{"id":3411,"date":"2026-03-28T09:00:00","date_gmt":"2026-03-28T01:00:00","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/blog\/the-future-of-electrical-safety-jcb1-125-miniature-circuit-breaker\/"},"modified":"2026-10-10T10:42:16","modified_gmt":"2026-10-10T02:42:16","slug":"%e9%9b%bb%e6%b0%97%e5%ae%89%e5%85%a8%e3%81%ae%e6%9c%aa%e6%9d%a5-jcb1-125-%e3%83%9f%e3%83%8b%e3%83%81%e3%83%a5%e3%82%a2%e5%9b%9e%e8%b7%af%e9%81%ae%e6%96%ad%e5%99%a8","status":"publish","type":"post","link":"https:\/\/w9-group.com\/ja\/blog\/the-future-of-electrical-safety-jcb1-125-miniature-circuit-breaker\/","title":{"rendered":"\u96fb\u6c17\u5b89\u5168\u306e\u672a\u6765\uff1aJCB1-125 \u30df\u30cb\u30c1\u30e5\u30a2\u56de\u8def\u906e\u65ad\u5668"},"content":{"rendered":"<p><!-- w9-geo-ai-questions-2026-10-10 --><\/p>\n<p>\u96fb\u6c17\u5b89\u5168\u306e\u9032\u5316\u3059\u308b\u4e16\u754c\u306b\u304a\u3044\u3066\u3001\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u306e\u5f79\u5272\u306f\u904e\u5c0f\u8a55\u4fa1\u3055\u308c\u308b\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30e1\u30fc\u30ab\u30fc\u306e\u30c8\u30c3\u30d7\u30d6\u30e9\u30f3\u30c9\u3068\u3057\u3066\u3001\u79c1\u305f\u3061\u306f\u4ee5\u4e0b\u306e\u88fd\u54c1\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3092\u8a87\u308a\u306b\u601d\u3044\u307e\u3059\u3002 <span style=\"color: #e03e2d; color: #444\"><a style=\"color: #e03e2d;\" href=\"\/ja\/jcb1-125-miniature-circuit-breaker-6ka-10ka-product\/\">JCB1-125<\/a><\/span> \u30df\u30cb\u30c1\u30e5\u30a2\u906e\u65ad\u5668\u306f\u3001\u9769\u65b0\u6027\u3068\u4fe1\u983c\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u88fd\u54c1\u3067\u3059\u3002\u5727\u5012\u7684\u306a\u77ed\u7d61\u304a\u3088\u3073\u904e\u8ca0\u8377\u4fdd\u8b77\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f\u3053\u306e\u906e\u65ad\u5668\u306f\u3001\u73fe\u4ee3\u306e\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u306e\u53b3\u3057\u3044\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p class=\"ai-decision-check\"><strong>\u8cfc\u5165\u8005\u306e\u6c7a\u5b9a\uff1a<\/strong> Compare MCB offers against one application schedule: system voltage and frequency, AC or DC duty, prospective fault current, breaking-capacity convention, trip curve, poles, inrush and ambient derating. <strong style=\"color: #d32f2f;\">Letter designations and nominal current values do not prove that two devices are equivalent.<\/strong> The exact curves and correction tables should be checked against <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/66269\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60898-1<\/a> \u307e\u305f\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u6307\u5b9a\u3055\u308c\u305f\u4ed6\u306e\u88fd\u54c1\u898f\u683c\u3002.<\/p>\n<\/p>\n<p>JCB1-125 \u30df\u30cb\u30c1\u30e5\u30a2\u906e\u65ad\u5668\u306e\u512a\u308c\u305f\u65ad\u9762\u7a4d\u306f\u6700\u5927 10kA \u3067\u3001\u5b89\u5168\u6027\u3092\u640d\u306a\u3046\u3053\u3068\u306a\u304f\u5927\u304d\u306a\u6545\u969c\u96fb\u6d41\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u306f\u3001\u96fb\u529b\u8ca0\u8377\u304c\u6fc0\u3057\u304f\u5909\u52d5\u3059\u308b\u74b0\u5883\u306b\u304a\u3044\u3066\u7279\u306b\u91cd\u8981\u3067\u3059\u3002\u30e2\u30b8\u30e5\u30fc\u30eb\u5e45\u306f\u308f\u305a\u304b 27 mm \u3067\u3001\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u304c\u3089\u5f37\u529b\u306a\u8a2d\u8a08\u3067\u3042\u308b\u305f\u3081\u3001\u4f4f\u5b85\u7528\u304a\u3088\u3073\u5546\u696d\u7528\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069\u3067\u3059\u3002\u3053\u306e\u8a2d\u8a08\u306b\u3088\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u74b0\u5883\u3067\u306e\u8a2d\u7f6e\u304c\u5bb9\u6613\u306b\u306a\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u906e\u65ad\u5668\u306e\u4fdd\u8b77\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u305f\u3081\u306b\u65e2\u5b58\u306e\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u3092\u5927\u5e45\u306b\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<p class=\"ai-decision-check\"><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5883\u754c\uff1a<\/strong> MCB\u3092\u7523\u696d\u7528\u914d\u96fb\u306b\u9069\u3057\u305f\u3082\u306e\u3068\u3057\u3066\u8a18\u8ff0\u3059\u308b\u524d\u306b\u3001\u4ee5\u4e0b\u306e\u70b9\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/102195\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60947-2:2024<\/a>, IEC 60898-1 \u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u898f\u683c\u304c\u4f7f\u7528\u76ee\u7684\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u3001\u6b63\u78ba\u306a\u30e2\u30c7\u30eb\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3001\u96fb\u5727\u4f9d\u5b58\u306e\u65ad\u8def\u5b9a\u683c\u3001\u74b0\u5883\u9650\u754c\u3001\u304a\u3088\u3073\u8a2d\u7f6e\u624b\u9806\u3092\u8981\u6c42\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6700\u7d42\u7684\u306a\u6c7a\u5b9a\u306f\u3001\u914d\u96fb\u76e4\u306e\u8a2d\u8a08\u3068\u5730\u57df\u306e\u898f\u5247\u306b\u3082\u304b\u304b\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>\n<\/p>\n<p>JCB1-125\u306e\u7279\u9577\u306e\u4e00\u3064\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u69cb\u6210\u304c\u53ef\u80fd\u306a\u3053\u3068\u3067\u3059\u30021\u6975\u30012\u6975\u30013\u6975\u3001\u307e\u305f\u306f4\u6975\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u304c\u5fc5\u8981\u304b\u3069\u3046\u304b\u306b\u95a2\u308f\u3089\u305a\u3001\u3053\u306e\u906e\u65ad\u5668\u306f\u304a\u5ba2\u69d8\u306e\u7279\u5b9a\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001JCB1-125\u306fB\u3001C\u3001\u307e\u305f\u306fD\u306e\u30ab\u30fc\u30d6\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u7528\u610f\u3055\u308c\u3066\u304a\u308a\u3001\u4fdd\u8b77\u5bfe\u8c61\u3068\u306a\u308b\u96fb\u6c17\u8ca0\u8377\u306e\u7279\u6027\u306b\u5fdc\u3058\u3066\u3055\u3089\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u67d4\u8edf\u6027\u306b\u3088\u308a\u3001\u4f4f\u5b85\u8a2d\u5099\u304b\u3089\u7523\u696d\u8a2d\u5099\u306b\u81f3\u308b\u5e45\u5e83\u3044\u7528\u9014\u306b\u9069\u5fdc\u3067\u304d\u308b\u305f\u3081\u3001\u906e\u65ad\u5668\u30e1\u30fc\u30ab\u30fc\u306e\u9593\u3067\u9ad8\u3044\u8a55\u4fa1\u3092\u5f97\u3066\u3044\u307e\u3059\u3002.<\/p>\n<\/p>\n<p>\u96fb\u6c17\u8a2d\u5099\u306b\u304a\u3051\u308b\u5b89\u5168\u6027\u306f\u4e0d\u53ef\u6b20\u3067\u3042\u308a\u3001JCB1-125\u306f\u305d\u306e\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u88fd\u54c1\u306fIEC 60898-1\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u304a\u308a\u3001\u56de\u8def\u906e\u65ad\u5668\u306e\u6027\u80fd\u3068\u4fe1\u983c\u6027\u3092\u57fa\u6e96\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u6e96\u62e0\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u54c1\u8cea\u4fdd\u8a3c\u3060\u3051\u3067\u306a\u304f\u3001\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u306e\u5168\u4f53\u7684\u306a\u5b89\u5168\u6027\u3082\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002\u307e\u305f\u3001\u63a5\u89e6\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u306e\u8ffd\u52a0\u306b\u3088\u308a\u6a5f\u80fd\u304c\u5f37\u5316\u3055\u308c\u3001\u64cd\u4f5c\u306e\u610f\u8b58\u3068\u5b89\u5168\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u8996\u899a\u7684\u306a\u30d2\u30f3\u30c8\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<\/p>\n<p>The <span style=\"color: #e03e2d; color: #444\"><a style=\"color: #e03e2d;\" href=\"\/ja\/jcb1-125-miniature-circuit-breaker-6ka-10ka-product\/\">JCB1-125<\/a><\/span> \u30df\u30cb\u30c1\u30e5\u30a2\u906e\u65ad\u5668\u306f\u3001\u9ad8\u54c1\u8cea\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u88fd\u54c1\u3092\u63d0\u4f9b\u3059\u308b\u3068\u3044\u3046\u906e\u65ad\u5668\u30e1\u30fc\u30ab\u30fc\u306e\u53d6\u308a\u7d44\u307f\u306e\u8a3c\u3067\u3059\u3002\u5f37\u529b\u306a\u6a5f\u80fd\u3001\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u3001\u304a\u3088\u3073\u56fd\u969b\u5b89\u5168\u57fa\u6e96\u3078\u306e\u6e96\u62e0\u306b\u3088\u308a\u3001\u96fb\u6c17\u5b89\u5168\u5bfe\u7b56\u3092\u5f37\u5316\u3057\u305f\u3044\u65b9\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002\u5f53\u793e\u306f\u88fd\u54c1\u306e\u9769\u65b0\u3068\u5411\u4e0a\u3092\u7d9a\u3051\u3066\u304a\u308a\u3001JCB1-125\u306f\u73fe\u4ee3\u306e\u906e\u65ad\u5668\u304c\u6301\u3064\u52b9\u7387\u6027\u3001\u5b89\u5168\u6027\u3001\u67d4\u8edf\u6027\u306b\u512a\u308c\u305f\u57fa\u6e96\u3068\u306a\u308a\u307e\u3059\u3002\u6b21\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306bJCB1-125\u3092\u304a\u9078\u3073\u304f\u3060\u3055\u3044\u3002\u512a\u308c\u305f\u96fb\u6c17\u4fdd\u8b77\u304c\u3082\u305f\u3089\u3059\u5b89\u5fc3\u611f\u3092\u304a\u78ba\u304b\u3081\u304f\u3060\u3055\u3044\u3002.<\/p>\n<\/p>\n<p class=\"ai-decision-check\"><strong>\u4fdd\u6301\u3059\u3079\u304d\u8a3c\u62e0\uff1a<\/strong> \u627f\u8a8d\u3055\u308c\u305f\u56de\u8def\u306e\u57fa\u6e96\u3001\u30d6\u30ec\u30fc\u30ab\u306e\u30e2\u30c7\u30eb\u3001\u30dd\u30fc\u30eb\u3001\u30ab\u30fc\u30d6\u3001\u5b9a\u683c\u3001\u30b3\u30f3\u30c0\u30af\u30bf\u30fc\u306e\u60f3\u5b9a\u3001\u969c\u5bb3\u30ec\u30d9\u30eb\u3001\u304a\u3088\u3073\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u6761\u4ef6\u4ed8\u304d\u4fdd\u8b77\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u8a18\u9332\u3057\u307e\u3059\u3002\u79fb\u7ba1\u6642\u306b\u3001\u69cb\u7bc9\u6642\u70b9\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3001\u691c\u67fb\u7d50\u679c\u3001\u30e2\u30c7\u30eb\u56fa\u6709\u306e\u6307\u793a\u3092\u4fdd\u6301\u3057\u3066\u304a\u304d\u3001\u5c06\u6765\u306e\u6280\u8853\u8005\u304c\u9078\u629e\u3055\u308c\u305f\u5185\u5bb9\u3068\u305d\u306e\u7406\u7531\u3092\u78ba\u8a8d\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/p>\n<p style=\"text-align: center;\" itemscope=\"1\" itemtype=\"http:\/\/schema.org\/ImageObject\"><img decoding=\"async\" src=\"https:\/\/ecdn6.globalso.com\/upload\/p\/1205\/image_product\/2024-10\/circuit-breakers-manufacturers.jpg\" alt=\"\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30e1\u30fc\u30ab\u30fc.jpg\" itemprop=\"image\"><\/p>","protected":false},"excerpt":{"rendered":"<p>JCB1-125 \u65ad\u8def\u5668\u306f\u9ad8\u3044\u5de5\u696d\u6027\u80fd\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u77ed\u7d61\u304a\u3088\u3073\u904e\u8ca0\u8377\u96fb\u6d41\u304b\u3089\u56de\u8def\u3092\u4fdd\u8b77\u3057\u307e\u3059\u30026kA\/10kA\u306e\u65ad\u8def\u5bb9\u91cf\u306b\u3088\u308a\u3001\u6700\u9069\u306a\u9078\u629e\u3068\u306a\u308a\u307e\u3059\u3002<\/p>","protected":false},"author":1,"featured_media":3799,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3411","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"acf":[],"_links":{"self":[{"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/posts\/3411","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/comments?post=3411"}],"version-history":[{"count":3,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/posts\/3411\/revisions"}],"predecessor-version":[{"id":4226,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/posts\/3411\/revisions\/4226"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/media\/3799"}],"wp:attachment":[{"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/media?parent=3411"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/categories?post=3411"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/tags?post=3411"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}