{"id":5607,"date":"2026-02-02T12:24:19","date_gmt":"2026-02-02T04:24:19","guid":{"rendered":"https:\/\/www.clin-ele.com\/?p=5607"},"modified":"2026-01-29T13:08:25","modified_gmt":"2026-01-29T05:08:25","slug":"mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use","status":"publish","type":"post","link":"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use","title":{"rendered":"MCB \u3068 MCCB: \u4e3b\u306a\u9055\u3044\u3068\u7523\u696d\u7528\u9014\u306b\u9069\u3057\u305f\u30b5\u30fc\u30ad\u30c3\u30c8 \u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u9078\u3073\u65b9"},"content":{"rendered":"<div class=\"ds-message _63c77b1\">\n<div class=\"ds-markdown\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u5207\u308a\u66ff\u3048\u307e\u3059\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u30c8\u30b0\u30eb<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#Introduction\" >\u5c0e\u5165<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#What_Is_an_MCB\" >MCB\u3068\u306f\u4f55\u3067\u3059\u304b?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#What_Is_an_MCCB\" >MCCB\u3068\u306f\u4f55\u3067\u3059\u304b?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#9_Key_Differences_Between_MCB_and_MCCB\" >MCB \u3068 MCCB \u306e 9 \u3064\u306e\u4e3b\u306a\u9055\u3044<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#Voltage_Rating_Defining_the_Operating_Realm\" >\u5b9a\u683c\u96fb\u5727: \u52d5\u4f5c\u9818\u57df\u306e\u5b9a\u7fa9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#Current_Rating_The_Load-Carrying_Scale\" >\u96fb\u6d41\u5b9a\u683c: \u8010\u8377\u91cd\u30b9\u30b1\u30fc\u30eb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#Interrupting_Capacity_The_Fault-Stopping_Power\" >\u906e\u65ad\u5bb9\u91cf: \u969c\u5bb3\u3092\u505c\u6b62\u3059\u308b\u529b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#Trip_Settings_Standardized_vs_Tailored_Protection\" >\u30c8\u30ea\u30c3\u30d7\u8a2d\u5b9a: \u6a19\u6e96\u5316\u3055\u308c\u305f\u4fdd\u8b77\u3068\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u4fdd\u8b77<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#Applications_Where_Each_One_Belongs\" >\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3: \u305d\u308c\u305e\u308c\u304c\u5c5e\u3059\u308b\u5834\u6240<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#Physical_Size_and_Poles_Space_and_System_Design\" >\u7269\u7406\u7684\u306a\u30b5\u30a4\u30ba\u3068\u6975: \u7a7a\u9593\u3068\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#Flexibility_and_Features_Basic_vs_Advanced\" >\u67d4\u8edf\u6027\u3068\u6a5f\u80fd: \u57fa\u672c\u3068\u9ad8\u5ea6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#Cost_Reflecting_Capability_and_Complexity\" >\u30b3\u30b9\u30c8: \u6a5f\u80fd\u3068\u8907\u96d1\u3055\u3092\u53cd\u6620<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#Selection_Guidelines_for_Industrial_Use\" >\u7523\u696d\u7528\u306e\u9078\u5b9a\u6307\u91dd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#Why_C-Lin_Is_the_Smart_Choice_for_Circuit_Protection_Solutions\" >C-Lin \u304c\u56de\u8def\u4fdd\u8b77\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u8ce2\u3044\u9078\u629e\u3067\u3042\u308b\u7406\u7531<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#FAQs\" >FAQ<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.clin-ele.com\/ja\/mcb-vs-mccb-key-differences-and-how-to-choose-the-right-circuit-breaker-for-industrial-use\/#Conclusion\" >\u7d50\u8ad6<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span><strong>\u5c0e\u5165<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ds-markdown-paragraph\">\n\u7523\u696d\u7528\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u306e\u8907\u96d1\u306a\u968e\u5c64\u5185\u3067\u306f\u3001\u904e\u8ca0\u8377\u3084\u77ed\u7d61\u304b\u3089\u56de\u8def\u3092\u4fdd\u8b77\u3059\u308b\u3053\u3068\u304c\u6700\u3082\u91cd\u8981\u3067\u3059\u3002\u591a\u304f\u306e\u5834\u5408\u6700\u524d\u7dda\u306b\u3042\u308b 2 \u3064\u306e\u57fa\u672c\u7684\u306a\u96fb\u6c17\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306f\u3001MCB \u3068 MCCB \u3067\u3059\u3002\u3069\u3061\u3089\u3082\u4f4e\u96fb\u5727\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3067\u3059\u304c\u3001\u3053\u308c\u3089\u3092\u6df7\u540c\u3059\u308b\u3068\u3001\u4fdd\u8b77\u4e0d\u8db3\u3001\u5b89\u5168\u4e0a\u306e\u5371\u967a\u3001\u304a\u3088\u3073\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u9055\u53cd\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30df\u30cb\u30c1\u30e5\u30a2\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab (MCB) \u3068\u30e2\u30fc\u30eb\u30c9\u30b1\u30fc\u30b9\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab (MCCB) \u306e\u91cd\u8981\u306a\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u5b89\u5168\u3001\u52b9\u7387\u7684\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u914d\u96fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8a2d\u8a08\u3057\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u305d\u308c\u3089\u306e\u4e3b\u306a\u9055\u3044\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3001\u7523\u696d\u7528\u9014\u5411\u3051\u306e\u660e\u78ba\u306a\u9078\u629e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<h2 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"What_Is_an_MCB\"><\/span><strong>\u3068\u306f\u4f55\u3067\u3059\u304b <a href=\"https:\/\/www.clin-ele.com\/ja\/product_category\/miniature-residual-current-circuit-breaker-series\/\" target=\"_blank\" rel=\"noopener\">MCB<\/a>?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ds-markdown-paragraph\">\n\u30df\u30cb\u30c1\u30e5\u30a2 \u30b5\u30fc\u30ad\u30c3\u30c8 \u30d6\u30ec\u30fc\u30ab (MCB) \u306f\u3001\u4e3b\u306b\u6700\u7d42\u30b5\u30d6\u56de\u8def\u3068\u500b\u3005\u306e\u8ca0\u8377\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u6a19\u6e96\u5316\u3055\u308c\u305f\u30b5\u30fc\u30ad\u30c3\u30c8 \u30d6\u30ec\u30fc\u30ab\u3067\u3059\u3002\u4f4f\u5b85\u7528\u3001\u5546\u696d\u7528\u3001\u8efd\u5de5\u696d\u7528\u306e\u5206\u96fb\u76e4\u3067\u3088\u304f\u898b\u3089\u308c\u307e\u3059\u3002 MCB \u306f\u3001\u904e\u8ca0\u8377\u4fdd\u8b77 (\u71b1\u30c8\u30ea\u30c3\u30d7\u6a5f\u69cb\u3092\u4f7f\u7528) \u304a\u3088\u3073\u77ed\u7d61 (\u96fb\u78c1\u30c8\u30ea\u30c3\u30d7\u3092\u4f7f\u7528) \u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u56fa\u5b9a\u3055\u308c\u305f\u8abf\u6574\u4e0d\u53ef\u80fd\u306a\u30c8\u30ea\u30c3\u30d7\u8a2d\u5b9a\u3001\u6bd4\u8f03\u7684\u4f4e\u3044\u906e\u65ad\u5bb9\u91cf\u3092\u7279\u5fb4\u3068\u3057\u3001\u3088\u308a\u4f4e\u3044\u96fb\u6d41\u5b9a\u683c\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u3089\u306e\u52d5\u4f5c\u306f\u901a\u5e38\u3001\u969c\u5bb3\u306b\u3088\u308b\u4e2d\u65ad\u306b\u5bfe\u3057\u3066\u751f\u6daf\u306b 1 \u56de\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u91cd\u5927\u306a\u77ed\u7d61\u3067\u30c8\u30ea\u30c3\u30d7\u3057\u305f\u5f8c\u306f\u4ea4\u63db\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<p><a href=\"https:\/\/www.clin-ele.com\/ja\/product\/miniature-circuit-breaker-dz47-series\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3714 size-full\" src=\"https:\/\/www.clin-ele.com\/wp-content\/uploads\/2025\/05\/DZ47-63.jpg\" alt=\"\u30df\u30cb\u30c1\u30e5\u30a2\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab DZ47-63\" width=\"800\" height=\"800\" srcset=\"https:\/\/www.clin-ele.com\/wp-content\/uploads\/2025\/05\/DZ47-63.jpg 800w, https:\/\/www.clin-ele.com\/wp-content\/uploads\/2025\/05\/DZ47-63-300x300.jpg 300w, https:\/\/www.clin-ele.com\/wp-content\/uploads\/2025\/05\/DZ47-63-150x150.jpg 150w, https:\/\/www.clin-ele.com\/wp-content\/uploads\/2025\/05\/DZ47-63-768x768.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<div class=\"ds-message _63c77b1\">\n<div class=\"ds-markdown\">\n<h2 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"What_Is_an_MCCB\"><\/span><strong>\u3068\u306f\u4f55\u3067\u3059\u304b <a href=\"https:\/\/www.clin-ele.com\/ja\/product_category\/molded-case-circuit-breaker-series\/\" target=\"_blank\" rel=\"noopener\">MCCB<\/a>?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ds-markdown-paragraph\">\n\u30e2\u30fc\u30eb\u30c9\u30b1\u30fc\u30b9\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab (MCCB) \u306f\u3001\u4e3b\u30d5\u30a3\u30fc\u30c0\u3001\u5927\u898f\u6a21\u306a\u5206\u5c90\u56de\u8def\u3001\u7523\u696d\u7528\u91cd\u8ca0\u8377\u306a\u3069\u306e\u9ad8\u30ec\u30d9\u30eb\u306e\u914d\u96fb\u7528\u306b\u8a2d\u8a08\u3055\u308c\u305f\u3001\u3088\u308a\u5805\u7262\u3067\u591a\u7528\u9014\u306e\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u3067\u3059\u3002\u540d\u524d\u304c\u793a\u3059\u3088\u3046\u306b\u3001\u305d\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u6210\u5f62\u3055\u308c\u305f\u7d76\u7e01\u30b1\u30fc\u30b9\u5185\u306b\u5c01\u5165\u3055\u308c\u3066\u3044\u307e\u3059\u3002 MCCB \u306f\u3001\u3088\u308a\u9ad8\u3044\u96fb\u6d41\u5b9a\u683c\u3001\u5927\u5e45\u306b\u512a\u308c\u305f\u77ed\u7d61\u906e\u65ad\u5bb9\u91cf\u3001\u305d\u3057\u3066\u91cd\u8981\u306a\u3053\u3068\u306b\u3001\u8abf\u6574\u53ef\u80fd\u306a\u30c8\u30ea\u30c3\u30d7\u8a2d\u5b9a\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u904e\u8ca0\u8377\u3068\u77ed\u7d61\u4fdd\u8b77\u3092\u5fae\u8abf\u6574\u3067\u304d\u307e\u3059\u3002\u4fdd\u8b77\u3055\u308c\u305f\u30b1\u30fc\u30d6\u30eb\u3068\u6a5f\u5668\u306e\u7279\u5b9a\u306e\u7279\u6027\u306b\u9069\u5408\u3057\u3001\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u7523\u696d\u7528\u56de\u8def\u4fdd\u8b77\u306e\u57fa\u790e\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<p><a href=\"https:\/\/www.clin-ele.com\/ja\/product\/molded-case-circuit-breaker-xlcm1-series\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3548 size-full\" src=\"https:\/\/www.clin-ele.com\/wp-content\/uploads\/2025\/05\/XLCM1.jpg\" alt=\"\u914d\u7dda\u7528\u906e\u65ad\u5668 XLCM1\" width=\"800\" height=\"800\" srcset=\"https:\/\/www.clin-ele.com\/wp-content\/uploads\/2025\/05\/XLCM1.jpg 800w, https:\/\/www.clin-ele.com\/wp-content\/uploads\/2025\/05\/XLCM1-300x300.jpg 300w, https:\/\/www.clin-ele.com\/wp-content\/uploads\/2025\/05\/XLCM1-150x150.jpg 150w, https:\/\/www.clin-ele.com\/wp-content\/uploads\/2025\/05\/XLCM1-768x768.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<div class=\"ds-message _63c77b1\">\n<div class=\"ds-markdown\">\n<h2 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"9_Key_Differences_Between_MCB_and_MCCB\"><\/span><strong>9 \u3064\u306e\u4e3b\u306a\u9055\u3044 <a href=\"https:\/\/www.clin-ele.com\/ja\/product_category\/miniature-residual-current-circuit-breaker-series\/\" target=\"_blank\" rel=\"noopener\">MCB<\/a> \u305d\u3057\u3066<a href=\"https:\/\/www.clin-ele.com\/ja\/product_category\/molded-case-circuit-breaker-series\/\" target=\"_blank\" rel=\"noopener\"> MCCB<\/a><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ds-markdown-paragraph\">\n\u6b21\u306e\u8868\u306f\u3001\u3053\u308c\u3089 2 \u3064\u306e\u91cd\u8981\u306a\u30c7\u30d0\u30a4\u30b9\u3092\u5305\u62ec\u7684\u306b\u4e26\u3079\u3066\u6bd4\u8f03\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<div class=\"ds-scroll-area _1210dd7 c03cafe9\">\n<table>\n<thead>\n<tr>\n<th>\u4e3b\u306a\u9055\u3044<\/th>\n<th>\u5c0f\u578b\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc (MCB)<\/th>\n<th>\u914d\u7dda\u7528\u906e\u65ad\u5668 (MCCB)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u5b9a\u683c\u96fb\u5727<\/strong><\/td>\n<td>\u3088\u308a\u4f4e\u304f\u3001\u901a\u5e38\u306f\u6700\u5927 240\/415V AC\u3002<\/td>\n<td>\u3088\u308a\u9ad8\u304f\u3001\u901a\u5e38\u306f AC 240 V \uff5e 690 V\u3001\u4e00\u90e8\u306e\u30e2\u30c7\u30eb\u3067\u306f\u6700\u5927 AC 1000 V \u306e\u5b9a\u683c\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u96fb\u6d41\u5b9a\u683c<\/strong><\/td>\n<td>\u4f4e\u3044\u7bc4\u56f2\u3001\u901a\u5e38\u306f 0.5A \uff5e 125A\u3002<\/td>\n<td>\u7bc4\u56f2\u306f\u306f\u308b\u304b\u306b\u9ad8\u304f\u3001\u901a\u5e38\u306f 15A \u304b\u3089 2500A \u4ee5\u4e0a\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u906e\u65ad\u5bb9\u91cf (Icu)<\/strong><\/td>\n<td>\u3088\u308a\u4f4e\u304f\u3001\u901a\u5e38\u306f 6kA \uff5e 25kA\u3002\u96fb\u6e90\u304b\u3089\u9060\u3044\u7b87\u6240\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/td>\n<td>\u975e\u5e38\u306b\u9ad8\u304f\u3001\u901a\u5e38\u306f 25kA \uff5e 200kA \u3067\u3059\u3002\u5909\u5727\u5668\u306e\u8fd1\u304f\u306b\u3042\u308b\u5927\u898f\u6a21\u306a\u6545\u969c\u96fb\u6d41\u3092\u906e\u65ad\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u65c5\u884c\u306e\u8a2d\u5b9a<\/strong><\/td>\n<td><strong>\u56fa\u5b9a\u5f0f\u3067\u8abf\u6574\u4e0d\u53ef\u3002<\/strong>\u00a0\u71b1\u78c1\u6c17\u30c8\u30ea\u30c3\u30d7\u66f2\u7dda\u306f\u8cfc\u5165\u6642\u306b\u5b9a\u7fa9\u3055\u308c\u307e\u3059 (\u30bf\u30a4\u30d7 B\u3001C\u3001D \u306a\u3069)\u3002<\/td>\n<td><strong>\u5b8c\u5168\u306b\u8abf\u6574\u53ef\u80fd\u3002<\/strong>\u00a0\u904e\u8ca0\u8377 (Ir) \u304a\u3088\u3073\u77ed\u7d61 (Im\u3001Ii) \u306e\u30c8\u30ea\u30c3\u30d7 \u30ec\u30d9\u30eb\u306f\u3001\u6b63\u78ba\u306a\u5024\u306b\u30c0\u30a4\u30e4\u30eb\u3067\u304d\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong><\/td>\n<td>\u30d1\u30cd\u30eb\u5185\u306e\u7167\u660e\u3001\u30bd\u30b1\u30c3\u30c8\u3001\u5c0f\u578b\u96fb\u6c17\u5668\u5177\u306e\u6700\u7d42\u56de\u8def\u4fdd\u8b77\u3002<\/td>\n<td>\u4e3b\u306a\u5165\u529b\u96fb\u6e90\u3001\u5927\u578b\u30e2\u30fc\u30bf\u30fc\u30d5\u30a3\u30fc\u30c0\u30fc\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u30d0\u30f3\u30af\u3001\u91cd\u6a5f\u4fdd\u8b77\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7269\u7406\u7684\u306a\u30b5\u30a4\u30ba<\/strong><\/td>\n<td>\u30b3\u30f3\u30d1\u30af\u30c8\u304b\u3064\u8efd\u91cf\u3067\u3001\u5206\u96fb\u76e4\u306e\u9ad8\u5bc6\u5ea6\u5316\u3092\u8003\u616e\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/td>\n<td>\u3088\u308a\u5927\u304d\u304f\u3001\u3088\u308a\u5145\u5b9f\u3057\u3066\u304a\u308a\u3001\u3088\u308a\u9ad8\u3044\u5b9a\u683c\u3068\u5185\u90e8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3088\u308a\u3001\u3088\u308a\u591a\u304f\u306e\u30d1\u30cd\u30eb\u30b9\u30da\u30fc\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5229\u7528\u53ef\u80fd\u306a\u30dd\u30fc\u30eb<\/strong><\/td>\n<td>\u4e00\u822c\u7684\u306b\u306f 1\u30012\u30013\u30014 \u6975\u3067\u3059\u3002<\/td>\n<td>2 \u6975\u30013 \u6975\u30014 \u6975\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u306e\u30d5\u30ec\u30fc\u30e0 \u30b5\u30a4\u30ba\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u304c\u8c4a\u5bcc\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u67d4\u8edf\u6027\u3068\u6a5f\u80fd<\/strong><\/td>\n<td>\u57fa\u672c\u7684\u306a\u4fdd\u8b77\u3002\u4e00\u90e8\u306e\u30e2\u30c7\u30eb\u306f\u88dc\u52a9\u63a5\u70b9\u307e\u305f\u306f\u30b7\u30e3\u30f3\u30c8\u30c8\u30ea\u30c3\u30d7\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/td>\n<td>\u67d4\u8edf\u6027\u304c\u9ad8\u3044\u3002\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u306f\u3001\u901a\u4fe1\u30e2\u30b8\u30e5\u30fc\u30eb (Modbus\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8)\u3001\u4e0d\u8db3\u96fb\u5727\u89e3\u9664\u3001\u304a\u3088\u3073\u9ad8\u5ea6\u306a\u8a3a\u65ad\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6599\u91d1<\/strong><\/td>\n<td>\u30b7\u30f3\u30d7\u30eb\u306a\u8a2d\u8a08\u3068\u6a19\u6e96\u5316\u3092\u53cd\u6620\u3057\u3066\u3001\u30e6\u30cb\u30c3\u30c8\u3042\u305f\u308a\u306e\u30b3\u30b9\u30c8\u304c\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002<\/td>\n<td>\u3088\u308a\u9ad8\u3044\u521d\u671f\u6295\u8cc7\u306f\u3001\u305d\u306e\u512a\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u8abf\u6574\u6a5f\u80fd\u3001\u304a\u3088\u3073\u4fdd\u8b77\u6a5f\u80fd\u306b\u3088\u3063\u3066\u6b63\u5f53\u5316\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"Voltage_Rating_Defining_the_Operating_Realm\"><\/span><strong>\u5b9a\u683c\u96fb\u5727: \u52d5\u4f5c\u9818\u57df\u306e\u5b9a\u7fa9<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">\n\u96fb\u5727\u5b9a\u683c\u306f\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u5b89\u5168\u306b\u906e\u65ad\u3067\u304d\u308b\u6700\u5927\u30b7\u30b9\u30c6\u30e0\u96fb\u5727\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002 MCB \u306f\u4ee5\u4e0b\u306e\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u00a0<strong>\u4f4e\u96fb\u5727<\/strong>\u00a0\u6a19\u6e96\u306e\u5546\u7528\u304a\u3088\u3073\u8efd\u5de5\u696d\u7528\u96fb\u5727 (120\/240V\u3001230\/400V \u306a\u3069) \u306b\u6700\u9069\u306a\u6700\u7d42\u914d\u96fb\u3002 MCCB \u306f\u3001\u3088\u308a\u5e83\u7bc4\u56f2\u306e\u7528\u9014\u5411\u3051\u306b\u69cb\u7bc9\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u00a0<strong>\u7523\u696d\u7528\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0<\/strong>\u3001\u30e2\u30fc\u30bf\u30fc\u30c9\u30e9\u30a4\u30d6\u3084\u5927\u578b\u6a5f\u5668\u306e\u91cd\u5de5\u696d\u3067\u4e00\u822c\u7684\u306a\u6700\u5927 AC 690 V \u306e\u30b7\u30b9\u30c6\u30e0\u3092\u5feb\u9069\u306b\u51e6\u7406\u3057\u307e\u3059\u3002 480V \u56de\u8def\u3067 MCB \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u5b89\u5168\u3067\u306a\u304f\u3001\u6e96\u62e0\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<h3 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"Current_Rating_The_Load-Carrying_Scale\"><\/span><strong>\u96fb\u6d41\u5b9a\u683c: \u8010\u8377\u91cd\u30b9\u30b1\u30fc\u30eb<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">\n\u3053\u308c\u306f\u6700\u3082\u76ee\u306b\u898b\u3048\u308b\u9055\u3044\u306e 1 \u3064\u3067\u3059\u3002 MCB \u306f\u3001\u5358\u4e00\u306e\u6a5f\u68b0\u56de\u8def\u3001\u30b3\u30f3\u30bb\u30f3\u30c8\u306e\u30b0\u30eb\u30fc\u30d7\u3001\u7167\u660e\u5668\u5177\u306a\u3069\u306e\u5c0f\u898f\u6a21\u306a\u8ca0\u8377\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u305d\u306e\u7bc4\u56f2\u306f\u7d04 125A \u306b\u9054\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001MCCB \u306f\u3001\u5927\u96fb\u6d41\u3092\u6d41\u3057\u3001\u4fdd\u8b77\u3059\u308b\u3088\u3046\u306b\u4f5c\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u00a0<strong>\u914d\u96fb<\/strong>\u00a0\u30d5\u30a3\u30fc\u30c0\u30fc\u3002\u8907\u6570\u306e\u6a5f\u68b0\u306b\u96fb\u529b\u3092\u4f9b\u7d66\u3059\u308b\u30b5\u30d6\u30d1\u30cd\u30eb\u5168\u4f53\u3001\u307e\u305f\u306f\u5b9a\u683c\u304c\u6570\u5343\u30a2\u30f3\u30da\u30a2\u306b\u53ca\u3076\u30b3\u30f3\u30d7\u30ec\u30c3\u30b5\u30fc\u3084\u30dd\u30f3\u30d7\u306a\u3069\u306e\u5358\u4e00\u306e\u5927\u578b\u6a5f\u5668\u3092\u4fdd\u8b77\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"Interrupting_Capacity_The_Fault-Stopping_Power\"><\/span><strong>\u906e\u65ad\u5bb9\u91cf: \u969c\u5bb3\u3092\u505c\u6b62\u3059\u308b\u529b<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">\n\u77ed\u7d61\u906e\u65ad\u5bb9\u91cf (Icu) \u306f\u91cd\u8981\u306a\u5b89\u5168\u57fa\u6e96\u3067\u3059\u3002\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u7834\u58ca\u3055\u308c\u308b\u3053\u3068\u306a\u304f\u906e\u65ad\u3067\u304d\u308b\u6700\u5927\u6545\u969c\u96fb\u6d41\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u5927\u578b\u5909\u5727\u5668\u306e\u8fd1\u304f\u306b\u3042\u308b\u5de5\u696d\u74b0\u5883\u3067\u306f\u3001\u6545\u969c\u96fb\u6d41\u304c\u975e\u5e38\u306b\u9ad8\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5b9a\u683c 10kA \u306e MCB \u306f\u300150kA \u306e\u969c\u5bb3\u3092\u906e\u65ad\u3059\u308b\u3088\u3046\u306b\u8981\u6c42\u3055\u308c\u305f\u5834\u5408\u3001\u6587\u5b57\u901a\u308a\u7206\u767a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 MCCB \u306f\u3001\u5805\u7262\u306a\u69cb\u9020\u3068 65kA\u3001100kA\u3001\u307e\u305f\u306f\u305d\u308c\u4ee5\u4e0a\u306e\u5b9a\u683c\u3092\u5099\u3048\u3001\u3053\u308c\u3089\u306e\u58ca\u6ec5\u7684\u306a\u969c\u5bb3\u3092\u5b89\u5168\u306b\u89e3\u6d88\u3057\u3001\u4eba\u54e1\u3068\u4eba\u54e1\u306e\u4e21\u65b9\u3092\u4fdd\u8b77\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4e0a\u6d41\u306e\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3002<\/p>\n<h3 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"Trip_Settings_Standardized_vs_Tailored_Protection\"><\/span><strong>\u30c8\u30ea\u30c3\u30d7\u8a2d\u5b9a: \u6a19\u6e96\u5316\u3055\u308c\u305f\u4fdd\u8b77\u3068\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u4fdd\u8b77<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">\n\u3053\u306e\u9055\u3044\u304c\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u7528\u9014\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002 MCB \u306b\u306f\u3001\u4e8b\u524d\u306b\u5b9a\u7fa9\u3055\u308c\u305f\u30c8\u30ea\u30c3\u30d7\u66f2\u7dda (\u4f4f\u5b85\/\u5546\u696d\/\u7523\u696d\u306e\u7a81\u5165\u96fb\u6d41\u306e\u5834\u5408\u306f B\u3001C\u3001D) \u304c\u3042\u308a\u307e\u3059\u3002\u30ab\u30fc\u30d6\u3092\u9078\u629e\u3057\u307e\u3059\u304c\u3001\u305d\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u5909\u66f4\u3067\u304d\u307e\u305b\u3093\u3002 MCCB \u306e\u8abf\u6574\u53ef\u80fd\u306a\u30c8\u30ea\u30c3\u30d7\u8a2d\u5b9a\u306b\u3088\u308a\u3001\u00a0<strong>\u8abf\u6574<\/strong>\u3002\u9577\u6642\u9593\u30d4\u30c3\u30af\u30a2\u30c3\u30d7 (Ir) \u306f\u30b1\u30fc\u30d6\u30eb\u306e\u96fb\u6d41\u5bb9\u91cf\u306b\u6b63\u78ba\u306b\u4e00\u81f4\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3067\u304d\u3001\u77ed\u6642\u9593\u30d4\u30c3\u30af\u30a2\u30c3\u30d7 (Im) \u306f\u4e0b\u6d41\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u8efd\u5fae\u306a\u969c\u5bb3\u3092\u6700\u521d\u306b\u89e3\u6c7a\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3001\u77ac\u9593\u30d4\u30c3\u30af\u30a2\u30c3\u30d7 (Ii) \u306f\u7a76\u6975\u306e\u4fdd\u8b77\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u8ff7\u60d1\u306a\u30c8\u30ea\u30c3\u30d7\u304c\u9632\u6b62\u3055\u308c\u3001\u969c\u5bb3\u306b\u6700\u3082\u8fd1\u3044\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u307f\u304c\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u5065\u5168\u306a\u56de\u8def\u3078\u306e\u96fb\u529b\u304c\u7dad\u6301\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"Applications_Where_Each_One_Belongs\"><\/span><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3: \u305d\u308c\u305e\u308c\u304c\u5c5e\u3059\u308b\u5834\u6240<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">\n\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u9078\u629e\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002\u4f7f\u7528\u00a0<strong>MCB<\/strong>\u00a0\u300c\u30e9\u30a4\u30f3\u306e\u7d42\u70b9\u300d \u2013 \u6a5f\u68b0\u5236\u5fa1\u30d1\u30cd\u30eb\u5185 (\u6a5f\u68b0\u30e1\u30fc\u30ab\u30fc\u306e\u6307\u5b9a\u306b\u3088\u308b)\u3001\u5206\u5c90\u7167\u660e\u56de\u8def\u7528\u3001\u307e\u305f\u306f\u5c0f\u3055\u306a\u30b5\u30d6\u30d1\u30cd\u30eb\u5185\u3002\u4f7f\u7528\u00a0<strong>MCCB<\/strong>\u00a0\u300c\u30bd\u30fc\u30b9\u304a\u3088\u3073\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u300d \u2013 \u6a5f\u68b0\u307e\u305f\u306f\u751f\u7523\u30e9\u30a4\u30f3\u5168\u4f53\u306e\u4e3b\u65ad\u8def\u3068\u3057\u3066\u3001\u5909\u5727\u5668\u304b\u3089\u914d\u96fb\u76e4\u307e\u3067\u306e\u30d5\u30a3\u30fc\u30c0\u30fc\u30b1\u30fc\u30d6\u30eb\u3068\u3057\u3066\u3001\u307e\u305f\u306f\u8abf\u6574\u53ef\u80fd\u306a\u904e\u8ca0\u8377\u8a2d\u5b9a\u304c\u30e2\u30fc\u30bf\u30fc\u306e\u5168\u8ca0\u8377\u96fb\u6d41 (FLC) \u306b\u4e00\u81f4\u3059\u308b\u5927\u578b\u30e2\u30fc\u30bf\u30fc\u3092\u76f4\u63a5\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/p>\n<h3 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"Physical_Size_and_Poles_Space_and_System_Design\"><\/span><strong>\u7269\u7406\u7684\u306a\u30b5\u30a4\u30ba\u3068\u6975: \u7a7a\u9593\u3068\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">\n\u96fb\u6d41\u3068\u906e\u65ad\u5bb9\u91cf\u304c\u5927\u304d\u304f\u306a\u308b\u307b\u3069\u3001\u5185\u90e8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8 (\u63a5\u70b9\u3001\u30a2\u30fc\u30af\u30b7\u30e5\u30fc\u30c8) \u304c\u5927\u304d\u304f\u306a\u308a\u3001\u7269\u7406\u7684\u306a\u8a2d\u7f6e\u9762\u7a4d\u304c\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002 MCB \u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u5f0f\u3067\u3001DIN \u30ec\u30fc\u30eb\u306b\u30b9\u30ca\u30c3\u30d7\u30aa\u30f3\u3067\u304d\u308b\u305f\u3081\u3001\u9ad8\u5bc6\u5ea6\u5b9f\u88c5\u304c\u53ef\u80fd\u3067\u3059\u3002 MCCB \u306f\u304b\u306a\u308a\u306e\u30d1\u30cd\u30eb\u9762\u7a4d\u3092\u5fc5\u8981\u3068\u3057\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u5c02\u7528\u306e\u53d6\u308a\u4ed8\u3051\u30ad\u30c3\u30c8\u304c\u5fc5\u8981\u3067\u3059\u3002\u6975\u69cb\u6210 (3 \u6975\u30014 \u6975) \u306e\u5229\u7528\u53ef\u80fd\u6027\u306f\u540c\u69d8\u3067\u3059\u304c\u3001MCCB \u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30b7\u30b9\u30c6\u30e0 \u30cb\u30fc\u30ba (\u4f8b: \u4e09\u76f8\u5bfe\u4e09\u76f8+) \u306b\u5408\u308f\u305b\u3066\u3001\u975e\u5e38\u306b\u5e45\u5e83\u3044\u30d5\u30ec\u30fc\u30e0 \u30b5\u30a4\u30ba\u306b\u308f\u305f\u3063\u3066\u3053\u308c\u3089\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u4e2d\u7acb\u4fdd\u8b77\uff09\u3002<\/p>\n<h3 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"Flexibility_and_Features_Basic_vs_Advanced\"><\/span><strong>\u67d4\u8edf\u6027\u3068\u6a5f\u80fd: \u57fa\u672c\u3068\u9ad8\u5ea6<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">\nMCB \u306f\u5546\u54c1\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u3067\u3059\u3002 MCCB \u306f\u9ad8\u5ea6\u306a\u30b7\u30b9\u30c6\u30e0 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002\u30e2\u30c0\u30f3\u306a\u00a0<strong>MCCB<\/strong>\u00a0\u901a\u4fe1\u30ab\u30fc\u30c9\u3092\u88c5\u5099\u3067\u304d\u308b\u305f\u3081\u3001\u00a0<strong>\u7523\u696d\u7528\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0<\/strong>\u00a0\u30ea\u30e2\u30fc\u30c8\u76e3\u8996\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30a2\u30e9\u30fc\u30c8\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u6e2c\u5b9a\u7528\u3002\u5730\u7d61\u4fdd\u8b77\u3001\u9ad8\u5ea6\u306a\u8a3a\u65ad\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u5f0f\u30a2\u30af\u30bb\u30b5\u30ea\u306a\u3069\u306e\u6a5f\u80fd\u306b\u3088\u308a\u3001MCCB \u306f\u5de5\u5834\u5185\u306e\u30b9\u30de\u30fc\u30c8 \u30b0\u30ea\u30c3\u30c9\u304a\u3088\u3073\u30a4\u30f3\u30c0\u30b9\u30c8\u30ea\u30fc 4.0 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u91cd\u8981\u306a\u8981\u7d20\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"Cost_Reflecting_Capability_and_Complexity\"><\/span><strong>\u30b3\u30b9\u30c8: \u6a5f\u80fd\u3068\u8907\u96d1\u3055\u3092\u53cd\u6620<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">\n\u30b3\u30b9\u30c8\u306e\u9055\u3044\u306f\u3001\u80fd\u529b\u3001\u6750\u6599\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3092\u76f4\u63a5\u53cd\u6620\u3057\u3066\u3044\u307e\u3059\u3002 MCB \u306f\u3001\u6a19\u6e96\u5316\u3055\u308c\u305f\u4fdd\u8b77\u30dd\u30a4\u30f3\u30c8\u306e\u7d4c\u6e08\u7684\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002 MCCB \u306e\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u306a\u308b\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u30ec\u30d9\u30eb\u306e\u5b89\u5168\u6027\u3001\u9078\u629e\u6027\u3001\u9069\u5fdc\u6027\u3078\u306e\u6295\u8cc7\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u91cd\u8981\u306a\u7523\u696d\u7528\u30d5\u30a3\u30fc\u30c0\u306e\u5834\u5408\u3001\u9069\u5207\u306a\u30b5\u30a4\u30ba\u3068\u6a5f\u80fd\u3092\u5099\u3048\u305f MCCB \u3092\u4f7f\u7528\u3057\u306a\u3044\u3068\u3001\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u3001\u6a5f\u5668\u306e\u640d\u50b7\u3001\u5b89\u5168\u4e0a\u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u306a\u3069\u306e\u30b3\u30b9\u30c8\u304c\u6bd4\u8f03\u306b\u306a\u3089\u306a\u3044\u307b\u3069\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"Selection_Guidelines_for_Industrial_Use\"><\/span><strong>\u7523\u696d\u7528\u306e\u9078\u5b9a\u6307\u91dd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ds-markdown-paragraph\">\n\u7523\u696d\u7528\u8a2d\u5b9a\u306e\u5834\u5408\u306f\u3001\u6b21\u306e\u6c7a\u5b9a\u30d5\u30ed\u30fc\u306b\u5f93\u3044\u307e\u3059\u3002<\/p>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u5834\u6240\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002<\/strong>\u00a0\u3067\u3059\u304b\uff1f\u00a0<strong>\u6700\u7d42\u5206\u5c90\u56de\u8def<\/strong>\u00a0(\u8cfc\u5165\u3057\u305f\u30de\u30b7\u30f3\u5185\u306a\u3069)?\u30a2\u30f3\u00a0<strong>MCB<\/strong>\u00a0\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002\u305d\u308c\u306f\uff1f\u00a0<strong>\u4e3b\u96fb\u6e90\u307e\u305f\u306f\u4e00\u6b21\u30d5\u30a3\u30fc\u30c0<\/strong>\u00a0\u30de\u30b7\u30f3\u306e\u30b0\u30eb\u30fc\u30d7\u306b?\u30a2\u30f3\u00a0<strong>MCCB<\/strong>\u00a0\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u6570\u5b57\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044:<\/strong>\u00a0\u30b7\u30b9\u30c6\u30e0\u96fb\u5727\u3001\u5168\u8ca0\u8377\u96fb\u6d41\u3001\u305d\u3057\u3066\u6700\u3082\u91cd\u8981\u306a\u3053\u3068\u3068\u3057\u3066\u3001\u00a0<strong>\u5229\u7528\u53ef\u80fd\u306a\u6545\u969c\u96fb\u6d41<\/strong>\u00a0\u8a2d\u7f6e\u5834\u6240\u3067\u306e\u6e2c\u5b9a\uff08\u8a08\u7b97\u307e\u305f\u306f\u6e2c\u5b9a\u304c\u5fc5\u8981\uff09\u3002\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u96fb\u5727\u3068\u906e\u65ad\u5b9a\u683c\u306f\u3053\u308c\u3089\u306e\u5024\u3092\u8d85\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u30cb\u30fc\u30ba\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/strong>\u00a0\u8abf\u6574\u306e\u305f\u3081\u306b\u8abf\u6574\u53ef\u80fd\u306a\u4fdd\u8b77\u304c\u5fc5\u8981\u3067\u3059\u304b?\u9060\u9694\u76e3\u8996\u304c\u5fc5\u8981\u3067\u3059\u304b? \u300c\u306f\u3044\u300d\u306e\u5834\u5408\u3001\u00a0<strong>MCCB<\/strong>\u00a0\u8abf\u6574\u53ef\u80fd\u306a\u65c5\u884c\u3068\u901a\u4fe1\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u57fa\u6e96\u3068\u74b0\u5883\u3092\u8003\u616e\u3059\u308b:<\/strong>\u00a0\u9078\u629e\u3057\u305f\u30c7\u30d0\u30a4\u30b9\u304c\u95a2\u9023\u898f\u683c (IEC\u3001UL) \u306b\u6e96\u62e0\u3057\u3066\u304a\u308a\u3001\u74b0\u5883 (\u57c3\u3001\u6e7f\u6c17) \u306b\u9069\u3057\u305f\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u5b9a\u683c\u3092\u5099\u3048\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n<\/ol>\n<h2 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"Why_C-Lin_Is_the_Smart_Choice_for_Circuit_Protection_Solutions\"><\/span><strong>\u306a\u305c <a href=\"https:\/\/www.clin-ele.com\/ja\/\" target=\"_blank\" rel=\"noopener\">C-Lin \u306f\u8ce2\u3044\u9078\u629e\u3067\u3059<\/a> \u56de\u8def\u4fdd\u8b77\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u5411\u3051<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ds-markdown-paragraph\">\n\u3067\u00a0<strong>\u79c1<\/strong>\u7523\u696d\u7528\u56de\u8def\u4fdd\u8b77\u306e\u305f\u3081\u3001\u59a5\u5354\u306f\u8a31\u3055\u308c\u307e\u305b\u3093\u3002 C-Lin \u306f\u3001\u73fe\u4ee3\u7523\u696d\u306e\u53b3\u3057\u3044\u8981\u6c42\u3092\u6e80\u305f\u3059\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b5\u30fc\u30ad\u30c3\u30c8 \u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u5e45\u5e83\u304f\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u5f53\u793e\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u306f\u3001\u6a5f\u5668\u4fdd\u8b77\u306e\u305f\u3081\u306e\u9ad8\u7cbe\u5ea6 MCCB \u3068\u3001\u30b7\u30b9\u30c6\u30e0\u30ec\u30d9\u30eb\u306e\u5b89\u5168\u6027\u3068\u5236\u5fa1\u306e\u305f\u3081\u306e\u5805\u7262\u3067\u6a5f\u80fd\u8c4a\u5bcc\u306a MCCB \u306e\u4e21\u65b9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002 C-Lin \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u54c1\u8cea\u306b\u3053\u3060\u308f\u308a\u3001\u9078\u629e\u7684\u306a\u8abf\u6574\u3092\u4fdd\u8a3c\u3057\u3001\u8cc7\u672c\u6295\u8cc7\u3092\u4fdd\u8b77\u3057\u3001\u3088\u308a\u30b9\u30de\u30fc\u30c8\u306a\u904b\u7528\u306b\u7d71\u5408\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u30d1\u30fc\u30c8\u30ca\u30fc\u3092\u7372\u5f97\u3067\u304d\u307e\u3059\u3002\u3042\u306a\u305f\u306e\u6b21\u306e\u305f\u3081\u306b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u660e\u77ad\u3055\u3068\u4fe1\u983c\u6027\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002C-Lin \u306e\u4fdd\u8b77\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e URL \u3067\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\u00a0<strong><a href=\"https:\/\/www.clin-ele.com\/ja\/\" target=\"_blank\" rel=\"noopener\">\u79c1\u305f\u3061\u306e\u30a6\u30a7\u30d6<\/a><\/strong>.<\/p>\n<h2 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><strong>FAQ<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><strong>MCB \u306f\u7523\u696d\u30b7\u30b9\u30c6\u30e0\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b?<\/strong><br \/>\n\u306f\u3044\u3001\u305f\u3060\u3057\u3001\u00a0<strong>\u5236\u5fa1\u76e4\u5185\u306e\u6700\u7d42\u56de\u8def\u30ec\u30d9\u30eb\u307e\u305f\u306f\u30de\u30a4\u30ca\u30fc\u5206\u5c90\u56de\u8def\u7528<\/strong>\u3002\u30e1\u30a4\u30f3\u30d5\u30a3\u30fc\u30c0\u3001\u5927\u578b\u30e2\u30fc\u30bf\u30fc\u3001\u307e\u305f\u306f\u5229\u7528\u53ef\u80fd\u306a\u6545\u969c\u96fb\u6d41\u304c\u5927\u304d\u3044\u5834\u6240\u306b\u306f\u9069\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p class=\"ds-markdown-paragraph\"><strong>\u3069\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u3088\u308a\u512a\u308c\u305f\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304b?<\/strong><br \/>\n\u300cMCCB\u300d\u306f\u3001\u3088\u308a\u9ad8\u3044\u906e\u65ad\u5bb9\u91cf\u3068\u8abf\u6574\u53ef\u80fd\u306a\u30c8\u30ea\u30c3\u30d7\u8a2d\u5b9a\u306b\u3088\u308a\u3001\u7523\u696d\u30b7\u30b9\u30c6\u30e0\u306b\u5bfe\u3057\u3066\u3088\u308a\u9ad8\u5ea6\u3067\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u306a\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u3001\u8abf\u6574\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u00a0<strong>\u96fb\u6c17\u7684\u4fdd\u8b77<\/strong>.<\/p>\n<p class=\"ds-markdown-paragraph\"><strong>\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3069\u308c\u304f\u3089\u3044\u306e\u983b\u5ea6\u3067\u691c\u67fb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304b?<\/strong><br \/>\nNFPA 70B \u306b\u5f93\u3063\u3066\u3001\u76ee\u8996\u691c\u67fb\u306f\u5e74\u306b 1 \u56de\u3001\u52d5\u4f5c\u30c6\u30b9\u30c8 (\u30c8\u30ea\u30c3\u30d7 \u30c6\u30b9\u30c8\u3092\u542b\u3080) \u306f 3 \uff5e 5 \u5e74\u3054\u3068\u306b\u3001\u307e\u305f\u306f\u56de\u8def\u306e\u91cd\u8981\u6027\u3068\u30e1\u30fc\u30ab\u30fc\u306e\u6307\u793a\u306b\u5f93\u3063\u3066\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p class=\"ds-markdown-paragraph\"><strong>\u7523\u696d\u306b\u304a\u3044\u3066\u56de\u8def\u4fdd\u8b77\u304c\u91cd\u8981\u306a\u306e\u306f\u306a\u305c\u3067\u3059\u304b?<\/strong><br \/>\n\u96fb\u6c17\u706b\u707d\u3092\u9632\u6b62\u3057\u3001\u6545\u969c\u306b\u3088\u308b\u640d\u50b7\u304b\u3089\u9ad8\u4fa1\u306a\u6a5f\u68b0\u3092\u4fdd\u8b77\u3057\u3001\u4f5c\u696d\u54e1\u306e\u5b89\u5168\u3092\u78ba\u4fdd\u3057\u3001\u91cd\u5927\u306a\u6545\u969c\u3092\u9632\u3050\u3053\u3068\u3067\u7a3c\u50cd\u6642\u9593\u3092\u7dad\u6301\u3057\u307e\u3059\u3002\u00a0<strong>\u914d\u96fb<\/strong>\u00a0\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3002<\/p>\n<h2 class=\"ds-markdown-paragraph\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>\u7d50\u8ad6<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ds-markdown-paragraph\">\nMCB \u306f\u6a19\u6e96\u5316\u3055\u308c\u305f\u4f4e\u96fb\u529b\u5206\u5c90\u56de\u8def\u7528\u3067\u3042\u308a\u3001MCCB \u306f\u8abf\u6574\u53ef\u80fd\u306a\u9ad8\u96fb\u529b\u30b7\u30b9\u30c6\u30e0\u4fdd\u8b77\u7528\u3067\u3059\u3002\u9078\u629e\u306f\u3001\u96fb\u6d41\u5b9a\u683c\u3001\u969c\u5bb3\u30ec\u30d9\u30eb\u3001\u8abf\u6574\u3068\u5236\u5fa1\u306e\u5fc5\u8981\u6027\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002\u7523\u696d\u4e0a\u306e\u5b89\u5168\u6027\u3068\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u4fdd\u8b77\u3092\u904e\u5c0f\u8a55\u4fa1\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u9069\u5207\u306a\u4f5c\u696d\u306b\u9069\u3057\u305f\u30d6\u30ec\u30fc\u30ab\u30fc\u306b\u6295\u8cc7\u3057\u3066\u304f\u3060\u3055\u3044\u3002 C-Lin \u306e\u5c02\u7528\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u30b7\u30b9\u30c6\u30e0\u306e\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002\u8a2a\u554f\u00a0<strong><a href=\"https:\/\/www.clin-ele.com\/ja\/\" target=\"_blank\" rel=\"noopener\">\u79c1\u305f\u3061\u306e\u30a6\u30a7\u30d6<\/a><\/strong> \u4eca\u65e5\u306e\u7523\u696d\u7528\u9014\u306b\u6700\u9069\u306a\u56de\u8def\u4fdd\u8b77\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b \u7523\u696d\u7528\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u306e\u8907\u96d1\u306a\u968e\u5c64\u5185\u3067\u306f\u3001\u904e\u8ca0\u8377\u3084\u77ed\u7d61\u304b\u3089\u56de\u8def\u3092\u4fdd\u8b77\u3059\u308b\u3053\u3068\u304c\u6700\u3082\u91cd\u8981\u3067\u3059\u3002\u591a\u304f\u306e\u5834\u5408\u6700\u524d\u7dda\u306b\u3042\u308b 2 \u3064\u306e\u57fa\u672c\u7684\u306a\u96fb\u6c17\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306f\u3001MCB \u3068 MCCB \u3067\u3059\u3002\u3069\u3061\u3089\u3082\u4f4e\u96fb\u5727\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3067\u3059\u304c\u3001\u3053\u308c\u3089\u3092\u6df7\u540c\u3059\u308b\u3068\u3001\u4fdd\u8b77\u4e0d\u8db3\u3001\u5b89\u5168\u4e0a\u306e\u5371\u967a\u3001\u304a\u3088\u3073\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u9055\u53cd\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30df\u30cb\u30c1\u30e5\u30a2\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab (MCB) \u3068\u30e2\u30fc\u30eb\u30c9\u30b1\u30fc\u30b9\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab (MCCB) \u306e\u91cd\u8981\u306a\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u91cd\u8981\u3067\u3059\u3002\u5b89\u5168\u3001\u52b9\u7387\u7684\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u914d\u96fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8a2d\u8a08\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u305d\u308c\u3089\u306e\u4e3b\u306a\u9055\u3044\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3001\u7523\u696d\u7528\u9014\u5411\u3051\u306e\u660e\u78ba\u306a\u9078\u629e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 MCB\u3068\u306f\u4f55\u3067\u3059\u304b?\u30df\u30cb\u30c1\u30e5\u30a2 \u30b5\u30fc\u30ad\u30c3\u30c8 \u30d6\u30ec\u30fc\u30ab (MCB) 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