{"id":17707,"date":"2025-06-30T22:46:52","date_gmt":"2025-06-30T14:46:52","guid":{"rendered":"https:\/\/viox.com\/?p=17707"},"modified":"2025-06-30T22:56:39","modified_gmt":"2025-06-30T14:56:39","slug":"how-to-choose-the-right-dc-circuit-breaker","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ja\/how-to-choose-the-right-dc-circuit-breaker\/","title":{"rendered":"\u9069\u5207\u306aDC\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u9078\u3073\u65b9 | \u5c02\u9580\u5bb6\u306b\u3088\u308b\u9078\u5b9a\u30ac\u30a4\u30c9"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p>\u9069\u5207\u306aDC\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u9078\u5b9a\u3059\u308b\u969b\u306b\u306f\u3001\u96fb\u6d41\u5b9a\u683c\u304c\u5408\u81f4\u3059\u308b\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3059\u3002\u81ea\u7136\u306a\u30bc\u30ed\u30af\u30ed\u30b9\u30dd\u30a4\u30f3\u30c8\u3092\u5229\u7528\u3067\u304d\u308bAC\u30d6\u30ec\u30fc\u30ab\u30fc\u3068\u306f\u7570\u306a\u308a\u3001DC\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u30a2\u30fc\u30af\u306e\u6d88\u6ec5\u3068\u9023\u7d9a\u96fb\u6d41\u306e\u6d41\u308c\u3068\u3044\u3046\u7279\u6709\u306e\u8ab2\u984c\u306b\u76f4\u9762\u3057\u307e\u3059\u3002\u592a\u967d\u5149\u30d1\u30cd\u30eb\u8a2d\u5099\u3001\u81ea\u52d5\u8eca\u56de\u8def\u3001\u7523\u696d\u7528DC\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u3001\u3069\u306e\u3088\u3046\u306a\u4fdd\u8b77\u5bfe\u8c61\u3067\u3042\u3063\u3066\u3082\u3001\u3053\u308c\u3089\u306e\u91cd\u8981\u306a\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u6a5f\u5668\u306e\u640d\u50b7\u3092\u9632\u304e\u3001\u5b89\u5168\u57fa\u6e96\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u5305\u62ec\u7684\u306a\u30ac\u30a4\u30c9\u3067\u306f\u3001\u96fb\u5727\u5b9a\u683c\u304b\u3089\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56fa\u6709\u306e\u8981\u4ef6\u307e\u3067\u3001DC \u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u9078\u629e\u306b\u91cd\u8981\u306a\u8981\u7d20\u3092\u7db2\u7f85\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-17693\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/L7-63-DC-MCB.webp\" alt=\"L7-63 DC MCB\" width=\"604\" height=\"642\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/L7-63-DC-MCB.webp 604w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/L7-63-DC-MCB-282x300.webp 282w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/L7-63-DC-MCB-11x12.webp 11w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/L7-63-DC-MCB-600x638.webp 600w\" sizes=\"(max-width: 604px) 100vw, 604px\" \/><\/p>\n<h2>DC\u30d6\u30ec\u30fc\u30ab\u30fc\u3068AC\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u9055\u3044<\/h2>\n<p>\u30a2\u30fc\u30af\u6d88\u6ec5\u306e\u8ab2\u984c\uff1a\u76f4\u6d41\u906e\u65ad\u5668\u306f\u3001\u76f4\u6d41\u96fb\u6d41\u304c\u81ea\u7136\u306b\u30bc\u30ed\u70b9\u3092\u901a\u904e\u3057\u306a\u3044\u305f\u3081\u3001\u30a2\u30fc\u30af\u3092\u906e\u65ad\u30fb\u6d88\u6ec5\u3055\u305b\u308b\u3053\u3068\u304c\u56f0\u96e3\u3067\u3042\u308b\u3068\u3044\u3046\u7279\u6709\u306e\u8ab2\u984c\u306b\u76f4\u9762\u3057\u3066\u3044\u307e\u3059\u3002\u96fb\u5727\u304c\u9023\u7d9a\u3059\u308b\u76f4\u6d41\u96fb\u6d41\u3067\u306f\u3001\u96fb\u6c17\u30a2\u30fc\u30af\u306f\u4e00\u5b9a\u3067\u3042\u308a\u3001\u906e\u65ad\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u4e3b\u306a\u9055\u3044<\/h3>\n<ul>\n<li>\u30a2\u30fc\u30af\u6d88\u706b\u6a5f\u69cb\uff1aDC\u30d6\u30ec\u30fc\u30ab\u30fc\u306b\u306f\u7279\u6b8a\u306a\u78c1\u6c17\u6d88\u706b\u30b7\u30b9\u30c6\u30e0\u304c\u5fc5\u8981<\/li>\n<li>\u63a5\u70b9\u8a2d\u8a08\uff1a\u5f37\u5316\u3055\u308c\u305f\u63a5\u70b9\u5206\u96e2\u8ddd\u96e2<\/li>\n<li>\u906e\u65ad\u5bb9\u91cf\uff1a\u6545\u969c\u96fb\u6d41\u906e\u65ad\u306b\u5bfe\u3059\u308b\u3088\u308a\u9ad8\u3044\u8981\u4ef6<\/li>\n<li>\u6975\u6027\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805\uff1a\u4e00\u65b9\u5411\u96fb\u6d41\u30d5\u30ed\u30fc\u4fdd\u8b77<\/li>\n<\/ul>\n<p>\u91cd\u8981\u306a\u5b89\u5168\u4e0a\u306e\u6ce8\u610f: DC \u30b7\u30b9\u30c6\u30e0\u3067 AC \u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u6301\u7d9a\u7684\u306a\u30a2\u30fc\u30af\u304c\u767a\u751f\u3057\u3001\u6f5c\u5728\u7684\u306a\u5371\u967a\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>DC\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u9078\u629e\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u8981\u7d20<\/h2>\n<h3>1. \u96fb\u5727\u5b9a\u683c\u8981\u4ef6<\/h3>\n<p>\u30b7\u30b9\u30c6\u30e0\u96fb\u5727\u306e\u30de\u30c3\u30c1\u30f3\u30b0\uff1aDC\u30b7\u30b9\u30c6\u30e0\u306e\u96fb\u5727\u30ec\u30d9\u30eb\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002\u9078\u629e\u3057\u305f\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u96fb\u5727\u3068\u4e92\u63db\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h4>\u4e00\u822c\u7684\u306aDC\u96fb\u5727\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3:<\/h4>\n<ul>\n<li>12V-24V: \u81ea\u52d5\u8eca\u3001\u8239\u8236\u3001\u5c0f\u578b\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0<\/li>\n<li>48V: \u901a\u4fe1\u3001UPS\u30b7\u30b9\u30c6\u30e0<\/li>\n<li>60V-600V: \u4f4f\u5b85\u7528\u592a\u967d\u5149\u767a\u96fb\u8a2d\u5099<\/li>\n<li>1000V-1500V: \u5546\u7528\u592a\u967d\u5149\u767a\u96fb\u30a2\u30ec\u30a4<\/li>\n<\/ul>\n<p>\u5b89\u5168\u30de\u30fc\u30b8\u30f3: \u96fb\u5727\u5909\u52d5\u3068\u5b89\u5168\u30de\u30fc\u30b8\u30f3\u3092\u8003\u616e\u3057\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u6700\u5927\u96fb\u5727\u306e\u5c11\u306a\u304f\u3068\u3082 125% \u5b9a\u683c\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>2. \u96fb\u6d41\u5b9a\u683c\u3068\u8ca0\u8377\u8a08\u7b97<\/h3>\n<p>\u8ca0\u8377\u8a55\u4fa1\u30d7\u30ed\u30bb\u30b9:<\/p>\n<ol>\n<li>\u5168\u8ca0\u8377\u96fb\u6d41\u3092\u8a08\u7b97\u3059\u308b\uff1a\u56de\u8def\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u306e\u5408\u8a08\u96fb\u6d41\u3092\u5408\u8a08\u3057\u307e\u3059\u3002<\/li>\n<li>\u30d6\u30ec\u30fc\u30ab\u30fc\u5b9a\u683c\u3092\u9078\u629e: \u5b9a\u683c\u96fb\u6d41\u304c\u5168\u8ca0\u8377\u96fb\u6d41\u306e125%\uff5e150%\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>3\u6642\u9593\u4ee5\u4e0a\u7d9a\u304f\u8ca0\u8377\u306e\u5834\u5408\u3001\u56de\u8def\u906e\u65ad\u5668\u306fNEC\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5f93\u3063\u3066\u5b9a\u683c\u5bb9\u91cf\u306e80%\u306e\u307f\u3092\u51e6\u7406\u3067\u304d\u308b\u30b5\u30a4\u30ba\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n<h4>\u8a08\u7b97\u4f8b:<\/h4>\n<p>\u7dcf\u8ca0\u8377\u96fb\u6d41: 16A<br \/>\n\u5b89\u5168\u30de\u30fc\u30b8\u30f3\uff08125%\uff09\uff1a16A \u00d7 1.25 = 20A<br \/>\n\u9078\u629e\u3057\u305f\u30d6\u30ec\u30fc\u30ab\u30fc: 25A DC\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc<\/p>\n<h3>3. \u906e\u65ad\u5bb9\u91cf\uff08\u906e\u65ad\u5b9a\u683c\uff09<\/h3>\n<p>\u91cd\u8981\u306a\u5b89\u5168\u30d1\u30e9\u30e1\u30fc\u30bf\uff1a\u56de\u8def\u906e\u65ad\u5668\u304c\u30b7\u30b9\u30c6\u30e0\u3067\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u6700\u5927\u6545\u969c\u96fb\u6d41\u3092\u5b89\u5168\u306b\u906e\u65ad\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u906e\u65ad\u5bb9\u91cf\u306f\u6700\u5927\u77ed\u7d61\u96fb\u6d41\u3088\u308a\u3082\u9ad8\u304f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h4>\u906e\u65ad\u5bb9\u91cf\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3:<\/h4>\n<ul>\n<li>\u4f4e\u96fb\u5727\u30b7\u30b9\u30c6\u30e0\uff1a\u6700\u5c0f6kA<\/li>\n<li>\u592a\u967d\u5149\u767a\u96fb\u7528\u9014: \u6a19\u6e9610kA<\/li>\n<li>\u7523\u696d\u7528\u30b7\u30b9\u30c6\u30e0: 15kA\u4ee5\u4e0a<\/li>\n<\/ul>\n<h3>4. \u30c8\u30ea\u30c3\u30d7\u30ab\u30fc\u30d6\u306e\u9078\u629e<\/h3>\n<p>\u30c8\u30ea\u30c3\u30d7 \u30ab\u30fc\u30d6\u306e\u7a2e\u985e: \u30c8\u30ea\u30c3\u30d7 \u30ab\u30fc\u30d6\u306f\u3001\u904e\u8ca0\u8377\u72b6\u614b\u3067\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u901f\u5ea6\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30bf\u30a4\u30d7B: \u7167\u660e\u3068\u6696\u623f\u3092\u5099\u3048\u305f\u4f4f\u5b85\u7528\u56de\u8def\u306e\u5168\u8ca0\u8377\u306e3\uff5e5\u500d\u3067\u30c8\u30ea\u30c3\u30d7<\/li>\n<li>\u30bf\u30a4\u30d7C: \u4e00\u822c\u7684\u306a\u5546\u7528\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u5168\u8ca0\u8377\u306e5\uff5e10\u500d\u3067\u30c8\u30ea\u30c3\u30d7<\/li>\n<li>\u30bf\u30a4\u30d7D: \u9ad8\u3044\u7a81\u5165\u96fb\u6d41\u304c\u767a\u751f\u3059\u308b\u30e2\u30fc\u30bf\u30fc\u3084\u5909\u5727\u5668\u3092\u5099\u3048\u305f\u7523\u696d\u7528\u9014\u3067\u3001\u5168\u8ca0\u8377\u306e10\uff5e20\u500d\u3067\u30c8\u30ea\u30c3\u30d7\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>DC\u56de\u8def\u906e\u65ad\u5668\u306e\u7a2e\u985e\u3068\u7528\u9014<\/h2>\n<h3>DC MCB\uff08\u30df\u30cb\u30c1\u30e5\u30a2\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\uff09<\/h3>\n<p>\u6700\u9069\u306a\u7528\u9014: \u901a\u4fe1\u3084\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u306eDC\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/p>\n<h4>\u4ed5\u69d8<\/h4>\n<ul>\n<li>\u96fb\u6d41\u7bc4\u56f2: 1A\uff5e63A<\/li>\n<li>\u96fb\u5727\u7bc4\u56f2: \u6700\u59271000V DC<\/li>\n<li>\u7528\u9014: \u592a\u967d\u5149\u30d1\u30cd\u30eb\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u4fdd\u8b77\u3001\u901a\u4fe1<\/li>\n<\/ul>\n<h3>DC MCCB\uff08\u30e2\u30fc\u30eb\u30c9\u30b1\u30fc\u30b9\u906e\u65ad\u5668\uff09<\/h3>\n<p>\u7523\u696d\u7528\u9014:DC\u30e2\u30fc\u30eb\u30c9\u30b1\u30fc\u30b9\u56de\u8def\u906e\u65ad\u5668\u306f\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u8caf\u8535\u3001\u8f38\u9001\u3001\u7523\u696d\u7528DC\u56de\u8def\u306b\u6700\u9069\u3067\u3059\u3002<\/p>\n<h4>\u7279\u5fb4<\/h4>\n<ul>\n<li>\u96fb\u6d41\u7bc4\u56f2: 15A\uff5e800A<\/li>\n<li>\u3088\u308a\u9ad8\u3044\u906e\u65ad\u5bb9\u91cf\uff1a\u6700\u592750kA<\/li>\n<li>\u8abf\u6574\u53ef\u80fd\u306a\u30c8\u30ea\u30c3\u30d7\u8a2d\u5b9a<\/li>\n<\/ul>\n<h3>\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u56de\u8def\u906e\u65ad\u5668<\/h3>\n<p>\u591a\u7528\u9014\u306e\u4fdd\u8b77: \u30cf\u30a4\u30d6\u30ea\u30c3\u30c9 \u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3001AC \u3068 DC \u306e\u4e21\u65b9\u306e\u4fdd\u8b77\u3092\u5fc5\u8981\u3068\u3059\u308b\u8907\u96d1\u306a\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<h2>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56fa\u6709\u306e\u9078\u629e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/h2>\n<h3>\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0<\/h3>\n<p>\u30b9\u30c8\u30ea\u30f3\u30b0\u4fdd\u8b77\u8981\u4ef6: \u592a\u967d\u5149\u767a\u96fb\u30a2\u30ec\u30a4\u306e\u77ed\u7d61\u96fb\u6d41 (Isc) \u5b9a\u683c\u306e 1.25 \u500d\u304a\u3088\u3073\u958b\u653e\u96fb\u5727 (Voc) \u5b9a\u683c\u306e 1.2 \u500d\u3092\u906e\u65ad\u3059\u308b\u5b9a\u683c\u3092\u6301\u3064 2 \u6975 DC \u30d6\u30ec\u30fc\u30ab\u30fc\u307e\u305f\u306f\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u30fc<\/p>\n<h4>\u91cd\u8981\u306a\u8003\u616e\u4e8b\u9805<\/h4>\n<ul>\n<li>\u53cc\u65b9\u5411\u96fb\u6d41\u4fdd\u8b77\uff1a\u6545\u969c\u96fb\u6d41\u306f\u52d5\u4f5c\u96fb\u6d41\u3068\u9006\u65b9\u5411\u306b\u6d41\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001JB\u306f\u53cc\u65b9\u5411\u96fb\u6d41\u3092\u691c\u51fa\u3057\u3066\u4fdd\u8b77\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>\u6e29\u5ea6\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0: \u9ad8\u3044\u5468\u56f2\u6e29\u5ea6\u3092\u8003\u616e\u3059\u308b<\/li>\n<li>\u7d2b\u5916\u7dda\u8010\u6027\uff1a\u5c4b\u5916\u8a2d\u7f6e\u8981\u4ef6<\/li>\n<\/ul>\n<h3>\u81ea\u52d5\u8eca\u304a\u3088\u3073\u8239\u8236\u7528\u9014<\/h3>\n<p>\u74b0\u5883\u8981\u56e0\uff1a\u8239\u8236\u7528\u9014\u3067\u306f\u3001\u5bc6\u9589\u30ab\u30d0\u30fc\u3068\u8010\u632f\u52d5\u6027\u3092\u5099\u3048\u305f\u3082\u306e\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u81ea\u52d5\u8eca\u56de\u8def\u306b\u306f\u3001\u30a8\u30f3\u30b8\u30f3\u306e\u71b1\u306b\u8010\u3048\u308b\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h4>\u7279\u5225\u306a\u8981\u4ef6:<\/h4>\n<ul>\n<li>\u8010\u632f\u6027<\/li>\n<li>\u9632\u6e7f\uff08IP65\/IP66\u5b9a\u683c\uff09<\/li>\n<li>\u6e29\u5ea6\u30b5\u30a4\u30af\u30eb\uff08-40\u00b0C\uff5e+85\u00b0C\uff09<\/li>\n<\/ul>\n<h3>\u7523\u696d\u304a\u3088\u3073\u901a\u4fe1<\/h3>\n<p>\u9ad8\u4fe1\u983c\u6027\u30b7\u30b9\u30c6\u30e0\uff1a\u901a\u4fe1\uff1a\u4fe1\u983c\u6027\u3068\u6700\u5c0f\u9650\u306e\u96fb\u529b\u640d\u5931\u3092\u5b9f\u73fe\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f48V DC\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u4f7f\u7528\u3059\u308b<\/p>\n<h4>\u91cd\u8981\u306a\u6a5f\u80fd:<\/h4>\n<ul>\n<li>\u30ea\u30e2\u30fc\u30c8\u76e3\u8996\u6a5f\u80fd<\/li>\n<li>\u9078\u629e\u7684\u8abf\u6574<\/li>\n<li>\u30a2\u30fc\u30af\u6545\u969c\u4fdd\u8b77<\/li>\n<\/ul>\n<h2>\u74b0\u5883\u3068\u8a2d\u7f6e\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805<\/h2>\n<h3>\u6e29\u5ea6\u306e\u5f71\u97ff<\/h3>\n<p>\u52d5\u4f5c\u7bc4\u56f2\uff1a\u52d5\u4f5c\u74b0\u5883\u3092\u8003\u616e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9ad8\u6e29\u306f\u56de\u8def\u906e\u65ad\u5668\u306e\u6027\u80fd\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6e29\u5ea6\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0:<\/p>\n<ul>\n<li>\u6a19\u6e96\u5b9a\u683c: \u5468\u56f2\u6e29\u5ea640\u00b0C<\/li>\n<li>\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570: 60\u00b0C\u52d5\u4f5c\u306e\u5834\u54080.8<\/li>\n<li>\u5bd2\u51b7\u6c17\u5019\uff1a\u5f37\u5316\u3055\u308c\u305f\u63a5\u89e6\u6750\u6599\u304c\u5fc5\u8981<\/li>\n<\/ul>\n<h3>\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u4fdd\u8b77<\/h3>\n<p>IP\u5b9a\u683c\u306e\u9078\u629e: \u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u5c4b\u5916\u307e\u305f\u306f\u904e\u9177\u306a\u74b0\u5883\u306b\u8a2d\u7f6e\u3059\u308b\u5834\u5408\u306f\u3001\u9632\u5875\u30fb\u9632\u6e7f\u6027\u306b\u95a2\u3059\u308b\u9069\u5207\u306aIP\u5b9a\u683c\u304c\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h4>\u4fdd\u8b77\u30ec\u30d9\u30eb:<\/h4>\n<ul>\n<li>IP40: \u5c4b\u5185\u3001\u4e7e\u71e5\u3057\u305f\u74b0\u5883<\/li>\n<li>IP54: \u8efd\u5ea6\u306e\u6e7f\u6c17\u306b\u5bfe\u3059\u308b\u4fdd\u8b77<\/li>\n<li>IP65: \u5b8c\u5168\u306a\u9632\u5875\u30fb\u9632\u6c34<\/li>\n<\/ul>\n<h2>\u6a19\u6e96\u304a\u3088\u3073\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u8981\u4ef6<\/h2>\n<h3>\u56fd\u969b\u57fa\u6e96<\/h3>\n<p>\u4e3b\u8981\u898f\u683c: UL 489B\u3001IEC 60947-2\u3001ANSI C37\u306a\u3069\u306e\u696d\u754c\u898f\u683c\u306b\u9069\u5408\u3057\u305f\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u63a2\u3057\u307e\u3059\u3002<\/p>\n<h4>\u8a8d\u5b9a\u8981\u4ef6:<\/h4>\n<ul>\n<li>UL\u8a8d\u5b9a:\u5317\u7c73\u5e02\u5834<\/li>\n<li>CE\u30de\u30fc\u30af\uff1a\u6b27\u5dde\u898f\u683c\u3078\u306e\u9069\u5408<\/li>\n<li>IEC\u898f\u683c\uff1a\u56fd\u969b\u5fdc\u7528<\/li>\n<\/ul>\n<h3>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30b3\u30fc\u30c9<\/h3>\n<p>\u7c73\u56fd\u96fb\u6c17\u5de5\u4e8b\u898f\u7a0b (NEC): DC \u30b7\u30b9\u30c6\u30e0\u306e\u4fdd\u8b77\u304a\u3088\u3073\u5207\u65ad\u65b9\u6cd5\u306b\u95a2\u3059\u308b\u8981\u4ef6\u3002<\/p>\n<p>\u5730\u57df\u306e\u898f\u5247: \u7279\u5b9a\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5bfe\u3059\u308b\u5730\u57df\u306e\u96fb\u6c17\u898f\u5247\u306e\u8981\u4ef6\u3092\u5fc5\u305a\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u907f\u3051\u308b\u3079\u304d\u3088\u304f\u3042\u308b\u9078\u629e\u30df\u30b9<\/h2>\n<ol>\n<li>DC\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306bAC\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u4f7f\u7528\u3059\u308b<\/li>\n<li>\u4e0d\u5341\u5206\u306a\u7834\u58ca\u80fd\u529b<\/li>\n<li>\u74b0\u5883\u8981\u56e0\u306e\u7121\u8996<\/li>\n<li>\u8aa4\u3063\u305f\u73fe\u5728\u306e\u8a08\u7b97<\/li>\n<\/ol>\n<h2>\u30d6\u30e9\u30f3\u30c9\u306e\u63a8\u5968\u3068\u54c1\u8cea\u306e\u8003\u616e<\/h2>\n<h3>\u4fe1\u983c\u3067\u304d\u308b\u30e1\u30fc\u30ab\u30fc<\/h3>\n<ul>\n<li>VIOX Electric\uff1a\u7523\u696d\u304a\u3088\u3073\u5546\u696d\u7528\u9014<\/li>\n<li>ABB\uff1a\u9ad8\u96fb\u5727DC\u30b7\u30b9\u30c6\u30e0<\/li>\n<li>\u30a4\u30fc\u30c8\u30f3\uff1a\u5305\u62ec\u7684\u306aDC\u30d6\u30ec\u30fc\u30ab\u30fc\u30e9\u30a4\u30f3<\/li>\n<li>\u30d6\u30eb\u30fc\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u30ba\uff1a\u6d77\u6d0b\u30fb\u81ea\u52d5\u8eca\u95a2\u9023\u4e8b\u696d\u306e\u5c02\u9580\u5316<\/li>\n<\/ul>\n<h3>\u54c1\u8cea\u6307\u6a19<\/h3>\n<p>\u8b66\u544a\uff1a\u5b89\u4fa1\u306a\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3001\u8ca0\u8377\u304c\u304b\u304b\u3063\u305f\u72b6\u614b\u3067\u30c8\u30ea\u30c3\u30d7\u3057\u306a\u304b\u3063\u305f\u308a\u3001\u30a2\u30fc\u30af\u6eb6\u63a5\u3067\u906e\u65ad\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u8010\u4e45\u6027\u3092\u6c42\u3081\u308b\u306a\u3089\u3001\u4e00\u6d41\u30d6\u30e9\u30f3\u30c9\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u9078\u3073\u307e\u3057\u3087\u3046\u3002<\/p>\n<h4>\u54c1\u8cea\u8981\u56e0:<\/h4>\n<ul>\n<li>UL\/IEC\u8a8d\u8a3c<\/li>\n<li>\u30e1\u30fc\u30ab\u30fc\u4fdd\u8a3c<\/li>\n<li>\u30c6\u30af\u30cb\u30ab\u30eb\u30b5\u30dd\u30fc\u30c8\u306e\u53ef\u7528\u6027<\/li>\n<li>\u5b9f\u7e3e<\/li>\n<\/ul>\n<h2>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/h2>\n<h3>\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u30fb\u30a4\u30f3\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3<\/h3>\n<p>\u5c02\u9580\u5bb6\u306e\u63a8\u5968\u4e8b\u9805: \u9078\u629e\u30d7\u30ed\u30bb\u30b9\u304c\u4e0d\u660e\u306a\u5834\u5408\u3084\u8907\u96d1\u306a\u8981\u4ef6\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u96fb\u6c17\u6280\u8853\u8005\u307e\u305f\u306f\u5c02\u9580\u5bb6\u306b\u76f8\u8ac7\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30c6\u30b9\u30c8\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/h3>\n<p>\u5b9a\u671f\u30c6\u30b9\u30c8: \u91cd\u8981\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5bfe\u3059\u308b\u5e74\u6b21\u30c8\u30ea\u30c3\u30d7 \u30c6\u30b9\u30c8\u304a\u3088\u3073\u63a5\u89e6\u691c\u67fb\u3002<\/p>\n<h4>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb:<\/h4>\n<ul>\n<li>\u6bce\u6708\uff1a\u76ee\u8996\u691c\u67fb<\/li>\n<li>\u6bce\u5e74\uff1a\u6a5f\u80fd\u30c6\u30b9\u30c8<\/li>\n<li>5\u5e74\uff1a\u5b8c\u5168\u306a\u30aa\u30fc\u30d0\u30fc\u30db\u30fc\u30eb\uff08\u7523\u696d\u7528\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff09<\/li>\n<\/ul>\n<h2>\u5c06\u6765\u306e\u691c\u8a0e\u4e8b\u9805\u3068\u6280\u8853\u52d5\u5411<\/h2>\n<h3>\u30b9\u30de\u30fc\u30c8DC\u30d6\u30ec\u30fc\u30ab\u30fc<\/h3>\n<p>\u30c7\u30b8\u30bf\u30eb\u7d71\u5408: \u30ea\u30e2\u30fc\u30c8\u76e3\u8996\u3001\u4e88\u6e2c\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3001IoT \u63a5\u7d9a\u304c\u6a19\u6e96\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>\u9ad8\u96fb\u5727\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h3>\n<p>EV \u5145\u96fb: \u7279\u6b8a\u306a\u9ad8\u96fb\u5727 DC \u4fdd\u8b77\u3092\u5fc5\u8981\u3068\u3059\u308b 800V \u4ee5\u4e0a\u306e\u30b7\u30b9\u30c6\u30e0\u3002<\/p>\n<h3>\u30a2\u30fc\u30af\u6545\u969c\u691c\u51fa<\/h3>\n<p>\u5f37\u5316\u3055\u308c\u305f\u5b89\u5168\u6027: DC \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5411\u3051\u306e\u9ad8\u5ea6\u306a\u30a2\u30fc\u30af\u6545\u969c\u56de\u8def\u906e\u65ad\u88c5\u7f6e (AFCI)\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u9069\u5207\u306aDC\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u9078\u629e\u3059\u308b\u306b\u306f\u3001\u96fb\u5727\u5b9a\u683c\u3001\u96fb\u6d41\u8a08\u7b97\u3001\u906e\u65ad\u5bb9\u91cf\u3001\u305d\u3057\u3066\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56fa\u6709\u306e\u8981\u4ef6\u3092\u614e\u91cd\u306b\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6210\u529f\u306e\u9375\u306f\u3001DC\u30b7\u30b9\u30c6\u30e0\u3068AC\u30b7\u30b9\u30c6\u30e0\u306e\u6839\u672c\u7684\u306a\u9055\u3044\u3092\u7406\u89e3\u3057\u3001DC\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5411\u3051\u306b\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u7d50\u8ad6\uff1aDC\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u9078\u3076\u969b\u306b\u306f\u3001\u54c1\u8cea\u306b\u6c7a\u3057\u3066\u59a5\u5354\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u30d7\u30ec\u30df\u30a2\u30e0\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u4f4e\u4fa1\u683c\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30b3\u30b9\u30c8\u5dee\u306f\u3001\u6a5f\u5668\u306e\u6545\u969c\u3084\u5b89\u5168\u4e0a\u306e\u4e8b\u6545\u306b\u3088\u308b\u6f5c\u5728\u7684\u306a\u5f71\u97ff\u3068\u6bd4\u8f03\u3059\u308b\u3068\u3054\u304f\u308f\u305a\u304b\u3067\u3059\u3002<\/p>\n<p>\u8907\u96d1\u306a\u8a2d\u7f6e\u3084\u9ad8\u4fa1\u5024\u30b7\u30b9\u30c6\u30e0\u306e\u5834\u5408\u306f\u3001\u5fc5\u305a\u8cc7\u683c\u306e\u3042\u308b\u96fb\u6c17\u6280\u8853\u8005\u306b\u76f8\u8ac7\u3057\u3066\u3001\u9069\u5207\u306a\u9078\u629e\u3068\u8a72\u5f53\u3059\u308b\u30b3\u30fc\u30c9\u3084\u57fa\u6e96\u3078\u306e\u6e96\u62e0\u3092\u78ba\u4fdd\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u95a2\u9023<\/h2>\n<p><a href=\"https:\/\/test.viox.com\/ja\/dc-isolator-vs-dc-circuit-breaker-complete-comparison-guide\/\">\u76f4\u6d41\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u3068\u76f4\u6d41\u906e\u65ad\u5668\u306e\u6bd4\u8f03\uff1a\u5b8c\u5168\u6bd4\u8f03\u30ac\u30a4\u30c9<\/a><\/p>\n<p><a href=\"https:\/\/test.viox.com\/ja\/what-is-a-dc-circuit-breaker\/\">DC\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3068\u306f<\/a><\/p>\n<p><a href=\"https:\/\/test.viox.com\/ja\/dc-isolator-vs-dc-circuit-breaker-complete-comparison-guide\/\">\u76f4\u6d41\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u3068\u76f4\u6d41\u906e\u65ad\u5668\u306e\u6bd4\u8f03\uff1a\u5b8c\u5168\u6bd4\u8f03\u30ac\u30a4\u30c9<\/a><\/p>\n<p><a href=\"https:\/\/test.viox.com\/ja\/type-of-mcb\/\">MCB\u306e\u7a2e\u985e<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction Selecting the right DC circuit breaker isn&#8217;t just about matching amperage ratings. Unlike AC breakers that benefit from natural zero-crossing points, DC circuit breakers face unique challenges with arc extinction and continuous current flow. Whether you&#8217;re protecting solar panel installations, automotive circuits, or industrial DC systems, understanding these critical differences can prevent equipment damage and ensure safety compliance. This comprehensive guide covers the essential factors for DC circuit breaker selection, from voltage ratings to application-specific requirements. Why DC Circuit Breakers Are Different from AC Breakers Arc Extinction Challenge: DC circuit breakers face a unique challenge because DC current does not naturally pass through a zero point, making it harder [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":17708,"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-17707","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\/17707","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=17707"}],"version-history":[{"count":0,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/17707\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media\/17708"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media?parent=17707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/categories?post=17707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/tags?post=17707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}