code> \u3088\u308a\u9ad8\u5ea6\u306a\u706b\u707d\u4fdd\u8b77\u7528\u3067\u3042\u308a\u3001\u611f\u96fb\u4fdd\u8b77\u7528\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/li>\n<\/ul>\n<p>\u307b\u3068\u3093\u3069\u306e\u751f\u547d\u4fdd\u8b77\u306b\u95a2\u3059\u308b\u8b70\u8ad6\u3067\u306f\u3001, <code>30mA<\/code> \u304c\u91cd\u8981\u306a\u5024\u3067\u3059\u3002\u8a73\u7d30\u306a\u30b5\u30a4\u30b8\u30f3\u30b0\u30ed\u30b8\u30c3\u30af\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/test.viox.com\/ja\/how-to-choose-the-right-rccb-sensitivity\/\">\u9069\u5207\u306aRCCB\u611f\u5ea6\u306e\u9078\u3073\u65b9<\/a>.<\/p>\n<h3>RCCB\u30bf\u30a4\u30d7<\/h3>\n<p>\u6700\u65b0\u306e\u8ca0\u8377\u306f\u7570\u306a\u308b\u6f0f\u308c\u96fb\u6d41\u6ce2\u5f62\u3092\u751f\u6210\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u6f0f\u96fb\u906e\u65ad\u5668\u306e\u30bf\u30a4\u30d7\u304c\u91cd\u8981\u3067\u3059\u3002.<\/p>\n<ul>\n<li><code>\u30bf\u30a4\u30d7AC<\/code> \u6b63\u5f26\u6ce2AC\u6f0f\u6d29\u96fb\u6d41\u3092\u691c\u51fa\u3057\u307e\u3059<\/li>\n<li><code>\u30bf\u30a4\u30d7A<\/code> AC\u304a\u3088\u3073\u8108\u52d5DC\u6f0f\u6d29\u96fb\u6d41\u3092\u691c\u51fa\u3057\u307e\u3059<\/li>\n<li><code>\u30bf\u30a4\u30d7B<\/code> \u30b9\u30e0\u30fc\u30ba\u306aDC\u6f0f\u6d29\u96fb\u6d41\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u5408\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059<\/li>\n<\/ul>\n<p>\u6700\u65b0\u306e\u4f4f\u5b85\u304a\u3088\u3073\u8efd\u5546\u696d\u8ca0\u8377\u306e\u5834\u5408\u3001\u30bf\u30a4\u30d7A\u306f\u30bf\u30a4\u30d7AC\u3088\u308a\u3082\u95a2\u9023\u6027\u306e\u9ad8\u3044\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u306e\u8b70\u8ad6\u3068\u306a\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>\u5b9f\u8df5\u7684\u306a\u30bf\u30a4\u30d7\u9078\u629e\u306e\u4f8b<\/h3>\n<p>\u3053\u3053\u304b\u3089\u9078\u629e\u306f\u7406\u8ad6\u7684\u3067\u306f\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u9069\u5207\u306a\u6f0f\u96fb\u906e\u65ad\u5668\u306e\u30bf\u30a4\u30d7\u306f\u3001\u63a5\u7d9a\u3055\u308c\u305f\u8ca0\u8377\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u307e\u3059\u3002.<\/p>\n<ul>\n<li>\u30bd\u30b1\u30c3\u30c8\u3001\u7167\u660e\u3001\u6d17\u6fef\u6a5f\u3001\u304a\u3088\u3073\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u30d9\u30fc\u30b9\u306e\u30a8\u30a2\u30b3\u30f3\u306b\u96fb\u529b\u3092\u4f9b\u7d66\u3059\u308b\u6a19\u6e96\u7684\u306a\u4f4f\u5b85\u7528\u6700\u7d42\u56de\u8def\u306e\u5834\u5408\u3001, <code>\u30bf\u30a4\u30d7A<\/code> \u591a\u304f\u306e\u6700\u65b0\u306e\u5bb6\u96fb\u88fd\u54c1\u306b\u306f\u96fb\u5b50\u5236\u5fa1\u304a\u3088\u3073\u6574\u6d41\u6bb5\u968e\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u901a\u5e38\u3001\u3088\u308a\u73fe\u5b9f\u7684\u306a\u51fa\u767a\u70b9\u3068\u306a\u308a\u307e\u3059\u3002.<\/li>\n<li>EV\u5145\u96fb\u5668\u3001PV\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3001\u307e\u305f\u306f\u5468\u6ce2\u6570\u30b3\u30f3\u30d0\u30fc\u30bf\u30fc\u3084\u3088\u308a\u8907\u96d1\u306a\u30d1\u30ef\u30fc\u30a8\u30ec\u30af\u30c8\u30ed\u30cb\u30af\u30b9\u3092\u5099\u3048\u305f\u7523\u696d\u7528\u6a5f\u5668\u306e\u5834\u5408\u3001\u6f0f\u6d29\u96fb\u6d41\u6ce2\u5f62\u306e\u554f\u984c\u306f\u3088\u308a\u8981\u6c42\u304c\u53b3\u3057\u304f\u306a\u308a\u307e\u3059\u3002\u5145\u96fb\u5668\u307e\u305f\u306f\u30c9\u30e9\u30a4\u30d6\u306e\u8a2d\u8a08\u306b\u5fdc\u3058\u3066\u3001 <code>\u30bf\u30a4\u30d7B<\/code> \u30c7\u30d0\u30a4\u30b9\u3001\u307e\u305f\u306f\u6a5f\u5668\u306b\u7d44\u307f\u8fbc\u307e\u308c\u305f\u8ffd\u52a0\u306eDC\u6f0f\u6d29\u96fb\u6d41\u4fdd\u8b77\u3092\u5099\u3048\u305f\u30bf\u30a4\u30d7A\u30d9\u30fc\u30b9\u306e\u69cb\u6210\u304c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8a2d\u8a08\u304a\u3088\u3073\u9069\u7528\u3055\u308c\u308b\u898f\u683c\u306b\u3088\u3063\u3066\u8981\u6c42\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<\/ul>\n<p>\u3053\u308c\u306fEV\u5145\u96fb\u3067\u7279\u306b\u91cd\u8981\u3067\u3059\u3002IEC 60364-7-722\u306e\u67a0\u7d44\u307f\u3067\u306f\u3001\u5145\u96fb\u30dd\u30a4\u30f3\u30c8\u306f\u3001EVSE\u304c\u3059\u3067\u306b <code>\u30bf\u30a4\u30d7A<\/code> IEC 62955\u306b\u6e96\u62e0\u3057\u305fRDC-DD\u6a5f\u80fd\u3092\u4ecb\u3057\u305f <code>6 mA DC<\/code> \u6f0f\u6d29\u96fb\u6d41\u691c\u51fa\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u4e0a\u6d41\u3067\u30c7\u30d0\u30a4\u30b9\u306b\u3088\u3063\u3066\u4fdd\u8b77\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30bf\u30a4\u30d7B\u3092\u3059\u3079\u3066\u306e\u5834\u6240\u306b\u6307\u5b9a\u3059\u308b\u3088\u308a\u3082\u3001\u610f\u5473\u306e\u3042\u308b\u30b3\u30b9\u30c8\u6700\u9069\u5316\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u305d\u306e\u7d44\u307f\u8fbc\u307f\u306e6 mA DC\u691c\u51fa\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u3001\u307e\u305f\u306f\u6a5f\u5668\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u7570\u306a\u308b\u4fdd\u8b77\u69cb\u6210\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u4e0a\u6d41\u30c7\u30d0\u30a4\u30b9\u306e\u6226\u7565\u3092\u305d\u308c\u306b\u5fdc\u3058\u3066\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u5b9f\u969b\u306b\u306f\u3001\u3053\u308c\u304c\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u4fa1\u683c\u3060\u3051\u3067RCCB\u30bf\u30a4\u30d7\u3092\u9078\u629e\u3059\u3079\u304d\u3067\u306f\u306a\u3044\u7406\u7531\u3067\u3059\u3002\u57fa\u672c\u7684\u306a\u30bf\u30a4\u30d7AC\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u7d19\u9762\u4e0a\u3067\u306f\u8a31\u5bb9\u7bc4\u56f2\u306b\u898b\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u6700\u65b0\u306e\u96fb\u5b50\u8ca0\u8377\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u56de\u8def\u306b\u306f\u4e0d\u9069\u5207\u306a\u9078\u629e\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u56de\u8def\u306bEV\u5145\u96fb\u3001\u592a\u967d\u5149\u767a\u96fb\u3001\u307e\u305f\u306f\u9ad8\u5ea6\u306a\u30e2\u30fc\u30bf\u30fc\u5236\u5fa1\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5e38\u306b\u6a5f\u5668\u30e1\u30fc\u30ab\u30fc\u306e\u30ac\u30a4\u30c0\u30f3\u30b9\u3068\u95a2\u9023\u3059\u308b\u8a2d\u7f6e\u898f\u683c\u306b\u57fa\u3065\u3044\u3066\u30c7\u30d0\u30a4\u30b9\u306e\u8981\u4ef6\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h3>\u30dd\u30fc\u30eb\u69cb\u6210<\/h3>\n<ul>\n<li><code>2\u6975RCCB<\/code> \u306f\u901a\u5e38\u3001\u5358\u76f8\u30b7\u30b9\u30c6\u30e0\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059<\/li>\n<li><code>4\u6975RCCB<\/code> \u306f\u3001\u8a2d\u7f6e\u8a2d\u8a08\u3067\u5fc5\u8981\u306a\u4e2d\u6027\u7dda\u76e3\u8996\u3092\u5099\u3048\u305f\u4e09\u76f8\u30b7\u30b9\u30c6\u30e0\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059<\/li>\n<\/ul>\n<p>\u76e3\u8996\u5bfe\u8c61\u306e\u3059\u3079\u3066\u306e\u901a\u96fb\u5c0e\u4f53\u304c\u6f0f\u6d29\u96fb\u6d41\u691c\u77e5\u7d4c\u8def\u3092\u901a\u904e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001\u6b63\u3057\u3044\u6975\u6570\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002.<\/p>\n<h2>MCB\u3068RCB\u306e\u9055\u3044<\/h2>\n<p>\u591a\u304f\u306e\u5e02\u5834\u3067\u306f\u3001, <code>RCB<\/code> \u306f\u3001\u6f0f\u96fb\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306e\u7565\u8a9e\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u6280\u8853\u7684\u306b\u306f\u3001\u3053\u306e\u7528\u8a9e\u306f\u3088\u308a\u5e83\u304f\u3001 <code>RCCB<\/code>.<\/p>\n<p>\u3088\u308a\u3082\u6b63\u78ba\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5b9f\u969b\u306e\u8cfc\u5165\u3068\u9078\u629e\u306e\u5834\u5408\uff1a<\/p>\n<ul>\n<li><code>MCB<\/code> = \u904e\u96fb\u6d41\u4fdd\u8b77\u306e\u307f<\/li>\n<li><code>RCB<\/code> \u307e\u305f\u306f <code>RCD<\/code> = \u6f0f\u96fb\u4fdd\u8b77\u30d5\u30a1\u30df\u30ea\u30fc<\/li>\n<li><code>RCCB<\/code> = \u4e00\u4f53\u578b\u904e\u96fb\u6d41\u4fdd\u8b77\u306e\u306a\u3044\u6f0f\u96fb\u906e\u65ad\u5668<\/li>\n<li><code>\u30a2\u30fc\u30eb\u30b7\u30fc\u30dc<\/code> = 1\u3064\u306e\u30e6\u30cb\u30c3\u30c8\u306b\u6f0f\u96fb+\u904e\u96fb\u6d41\u4fdd\u8b77<\/li>\n<\/ul>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u8ab0\u304b\u304c <code>MCB\u3068RCB\u306e\u9055\u3044<\/code>, \u3092\u5c0b\u306d\u305f\u5834\u5408\u3001\u5b9f\u969b\u7684\u306a\u7b54\u3048\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<p><strong>MCB\u306f\u904e\u8ca0\u8377\u304a\u3088\u3073\u77ed\u7d61\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002RCB\u30d5\u30a1\u30df\u30ea\u30fc\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u6f0f\u6d29\u96fb\u6d41\u306e\u6545\u969c\u304a\u3088\u3073\u611f\u96fb\u306e\u30ea\u30b9\u30af\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/strong><\/p>\n<p>\u7528\u8a9e\u30ec\u30d9\u30eb\u306e\u5185\u8a33\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/test.viox.com\/ja\/rcb-full-form-residual-current-breaker\/\">\u96fb\u6c17\u306b\u304a\u3051\u308bRCB\u306e\u6b63\u5f0f\u540d\u79f0\uff1a\u6f0f\u96fb\u906e\u65ad\u5668<\/a> \u305d\u3057\u3066 <a href=\"https:\/\/test.viox.com\/ja\/rccb-full-form-understanding-residual-current-circuit-breakers\/\">RCCB \u30d5\u30eb\u30d5\u30a9\u30fc\u30e0\u6b8b\u7559\u96fb\u6d41\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u3092\u7406\u89e3\u3059\u308b<\/a>.<\/p>\n<h2>RCCB vs MCB vs RCBO<\/h2>\n<p>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u57fa\u672c\u7684\u306a\u8a8d\u8b58\u3092\u8d85\u3048\u308b\u3068\u3001\u591a\u304f\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u30d0\u30a4\u30e4\u30fc\u306f <code>RCCB\u3068MCB<\/code> \u3092\u5c0b\u306d\u308b\u306e\u3092\u3084\u3081\u3001RCBO\u306e\u65b9\u304c\u512a\u308c\u305f\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u5c0b\u306d\u59cb\u3081\u307e\u3059\u3002.<\/p>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\">\n<thead>\n<tr>\n<th style=\"padding: 8px;\">\u88c5\u7f6e<\/th>\n<th style=\"padding: 8px;\">\u904e\u8ca0\u8377\u4fdd\u8b77<\/th>\n<th style=\"padding: 8px;\">\u77ed\u7d61\u4fdd\u8b77<\/th>\n<th style=\"padding: 8px;\">\u5730\u7d61\u4fdd\u8b77<\/th>\n<th style=\"padding: 8px;\">\u4e00\u822c\u7684\u306a\u4f7f\u7528\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\">MCB<\/td>\n<td style=\"padding: 8px;\">\u3042\u308a<\/td>\n<td style=\"padding: 8px;\">\u3042\u308a<\/td>\n<td style=\"padding: 8px;\">No<\/td>\n<td style=\"padding: 8px;\">\u6a19\u6e96\u7684\u306a\u5206\u5c90\u56de\u8def\u904e\u96fb\u6d41\u4fdd\u8b77<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">RCCB<\/td>\n<td style=\"padding: 8px;\">No<\/td>\n<td style=\"padding: 8px;\">No<\/td>\n<td style=\"padding: 8px;\">\u3042\u308a<\/td>\n<td style=\"padding: 8px;\">\u500b\u5225\u306eMCB\u3092\u5099\u3048\u305f\u5171\u6709\u6f0f\u6d29\u4fdd\u8b77<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">\u30a2\u30fc\u30eb\u30b7\u30fc\u30dc<\/td>\n<td style=\"padding: 8px;\">\u3042\u308a<\/td>\n<td style=\"padding: 8px;\">\u3042\u308a<\/td>\n<td style=\"padding: 8px;\">\u3042\u308a<\/td>\n<td style=\"padding: 8px;\">\u7d44\u307f\u5408\u308f\u305b\u305f\u6a5f\u80fd\u3092\u5099\u3048\u305f\u500b\u5225\u306e\u56de\u8def\u4fdd\u8b77<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u30d1\u30cd\u30eb\u30b9\u30da\u30fc\u30b9\u3001\u4e0d\u8981\u306a\u30c8\u30ea\u30c3\u30d7\u306e\u5206\u96e2\u3001\u304a\u3088\u3073\u56de\u8def\u3054\u3068\u306e\u9078\u629e\u6027\u304c\u91cd\u8981\u306a\u5834\u5408\u3001, <a href=\"https:\/\/test.viox.com\/ja\/rcbo\/\">\u30a2\u30fc\u30eb\u30b7\u30fc\u30dc<\/a> \u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u3088\u308a\u512a\u308c\u305f\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u4e0a\u306e\u7b54\u3048\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p>\u3088\u308a\u6df1\u3044\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u6bd4\u8f03\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/test.viox.com\/ja\/rcbo-vs-rccb-mcb-comparison-space-cost-selectivity\/\">RCBO vs RCCB + MCB\uff1a\u30b9\u30da\u30fc\u30b9\u3001\u30b3\u30b9\u30c8\u3001\u304a\u3088\u3073\u9078\u629e\u6027\u306e\u6bd4\u8f03<\/a>.<\/p>\n<h2>RCCB\u3068MCB\u306e\u9078\u629e\u306b\u304a\u3051\u308b\u4e00\u822c\u7684\u306a\u9593\u9055\u3044<\/h2>\n<h3>1. \u611f\u96fb\u4fdd\u8b77\u304c\u5fc5\u8981\u306a\u5834\u6240\u3067MCB\u306e\u307f\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n<p>\u3053\u308c\u306f\u6700\u3082\u4e00\u822c\u7684\u306a\u6982\u5ff5\u7684\u306a\u9593\u9055\u3044\u3067\u3059\u3002MCB\u306e\u307f\u306e\u4fdd\u8b77\u306f\u3001\u6f0f\u96fb\u4fdd\u8b77\u304c\u671f\u5f85\u3055\u308c\u308b\u6e7f\u3063\u305f\u3001\u5c4b\u5916\u3001\u307e\u305f\u306f\u9ad8\u63a5\u89e6\u56de\u8def\u3067\u306f\u4e0d\u5b8c\u5168\u3067\u3059\u3002.<\/p>\n<h3>2. RCCB\u304c\u904e\u96fb\u6d41\u4fdd\u8b77\u3092\u7f6e\u304d\u63db\u3048\u308b\u3068\u60f3\u5b9a\u3059\u308b<\/h3>\n<p>RCCB\u306f\u3001MCB\u306e\u904e\u96fb\u6d41\u6a5f\u80fd\u3092\u7f6e\u304d\u63db\u3048\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u9069\u5207\u306a\u4e0a\u6d41\u307e\u305f\u306f\u9023\u643a\u3055\u308c\u305f\u904e\u96fb\u6d41\u4fdd\u8b77\u306a\u3057\u306bRCCB\u306e\u307f\u3092\u8a2d\u7f6e\u3059\u308b\u3068\u3001\u8a2d\u7f6e\u306f\u4e0d\u5b8c\u5168\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<h3>3. \u9593\u9055\u3063\u305fRCCB\u611f\u5ea6\u3092\u9078\u629e\u3059\u308b<\/h3>\n<p>\u6f0f\u6d29\u96fb\u6d41\u306e\u3057\u304d\u3044\u5024\u304c\u9ad8\u3059\u304e\u308b\u3068\u3001\u610f\u56f3\u3057\u305f\u4eba\u8eab\u4fdd\u8b77\u3092\u63d0\u4f9b\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u4f4e\u3059\u304e\u308b\u3068\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u4e0d\u9069\u5207\u306a\u5834\u5408\u306b\u4e0d\u8981\u306a\u30c8\u30ea\u30c3\u30d7\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>4. \u30c7\u30d0\u30a4\u30b9\u30bf\u30a4\u30d7\u3092\u7121\u8996\u3059\u308b<\/h3>\n<p>\u96fb\u5b50\u96fb\u529b\u5909\u63db\u3092\u5099\u3048\u305f\u8ca0\u8377\u306f\u3001\u5fc5\u8981\u306a\u6f0f\u96fb\u906e\u65ad\u5668\u306e\u30bf\u30a4\u30d7\u3092\u5909\u66f4\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u304c\u3001\u53e4\u3044 <code>\u30bf\u30a4\u30d7AC<\/code> \u524d\u63d0\u304c\u3059\u3079\u3066\u306e\u6700\u65b0\u306e\u8ca0\u8377\u306b\u9069\u5408\u3057\u306a\u304f\u306a\u3063\u305f\u7406\u7531\u306e1\u3064\u3067\u3059\u3002.<\/p>\n<h3>5. \u77ed\u7d61\u8abf\u6574\u3068\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u4fdd\u8b77\u3092\u7121\u8996\u3059\u308b<\/h3>\n<p>\u9069\u5207\u306a\u6f0f\u6d29\u6a5f\u80fd\u3092\u9078\u629e\u3059\u308b\u3060\u3051\u3067\u306f\u5341\u5206\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4fdd\u8b77\u69cb\u6210\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u305d\u306e\u30dd\u30a4\u30f3\u30c8\u3067\u4f7f\u7528\u53ef\u80fd\u306a\u6545\u969c\u96fb\u6d41\u306b\u3082\u9069\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>\u30c7\u30d0\u30a4\u30b9\u306e\u6a5f\u80fd\u3092\u660e\u78ba\u306b\u305b\u305a\u306b\u7528\u8a9e\u3092\u6df7\u540c\u3059\u308b<\/h3>\n<p>\u30e6\u30fc\u30b6\u30fc\u306f\u3057\u3070\u3057\u3070\u8a00\u3046 <code>RCB<\/code>, <code>RCD<\/code>\u305d\u3057\u3066 <code>RCCB<\/code> \u3092\u4e92\u63db\u7684\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u4f1a\u8a71\u3067\u306f\u4e00\u822c\u7684\u3067\u3059\u304c\u3001\u4ed5\u69d8\u3068\u8abf\u9054\u306b\u304a\u3044\u3066\u306f\u3001\u6b63\u78ba\u306a\u30c7\u30d0\u30a4\u30b9\u30bf\u30a4\u30d7\u304c\u91cd\u8981\u3067\u3059\u3002.<\/p>\n<h2>\u63a8\u5968\u3055\u308c\u308b\u4fdd\u8b77\u6226\u7565<\/h2>\n<p>\u6700\u3082\u6280\u8853\u7684\u306b\u5065\u5168\u306a\u63a8\u5968\u4e8b\u9805\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u4f7f\u7528\u3059\u308b <a href=\"https:\/\/test.viox.com\/ja\/mcb\/\">MCB<\/a> \u904e\u8ca0\u8377\u304a\u3088\u3073\u77ed\u7d61\u4fdd\u8b77\u7528<\/li>\n<li>\u4f7f\u7528\u3059\u308b <a href=\"https:\/\/test.viox.com\/ja\/rccb\/\">RCCB<\/a> \u5730\u7d61\u304a\u3088\u3073\u4eba\u8eab\u4fdd\u8b77\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n<li>\u4f7f\u7528\u3059\u308b <a href=\"https:\/\/test.viox.com\/ja\/rcbo\/\">\u30a2\u30fc\u30eb\u30b7\u30fc\u30dc<\/a> \u4e21\u65b9\u30921\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u3067\u5b9f\u73fe\u3057\u305f\u3044\u5834\u5408<\/li>\n<\/ul>\n<p>\u305d\u308c\u304c\u3001\u3053\u306e\u30c8\u30d4\u30c3\u30af\u306b\u95a2\u3059\u308b\u307b\u3068\u3093\u3069\u306e\u73fe\u5834\u9078\u629e\u306e\u8b70\u8ad6\u306e\u80cc\u5f8c\u306b\u3042\u308b\u5b9f\u969b\u7684\u306a\u7b54\u3048\u3067\u3059\u3002.<\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3>RCCB\u3068MCB\u306e\u4e3b\u306a\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u4e3b\u306a\u9055\u3044\u306f\u3001\u691c\u51fa\u3059\u308b\u6545\u969c\u306e\u7a2e\u985e\u3067\u3059\u3002RCCB\u306f\u5730\u7d61\u96fb\u6d41\u306e\u4e0d\u5e73\u8861\u3092\u691c\u51fa\u3057\u3001MCB\u306f\u904e\u8ca0\u8377\u96fb\u6d41\u3068\u77ed\u7d61\u96fb\u6d41\u3092\u691c\u51fa\u3057\u307e\u3059\u3002.<\/p>\n<h3>RCCB\u306e\u6a5f\u80fd\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p>RCCB\u306e\u4e3b\u306a\u5f79\u5272\u306f\u3001\u610f\u56f3\u3055\u308c\u305f\u56de\u8def\u7d4c\u8def\u304b\u3089\u5927\u5730\u3078\u306e\u96fb\u6d41\u6f0f\u6d29\u3092\u691c\u51fa\u3057\u3001\u305d\u306e\u6f0f\u6d29\u304c\u6df1\u523b\u306a\u611f\u96fb\u3084\u706b\u707d\u306e\u5371\u967a\u3068\u306a\u308b\u524d\u306b\u56de\u8def\u3092\u906e\u65ad\u3059\u308b\u3053\u3068\u3067\u3059\u3002.<\/p>\n<h3>RCCB\u306fMCB\u306e\u4ee3\u308f\u308a\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n<p>RCCB\u5358\u4f53\u3067\u306f\u904e\u96fb\u6d41\u4fdd\u8b77\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u901a\u5e38\u3001RCCB\u306fMCB\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u304b\u3001RCBO\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>RCCB\u306fMCB\u3088\u308a\u512a\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u4e00\u822c\u7684\u306a\u610f\u5473\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002RCCB\u306f\u6f0f\u96fb\u304a\u3088\u3073\u611f\u96fb\u4fdd\u8b77\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002MCB\u306f\u904e\u8ca0\u8377\u304a\u3088\u3073\u77ed\u7d61\u4fdd\u8b77\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u554f\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002.<\/p>\n<h3>MCB\u3068RCB\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p>MCB\u306f\u904e\u96fb\u6d41\u6545\u969c\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002RCB\u578b\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u6f0f\u96fb\u307e\u305f\u306f\u5730\u7d61\u6545\u969c\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002\u5b9f\u969b\u306b\u306f\u3001\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u304cRCB\u3068\u8a00\u3046\u3068\u304d\u3001RCCB\u3092\u610f\u5473\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>\u306a\u305c\u79c1\u306eRCCB\u306f\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u306e\u306b\u3001MCB\u306f\u30c8\u30ea\u30c3\u30d7\u3057\u306a\u3044\u306e\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u901a\u5e38\u3001\u305d\u308c\u306f\u904e\u8ca0\u8377\u3084\u77ed\u7d61\u3067\u306f\u306a\u304f\u3001\u5730\u7d61\u306b\u3088\u308b\u6f0f\u96fb\u304c\u539f\u56e0\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002RCCB\u306f\u4e0d\u5e73\u8861\u3092\u691c\u51fa\u3057\u3001MCB\u306f\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u306e\u306b\u5341\u5206\u306a\u904e\u96fb\u6d41\u3092\u691c\u51fa\u3057\u3066\u3044\u307e\u305b\u3093\u3002.<\/p>\n<h3>\u6700\u7d42\u56de\u8def\u306b\u306f\u3001RCCB\u3068RCBO\u306e\u3069\u3061\u3089\u3092\u4f7f\u7528\u3059\u3079\u304d\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3>\n<p>\u5358\u4e00\u56de\u8def\u3067\u904e\u96fb\u6d41\u4fdd\u8b77\u3068\u6f0f\u96fb\u4fdd\u8b77\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u3044\u5834\u5408\u3001RCBO\uff08\u6f0f\u96fb\u906e\u65ad\u5668\u4ed8\u914d\u7dda\u7528\u906e\u65ad\u5668\uff09\u306e\u65b9\u304c\u3088\u308a\u30b9\u30de\u30fc\u30c8\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u306a\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u3082\u3057\u8a2d\u8a08\u304c\u3001\u500b\u5225\u306e\u5206\u5c90\u904e\u96fb\u6d41\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u3068\u5171\u6709\u306e\u6f0f\u96fb\u4fdd\u8b77\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001RCCB\uff08\u6f0f\u96fb\u906e\u65ad\u5668\uff09+ MCB\uff08\u914d\u7dda\u7528\u906e\u65ad\u5668\uff09\u304c\u4f9d\u7136\u3068\u3057\u3066\u9069\u5207\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u3042\u306a\u305f\u306e\u8cea\u554f\u304c <code>MCB\u306e\u4ee3\u308f\u308a\u306bRCCB\u3092\u4f7f\u7528\u3059\u308b\u7406\u7531<\/code>, \u3067\u3042\u308b\u5834\u5408\u3001\u6280\u8853\u7684\u306b\u6b63\u3057\u3044\u7b54\u3048\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<p><strong>\u611f\u96fb\u304a\u3088\u3073\u5730\u7d61\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u304c\u5fc5\u8981\u306a\u5834\u5408\u306fRCCB\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u904e\u8ca0\u8377\u304a\u3088\u3073\u77ed\u7d61\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u304c\u5fc5\u8981\u306a\u5834\u5408\u306fMCB\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307b\u3068\u3093\u3069\u306e\u5b9f\u969b\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u4e21\u65b9\u3092\u4e00\u7dd2\u306b\u4f7f\u7528\u3059\u308b\u304b\u3001\u4e21\u65b9\u306e\u6a5f\u80fd\u30921\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u3067\u5b9f\u73fe\u3057\u305f\u3044\u5834\u5408\u306fRCBO\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/strong><\/p>\n<p>\u305d\u308c\u306f\u307e\u305f\u3001\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u6700\u3082\u660e\u78ba\u306a\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<ul>\n<li><code>rccb vs mcb<\/code><\/li>\n<li><code>rccb\u3068mcb\u306e\u9055\u3044<\/code><\/li>\n<li><code>rccb\u306e\u6a5f\u80fd<\/code><\/li>\n<li><code>rccb\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc<\/code><\/li>\n<li><code>mcb\u3068rcb\u306e\u9055\u3044<\/code><\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u533a\u5225\u306f\u3001\u5b9f\u969b\u306e\u9078\u629e\u4f5c\u696d\u306b\u304a\u3044\u3066\u91cd\u8981\u3067\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u6f0f\u96fb\u4fdd\u8b77\u3001\u904e\u96fb\u6d41\u4fdd\u8b77\u3001\u304a\u3088\u3073\u6545\u969c\u30ec\u30d9\u30eb\u306e\u5354\u8abf\u306f\u3059\u3079\u3066\u540c\u6642\u306b\u6b63\u3057\u304f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u304b\u3089\u3067\u3059\u3002.<\/p>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 5528.53px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 5528.53px; left: 14px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Direct Answer You do not use an RCCB instead of an MCB for every purpose. You use an RCCB when you need electric shock and earth-leakage protection, and you use an MCB when you need overload and short-circuit protection. In most real installations, the correct answer is not RCCB or MCB, but RCCB + MCB together, or a single RCBO that combines both functions. That distinction matters because an MCB can protect cables and equipment from excessive current, but it cannot detect the small leakage currents that can pass through a human body. An RCCB is designed specifically to detect that imbalance and disconnect the circuit quickly enough to reduce [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18938,"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-18935","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\/18935","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=18935"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/18935\/revisions"}],"predecessor-version":[{"id":23286,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/18935\/revisions\/23286"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media\/18938"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media?parent=18935"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/categories?post=18935"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/tags?post=18935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}