{"id":3442,"date":"2026-05-05T09:00:00","date_gmt":"2026-05-05T01:00:00","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/blog\/thermal-magnetic-release-mccb-trends-2026\/"},"modified":"2026-10-20T10:45:02","modified_gmt":"2026-10-20T02:45:02","slug":"%e3%82%b5%e3%83%bc%e3%83%9e%e3%83%ab%e7%a3%81%e6%b0%97%e3%83%aa%e3%83%aa%e3%83%bc%e3%82%b9%e3%81%aemcb%e3%81%ae%e3%83%88%e3%83%ac%e3%83%b3%e3%83%892026%e5%b9%b4","status":"publish","type":"post","link":"https:\/\/w9-group.com\/ja\/blog\/thermal-magnetic-release-mccb-trends-2026\/","title":{"rendered":"2026\u5e74\u306e\u30c8\u30ec\u30f3\u30c9\u3067\u3042\u308b\u71b1\u78c1\u6027\u30ea\u30ea\u30fc\u30b9\u306eMCCB\u3092\u7406\u89e3\u3059\u308b"},"content":{"rendered":"

\u6587\u66f8\u5316\u3055\u308c\u305f\u9867\u5ba2\u4e8b\u4f8b\u3067\u306f\u306a\u3044\u3001\u8aac\u660e\u7528\u306e\u30b7\u30ca\u30ea\u30aa\uff1a690 V\u914d\u96fb\u76e4\u7528\u306e\u906e\u65ad\u5668\u3092\u8abf\u9054\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u6bd4\u8f03\u3059\u308b\u969b\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u76ee\u306b\u3064\u304d\u3084\u3059\u3044\u306e\u306f\u30ab\u30bf\u30ed\u30b0\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u308b\u88fd\u54c1\u30e9\u30a4\u30f3\u3067\u3059\u3002\u3088\u308a\u96e3\u3057\u3044\u5224\u65ad\u306f\u3001\u8131\u6263\u7279\u6027\u3001\u5b9a\u683c\u96fb\u6d41\u3001\u6545\u969c\u8010\u91cf\u3001\u6975\u6570\u914d\u7f6e\u304a\u3088\u3073\u8a2d\u7f6e\u6761\u4ef6\u306a\u3069\u304c\u5b9f\u969b\u306b\u56de\u8def\u4ed5\u69d8\u306b\u9069\u5408\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3067\u3059\u3002\u56de\u8def\u306e\u4f7f\u7528\u6761\u4ef6\u304c\u512a\u5148\u3055\u308c\u3001\u30ab\u30bf\u30ed\u30b0\u4e0a\u306e\u9078\u629e\u80a2\u306f\u305d\u308c\u306b\u6b21\u3050\u3082\u306e\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u30b5\u30fc\u30e2\u78c1\u6c17\u5f0f\u306e\u5834\u5408\u3082\u540c\u69d8\u3067\u3059\u3002 MCCB<\/a> \u9069\u5207\u306a\u88fd\u54c1\u9078\u629e\u3067\u3042\u308c\u3070\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u8a2d\u5b9a\u306e\u4e0d\u4e00\u81f4\u3084\u691c\u8a3c\u3055\u308c\u3066\u3044\u306a\u3044\u7d44\u307f\u7acb\u3066\u306f\u3001\u4f9d\u7136\u3068\u3057\u3066\u4e0d\u8981\u306a\u30c8\u30ea\u30c3\u30d7\u3084\u904e\u71b1\u3001\u3042\u308b\u3044\u306f\u9ad8\u30b3\u30b9\u30c8\u306a\u624b\u623b\u308a\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u8cfc\u5165\u8005\u306b\u3088\u308b\u5224\u65ad\u306b\u95a2\u3059\u308b\u4e8b\u4f8b\u3067\u3042\u308a\u3001\u7279\u5b9a\u306e\u304a\u5ba2\u69d8\u306b\u5bfe\u3059\u308b\u4e3b\u5f35\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n

\u6982\u8981\uff1a\u30b5\u30fc\u30de\u30eb\u30fb\u30de\u30b0\u30cd\u30c6\u30a3\u30c3\u30af\u5f0fMCCB\u306f\u3001\u6301\u7d9a\u7684\u306a\u904e\u8ca0\u8377\u306b\u5bfe\u3057\u3066\u9045\u5ef6\u7279\u6027\u3092\u5099\u3048\u305f\u30b5\u30fc\u30de\u30eb\u52d5\u4f5c\u3068\u3001\u9ad8\u5024\u306e\u6545\u969c\u96fb\u6d41\u306b\u5bfe\u3057\u3066\u8fc5\u901f\u306a\u5fdc\u7b54\u3092\u793a\u3059\u30de\u30b0\u30cd\u30c6\u30a3\u30c3\u30af\u52d5\u4f5c\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3044\u307e\u3059\u30022026\u5e74\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u307e\u305a\u56de\u8def\u306e\u4f7f\u7528\u6761\u4ef6\u304a\u3088\u3073\u5354\u8abf\u6027\u691c\u8a0e\u3092\u5b9f\u65bd\u3057\u3001\u6b21\u306b\u906e\u65ad\u5668\u304a\u3088\u3073\u914d\u96fb\u76e4\u306e\u4ed5\u69d8\u66f8\u304c\u3001IEC 60947-2\u300c\u906e\u65ad\u5668\u300d\u306e\u8a72\u5f53\u7bc4\u56f2\u306b\u9069\u5408\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u30022024\u5e74\u7248\u306f\u3001\u4ea4\u6d411,000 V\u4ee5\u4e0b\u307e\u305f\u306f\u76f4\u6d411,500 V\u4ee5\u4e0b\u306e\u56de\u8def\u306b\u63a5\u7d9a\u3055\u308c\u308b\u906e\u65ad\u5668\u3092\u5bfe\u8c61\u3068\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u81ea\u4f53\u3067\u88fd\u54c1\u3084\u8a2d\u7f6e\u306e\u8a8d\u8a3c\u3092\u884c\u3046\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u898b\u7a4d\u4f9d\u983c\u306b\u969b\u3057\u3066\u306f\u3001\u5b9a\u683c\u96fb\u6d41\u3001\u6975\u6570\u3001\u8131\u6263\u5668\u306e\u8a2d\u5b9a\u7bc4\u56f2\u3001\u906e\u65ad\u5bb9\u91cf\u3001\u304a\u3088\u3073\u8ca9\u58f2\u5e02\u5834\u5411\u3051\u306e\u898f\u683c\u30fb\u8a8d\u8a3c\u6587\u66f8\u3092\u5fc5\u305a\u660e\u8a18\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

\"\u71b1\u78c1\u6c17MCCB\u306e\u9069\u7528\u4f8b\u306e\u53c2\u8003\u753b\u50cf\"<\/p>\n

\u71b1\u78c1\u6027\u30ea\u30ea\u30fc\u30b9\u306eMCCB\u306f\u4f55\u3092\u3059\u308b\u304b<\/h2>\n

An MCCB is a molded-case circuit breaker used to interrupt current when a circuit exceeds its defined conditions. In a thermal magnetic release, a bimetal element responds to heating caused by an overload, while an electromagnetic element responds to a steep short-circuit current. The two responses have different time characteristics: overload protection allows for normal inrush and load variation, while \u77ed\u7d61\u4fdd\u8b77<\/strong> is intended to act quickly. Exact trip curves and tolerances must come from the selected manufacturer\u2019s data; a generic description is not a substitute for that curve.<\/p>\n

This distinction matters in procurement. A breaker that is suitable for a feeder\u2019s normal current may still be unsuitable for the prospective \u77ed\u7d61\u96fb\u6d41<\/strong> at its installation point. Ambient temperature, enclosure conditions, conductor size, motor starting current and upstream\/downstream coordination can change the result. Ask for the complete technical data sheet rather than selecting by ampere value alone.<\/p>\n

\"\u4f4e\u96fb\u5727\u914d\u96fb\u8a2d\u5099\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u753b\u50cf\"\"WLM6<\/p>\n

2026 MCCB Procurement Trends<\/h2>\n

2026\u5e74\u306e\u6709\u7528\u306a\u30c8\u30ec\u30f3\u30c9\u306f\u3001\u3042\u3089\u3086\u308bMCCB\u304c\u300c\u30b9\u30de\u30fc\u30c8\u300d\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u3044\u3046\u5e83\u7bc4\u306a\u4e3b\u5f35\u3067\u306f\u306a\u304f\u3001\u3088\u308a\u8a73\u7d30\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u660e\u78ba\u306a\u5883\u754c\u7dda\u3067\u3042\u308b\u3002IEC 60947-2:2024\u3067\u306f\u3001\u5916\u90e8\u88c5\u7f6e\u306b\u3088\u308b\u96fb\u6d41\u8a2d\u5b9a\u8abf\u6574\u3001\u8ffd\u52a0\u306e\u63a5\u5730\u6545\u969c\u904e\u96fb\u6d41\u8a66\u9a13\u3001\u30c8\u30ea\u30c3\u30d7\u4f4d\u7f6e\u3067\u306e\u8a98\u96fb\u6027\u8a66\u9a13\u3001\u304a\u3088\u3073\u6539\u8a02\u3055\u308c\u305fEMC\u8a66\u9a13\u306a\u3069\u306e\u5909\u66f4\u304c\u8a18\u9332\u3055\u308c\u3066\u3044\u308b\u3002\u3053\u308c\u3089\u306e\u5909\u66f4\u306f\u5ba3\u8a00\u66f8\u3001\u8a66\u9a13\u5831\u544a\u66f8\u3001\u307e\u305f\u306f\u30ea\u30ea\u30fc\u30b9\u30a2\u30bf\u30c3\u30c1\u30e1\u30f3\u30c8\u306e\u30ec\u30d3\u30e5\u30fc\u6642\u306b\u95a2\u9023\u6027\u304c\u3042\u308b\u304c\u3001\u6a19\u6e96\u306e\u9069\u7528\u7bc4\u56f2\u306f\u4f9d\u7136\u3068\u3057\u3066\u6b63\u78ba\u306a\u88fd\u54c1\u3068\u6bd4\u8f03\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002.<\/p>\n

\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u6e2c\u5b9a\u3001\u901a\u4fe1\u3001\u307e\u305f\u306f\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30c7\u30fc\u30bf\u306e\u8a08\u6e2c\u304c\u5fc5\u8981\u306a\u5834\u5408\u3001\u30c7\u30b8\u30bf\u30eb\u76e3\u8996\u306f\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002\u5358\u306b\u6d41\u884c\u3057\u3066\u3044\u308b\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u71b1\u78c1\u6c17\u4ed5\u69d8\u306b\u8ffd\u52a0\u3059\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30ea\u30e2\u30fc\u30c8\u30c7\u30fc\u30bf\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u96fb\u5b50MCCB\u307e\u305f\u306f\u5225\u306e\u76e3\u8996\u30b7\u30b9\u30c6\u30e0\u3092\u3088\u308a\u30b7\u30f3\u30d7\u30eb\u306a\u71b1\u78c1\u6c17\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u6bd4\u8f03\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3001\u88dc\u52a9\u30b3\u30f3\u30bf\u30af\u30c8\u3001\u96fb\u6e90\u8981\u4ef6\u3001\u304a\u3088\u3073\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u8cac\u4efb\u3092\u8a18\u9332\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

IEC 60364-4-43:2023\u306f\u3001\u30d3\u30eb\u8a2d\u5099\u306b\u304a\u3051\u308b\u904e\u96fb\u6d41\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u3068\u4fdd\u8b77\u63aa\u7f6e\u306e\u9023\u643a\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u8a2d\u7f6e\u57fa\u6e96\u3067\u3042\u308a\u3001\u88fd\u54c1\u8a8d\u8a3c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u30012026\u5e74\u306e\u8abf\u9054\u306b\u95a2\u3059\u308b\u8cea\u554f\u306f\u3001\u63d0\u6848\u3055\u308c\u305f\u30d6\u30ec\u30fc\u30ab\u3001\u5c0e\u7dda\u3001\u304a\u3088\u3073\u4fdd\u8b77\u65b9\u5f0f\u304c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8a2d\u7f6e\u898f\u5247\u306e\u4e0b\u3067\u9023\u643a\u53ef\u80fd\u304b\u3069\u3046\u304b\u3067\u3059\u3002<\/p>\n

\"W9\u56de\u8def\u4fdd\u8b77\u88fd\u54c1\u306e\u53c2\u8003\u753b\u50cf\"<\/p>\n

\u30b5\u30fc\u30de\u30eb\u78c1\u6c17MCCB\u3068\u305d\u306e\u4ed6\u306e\u30d6\u30ec\u30fc\u30ab\u306e\u9078\u629e\u80a2<\/h2>\n

Selection should follow the circuit function. An MCB is commonly used for lower-current final circuits; an MCCB gives a broader industrial frame and accessory choice; an RCCB or RCBO addresses \u6b8b\u7559\u96fb\u6d41\u4fdd\u8b77<\/strong> according to its own product scope; and an ACB is used for higher-current main or distribution duties. These categories are complementary, not interchangeable. W9\u2019s MCCB\u306e\u30ab\u30c6\u30b4\u30ea\u30fc<\/a> lists thermal, adjustable and electronic MCCB families, while its ACB category lists WEW1 products from 1,000 A to 6,300 A at 400\/690 V. Those are catalogue examples, not universal limits for every manufacturer.<\/p>\n\n\n\n\n\n\n\n\n
\u6c7a\u5b9a\u6b21\u5143<\/th>\n\u30b5\u30fc\u30de\u30eb\u78c1\u6c17MCCB<\/th>\n\u96fb\u5b50\u5f0fMCCB<\/th>\nACB<\/th>\nRCCB\/RCBO<\/th>\n<\/tr>\n<\/thead>\n
\u4e3b\u306a\u4fdd\u8b77\u306e\u91cd\u70b9<\/td>\n\u904e\u8ca0\u8377\u304a\u3088\u3073\u77ed\u7d61\u89e3\u653e<\/td>\n\u904e\u96fb\u6d41\u6a5f\u80fd\u306f\u96fb\u5b50\u8a2d\u5b9a\u3067\u8abf\u6574\u53ef\u80fd\u3001\u30e2\u30c7\u30eb\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059<\/td>\n\u30e1\u30a4\u30f3\u307e\u305f\u306f\u9ad8\u96fb\u6d41\u306e\u914d\u96fb\u4fdd\u8b77<\/td>\n\u6b8b\u7559\u96fb\u6d41\u4fdd\u8b77\u6a5f\u80fd\u3002RCBO\u306b\u306f\u904e\u96fb\u6d41\u4fdd\u8b77\u6a5f\u80fd\u3082\u542b\u307e\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n
\u8a2d\u5b9a\u30a2\u30d7\u30ed\u30fc\u30c1<\/td>\n\u30e2\u30c7\u30eb\u306b\u3088\u3063\u3066\u6307\u5b9a\u3055\u308c\u305f\u71b1\u7279\u6027\u304a\u3088\u3073\u78c1\u7279\u6027<\/td>\n\u8abf\u6574\u53ef\u80fd\u306a\u6a5f\u80fd\u306f\u65c5\u884c\u30e6\u30cb\u30c3\u30c8\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/td>\n\u30e6\u30cb\u30c3\u30c8\u3068\u30d5\u30ec\u30fc\u30e0\u306e\u30c7\u30fc\u30bf\u304c\u9023\u643a\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/td>\n\u30c7\u30d0\u30a4\u30b9\u306e\u6307\u5b9a\u3055\u308c\u305f\u6b8b\u7559\u96fb\u6d41\u304a\u3088\u3073\u904e\u96fb\u6d41\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4f7f\u7528\u3059\u308b<\/td>\n<\/tr>\n
\u6700\u826f\u306e\u8abf\u9054\u306b\u95a2\u3059\u308b\u8cea\u554f<\/td>\n\u3053\u306e\u8d70\u884c\u66f2\u7dda\u306f\u8ca0\u8377\u3068\u6545\u969c\u6642\u306e\u5bfe\u5fdc\u306b\u5408\u3063\u3066\u3044\u308b\u304b\uff1f<\/td>\n\u8a2d\u5b9a\u3001\u88dc\u52a9\u96fb\u6e90\u3001\u901a\u4fe1\u306f\u8a18\u9332\u3055\u308c\u3066\u3044\u308b\u304b\uff1f<\/td>\n\u30b9\u30a4\u30c3\u30c1\u30dc\u30fc\u30c9\u306e\u914d\u7f6e\u306f\u30d5\u30ec\u30fc\u30e0\u3068\u53d6\u308a\u4ed8\u3051\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u304b\uff1f<\/td>\n\u56de\u8def\u304a\u3088\u3073\u73fe\u5730\u898f\u5247\u3067\u6b8b\u7559\u96fb\u6d41\u4fdd\u8b77\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/td>\n<\/tr>\n
\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u3078\u306e\u914d\u616e<\/td>\n\u30b7\u30f3\u30d7\u30eb\u306a\u4ed5\u69d8\u306b\u3088\u308a\u7d71\u5408\u4f5c\u696d\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059<\/td>\n\u3088\u308a\u591a\u304f\u306e\u6a5f\u80fd\u306b\u3088\u308a\u3001\u8a66\u904b\u8ee2\u304a\u3088\u3073\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u4f5c\u6210\u306e\u4f5c\u696d\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/td>\n\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u5f71\u97ff\u306e\u5897\u52a0\uff1a\u30a2\u30bb\u30f3\u30d6\u30ea\u304a\u3088\u3073\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30a2\u30af\u30bb\u30b9\u3092\u691c\u8a3c\u3059\u308b<\/td>\n\u8ff7\u60d1\u306a\u65c5\u884c\u306e\u30ea\u30b9\u30af\u3068\u8a66\u9a13\u8981\u4ef6\u306e\u8abf\u6574<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"W9\u4f4e\u96fb\u5727\u96fb\u6c17\u88fd\u54c1\u306e\u53c2\u8003\u753b\u50cf\"\"W9\u578b\u56de\u8def\u906e\u65ad\u5668\u88fd\u54c1\u306e\u53c2\u8003\u753b\u50cf\"<\/p>\n

MCCB Release and Installation Requirements<\/h2>\n

\u8cfc\u5165\u6ce8\u6587\u306e\u524d\u306b\u3001\u4ee5\u4e0b\u306e\u77ed\u3044\u30ec\u30d3\u30e5\u30fc\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n

    \n
  1. \u8a2d\u7f6e\u5834\u6240\u3067\u306e\u30b7\u30b9\u30c6\u30e0\u96fb\u5727\u3001\u5468\u6ce2\u6570\u3001\u9023\u7d9a\u8ca0\u8377\u3001\u5c0e\u7dda\u914d\u7f6e\u3001\u304a\u3088\u3073\u5c06\u6765\u306e\u77ed\u7d61\u96fb\u6d41\u3092\u8a18\u5165\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n
  2. \u30d5\u30ec\u30fc\u30e0\u3068\u30dd\u30fc\u30eb\u3092\u9078\u629e\u3057\u3001\u5b9a\u683c\u96fb\u6d41\u3001\u96fb\u5727\u3001\u65ad\u9762\u7a4d\u3001\u7aef\u5b50\u914d\u7f6e\u3001\u304a\u3088\u3073\u4e2d\u6027\u30dd\u30fc\u30eb\u306b\u95a2\u3059\u308b\u8981\u4ef6\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/li>\n
  3. Check overload, motor inrush, transformer energisation and downstream selectivity. trip settings must match the installation; copying a setting from another project is not a coordination study.<\/li>\n
  4. \u30e1\u30fc\u30ab\u30fc\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u5468\u56f2\u6e29\u5ea6\u3001\u7b50\u4f53\u63db\u6c17\u3001\u9ad8\u5ea6\u3001\u53d6\u308a\u4ed8\u3051\u65b9\u5411\u3001\u304a\u3088\u3073\u30b1\u30fc\u30d6\u30eb\u7d42\u7aef\u306b\u95a2\u3059\u308b\u6307\u793a\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n
  5. \u8a72\u5f53\u3059\u308b\u5ba3\u8a00\u66f8\u3001\u8a66\u9a13\u8a3c\u660e\u66f8\u3001\u53d6\u6271\u8aac\u660e\u66f8\u3001\u304a\u3088\u3073\u4ed8\u5c5e\u54c1\u306e\u30ea\u30b9\u30c8\u3092\u8acb\u6c42\u3057\u307e\u3059\u3002\u6700\u7d42\u8a2d\u5b9a\u3068\u8a66\u904b\u8ee2\u30c1\u30a7\u30c3\u30af\u3092\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30d5\u30a1\u30a4\u30eb\u306b\u8a18\u9332\u3057\u307e\u3059\u3002.<\/li>\n<\/ol>\n\n\n\n\n\n\n\n\n
    \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u6cc1<\/th>\n\u8acb\u6c42\u3059\u308b\u8a3c\u62e0<\/th>\n\u6c7a\u5b9a\u5883\u754c<\/th>\n<\/tr>\n<\/thead>\n
    \u30e2\u30fc\u30bf\u30fc\u307e\u305f\u306f\u30c8\u30e9\u30f3\u30b9\u306e\u30a4\u30f3\u30b6\u30c3\u30b7\u30e5\u306b\u3088\u308b\u4f9b\u7d66<\/td>\n\u30c8\u30ea\u30c3\u30d7\u30ab\u30fc\u30d6\u3001\u30a4\u30f3\u30e9\u30b9\u30c7\u30fc\u30bf\u3001\u304a\u3088\u3073\u8abf\u6574\u306b\u95a2\u3059\u308b\u7814\u7a76<\/td>\n\u5b9a\u5e38\u96fb\u6d41\u306e\u307f\u304b\u3089\u9078\u629e\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/td>\n<\/tr>\n
    \u30d1\u30cd\u30eb\u307e\u305f\u306f\u30b9\u30a4\u30c3\u30c1\u30dc\u30fc\u30c9\u306e\u7d71\u5408<\/td>\n\u30a2\u30bb\u30f3\u30d6\u30ea\u691c\u8a3c\u60c5\u5831\u304a\u3088\u3073\u7aef\u672b\/\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u30c7\u30fc\u30bf<\/td>\nIEC 61439-1\u306f\u4f4e\u96fb\u5727\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u898f\u5247\u3092\u898f\u5b9a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u898f\u683c\u306f\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u691c\u8a3c\u3092\u4ee3\u66ff\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/td>\n<\/tr>\n
    \u8f38\u51fa\u30d7\u30ed\u30b8\u30a7\u30af\u30c8<\/td>\n\u76ee\u7684\u5730\u5e02\u5834\u57fa\u6e96\u3001\u5ba3\u8a00\u66f8\u3001\u88fd\u54c1\u56fa\u6709\u306e\u30ec\u30dd\u30fc\u30c8<\/td>\nIEC\u3001UL\u3001\u304a\u3088\u3073\u73fe\u5730\u8981\u4ef6\u306b\u306f\u7570\u306a\u308b\u7bc4\u56f2\u304c\u3042\u308a\u307e\u3059\u3002\u3069\u306e\u8981\u4ef6\u304c\u9069\u7528\u3055\u308c\u308b\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/td>\n<\/tr>\n
    \u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u307e\u305f\u306f\u30ea\u30e2\u30fc\u30c8\u76e3\u8996\u306e\u8981\u4ef6<\/td>\n\u30a2\u30af\u30bb\u30b5\u30ea\u306e\u4e92\u63db\u6027\u3001\u88dc\u52a9\u96fb\u6e90\u304a\u3088\u3073\u30c6\u30b9\u30c8\u624b\u9806<\/td>\n\u71b1\u78c1\u6c17\u653e\u51fa\u304c\u901a\u4fe1\u3092\u63d0\u4f9b\u3059\u308b\u3068\u4eee\u5b9a\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \"W9\"W9\u7523\u696d\u7528\u96fb\u5316\u88fd\u54c1\u306e\u53c2\u8003\u753b\u50cf\"<\/p>\n

    \u9069\u7528\u3055\u308c\u308b\u57fa\u6e96\u306e\u7bc4\u56f2<\/h2>\n

    IEC 60947-2:2024<\/a> \u3053\u306e\u88fd\u54c1\u306f\u3001\u6307\u5b9a\u96fb\u5727\u7bc4\u56f2\u5185\u306e\u4f4e\u96fb\u5727\u56de\u8def\u906e\u65ad\u5668\u306e\u6a19\u6e96\u54c1\u3067\u3059\u3002. IEC 61439-1:2020<\/a> \u4f4e\u96fb\u5727\u30b9\u30a4\u30c3\u30c1\u88c5\u7f6e\u306e\u7d44\u7acb\u306b\u95a2\u3059\u308b\u4e00\u822c\u7684\u306a\u898f\u5247\u3001\u30b5\u30fc\u30d3\u30b9\u6761\u4ef6\u3001\u65bd\u5de5\u8981\u4ef6\u3001\u304a\u3088\u3073\u691c\u8a3c\u8981\u4ef6\u3092\u5b9a\u3081\u307e\u3059\u3002. IEC 60364-4-43:2023<\/a> \u96fb\u6c17\u8a2d\u5099\u306b\u304a\u3051\u308b\u904e\u96fb\u6d41\u4fdd\u8b77\u306b\u95a2\u3059\u308b\u898f\u5b9a\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u57fa\u6e96\u306e\u3044\u305a\u308c\u304b\u306b\u8a00\u53ca\u3055\u308c\u305f\u5834\u5408\u3001\u305d\u306e\u610f\u5473\u306f\u7bc4\u56f2\u306e\u8a18\u8ff0\u3068\u3057\u3066\u89e3\u91c8\u3055\u308c\u308b\u3079\u304d\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u500b\u3005\u306e\u30e2\u30c7\u30eb\u3001\u30d1\u30cd\u30eb\u3001\u307e\u305f\u306f\u8a2d\u7f6e\u304c\u8a8d\u8a3c\u3092\u53d7\u3051\u305f\u3053\u3068\u3092\u793a\u3059\u8a3c\u62e0\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n

    For higher-voltage or higher-current architectures, do not stretch the MCCB label beyond the documented design. ABB\u2019s public SACE Emax 2\/E page, for example, describes an ACB range above 690 V AC, up to 6,300 A and up to 85 kA at 1,200 V for that specific family. The example shows why frame type, voltage and \u7834\u58ca\u80fd\u529b<\/strong> must be reviewed together; it is not a performance claim about W9 products.<\/p>\n

    \"W9\u56de\u8def\u4fdd\u8b77\u88c5\u7f6e\u306e\u53c2\u8003\u753b\u50cf\"<\/p>\n

    \u898b\u7a4d\u3082\u308a\u4f9d\u983c\u7528\u306eW9\u88fd\u54c1\u60c5\u5831<\/h2>\n

    W9 Group\u306e\u516c\u958b\u306eMCCB\u30ab\u30bf\u30ed\u30b0\u306b\u306f\u3001WLM6\u306e\u71b1\u78c1\u6c17\u30e2\u30c7\u30eb\u304c400\/690 V\u3067\u3001125 A\u3001160 A\u3001250 A\u3001400 A\u3001630 A\u3001800 A\u30011,250 A\u30011,600 A\u30012,000 A\u306e\u5165\u529b\u304c\u7528\u610f\u3055\u308c\u3066\u304a\u308a\u3001\u30ab\u30c6\u30b4\u30ea\u30fc\u30da\u30fc\u30b8\u306b\u306f3\u6975\u304a\u3088\u30734\u6975\u306e\u30ea\u30b9\u30c8\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5165\u529b\u306f\u53c2\u8003\u3068\u3057\u3066\u53d6\u308a\u3001\u73fe\u5728\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3067\u8a55\u4fa1\u3001\u30c8\u30ea\u30c3\u30d7\u7279\u6027\u304a\u3088\u3073\u4ed8\u5c5e\u54c1\u306e\u6b63\u78ba\u306a\u30e2\u30c7\u30eb\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

    W9 states that Zhejiang W9 Group Technology Co., Ltd. was established in 2020 and supports low-voltage protection products, testing, quality control and OEM\/ODM communication. These are company statements; buyers should still request product-specific documents and destination-market evidence. document the selected rating and test evidence before release to production.<\/p>\n

    \u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n

    \u71b1\u78c1\u6027\u906e\u65ad\u5668\uff08MCCB\uff09\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n

    \u3053\u308c\u306f\u3001\u9577\u671f\u904e\u8ca0\u8377\u6642\u306e\u305f\u3081\u306e\u71b1\u30e1\u30ab\u30cb\u30ba\u30e0\u3068\u9ad8\u6545\u969c\u96fb\u6d41\u6642\u306e\u78c1\u6c17\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u4f7f\u7528\u3059\u308bMCCB\u3067\u3059\u3002\u6b63\u78ba\u306a\u30c8\u30ea\u30c3\u30d7\u30ab\u30fc\u30d6\u3001\u8a31\u5bb9\u5024\u3001\u8a2d\u5b9a\u306f\u30e2\u30c7\u30eb\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002.<\/p>\n

    \u71b1\u78c1\u6027MCCB\u306f\u5e38\u306b\u96fb\u5b50MCCB\u3088\u308a\u3082\u512a\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/h3>\n

    \u3044\u3044\u3048\u3002\u30b5\u30fc\u30de\u30eb\u78c1\u6c17\u5f0f\u30ea\u30ea\u30fc\u30b9\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u6587\u66f8\u5316\u3055\u308c\u305f\u4fdd\u8b77\u65b9\u5f0f\u304c\u5fc5\u8981\u306a\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u96fb\u5b50\u5f0f\u30ea\u30ea\u30fc\u30b9\u306f\u3088\u308a\u8abf\u6574\u53ef\u80fd\u306a\u6a5f\u80fd\u3084\u76e3\u8996\u6a5f\u80fd\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\u304c\u3001\u8a2d\u5b9a\u3001\u96fb\u6e90\u3001\u304a\u3088\u3073\u7a3c\u50cd\u958b\u59cb\u306e\u8981\u4ef6\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002.<\/p>\n

    IEC 60947-2\u306f\u3001\u79c1\u306eMCCB\u306e\u8a2d\u7f6e\u304c\u9069\u5408\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u8a3c\u660e\u3059\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3>\n

    \u3044\u3044\u3048\u3002IEC 60947-2\u306f\u305d\u306e\u7bc4\u56f2\u5185\u3067\u56de\u8def\u906e\u65ad\u5668\u306e\u8981\u4ef6\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002\u88fd\u54c1\u30e2\u30c7\u30eb\u3001\u7d44\u307f\u7acb\u3066\u65b9\u6cd5\u3001\u8a2d\u7f6e\u65b9\u6cd5\u3001\u8ca9\u58f2\u5148\u5e02\u5834\u3001\u304a\u3088\u3073\u4ed8\u5c5e\u66f8\u985e\u306b\u3064\u3044\u3066\u306f\u3001\u5225\u9014\u8a8d\u8a3c\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n

    \u6b63\u3057\u3044MCCB\u306e\u96fb\u6d41\u5b9a\u683c\u306f\u3069\u306e\u3088\u3046\u306b\u9078\u5b9a\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n

    \u307e\u305a\u3001\u8a2d\u8a08\u96fb\u6d41\u3001\u5c0e\u4f53\u5bb9\u91cf\u3001\u5468\u56f2\u6761\u4ef6\u3001\u6545\u969c\u30ec\u30d9\u30eb\u3001\u304a\u3088\u3073\u8abf\u6574\u8981\u4ef6\u304b\u3089\u59cb\u3081\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u9078\u629e\u3057\u305f\u30dd\u30fc\u30eb\u3001\u96fb\u5727\u3001\u8a2d\u7f6e\u914d\u7f6e\u306e\u30e1\u30fc\u30ab\u30fc\u306e\u5b9a\u683c\u304a\u3088\u3073\u30c8\u30ea\u30c3\u30d7\u30ab\u30fc\u30d6\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/p>\n

    W9\u30e2\u30c7\u30eb\u304a\u3088\u3073\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u66f8\u985e\u306e\u8acb\u6c42\u5148\u306f\u3069\u3053\u3067\u3059\u304b\uff1f<\/h3>\n

    Send the complete duty and documentation request through W9 Group contact . Include voltage, current, poles, fault duty, enclosure, destination market and required accessories so the quotation can be checked against the actual application.<\/p>\n

    \u53c2\u8003\u6587\u732e<\/h2>\n