{"id":2855,"date":"2026-08-20T17:19:08","date_gmt":"2026-08-20T09:19:08","guid":{"rendered":"https:\/\/sayoon-dc.com\/?p=2855"},"modified":"2026-08-20T17:19:05","modified_gmt":"2026-08-20T09:19:05","slug":"ac-and-dc-contactor-%e3%81%ae%e9%81%95%e3%81%84","status":"publish","type":"post","link":"https:\/\/sayoon-dc.com\/ja\/blog\/difference-between-ac-and-dc-contactor\/","title":{"rendered":"\u4ea4\u6d41\u63a5\u89e6\u5668\u3068\u76f4\u6d41\u63a5\u89e6\u5668\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\">\u305d\u306e <strong>AC and DC contactor \u306e\u9055\u3044<\/strong> \u8a2d\u8a08\u306f\u3001\u8ca0\u8377\u304c\u304b\u304b\u3063\u305f\u72b6\u614b\u3067\u63a5\u70b9\u304c\u958b\u3044\u305f\u3068\u304d\u306b\u3001\u5404\u30c7\u30d0\u30a4\u30b9\u304c\u3069\u306e\u3088\u3046\u306b\u96fb\u6c17\u30a2\u30fc\u30af\u3092\u6d88\u53bb\u3059\u308b\u304b\u306b\u59cb\u307e\u308a\u307e\u3059\u3002AC\u30b3\u30f3\u30bf\u30af\u30bf\u306f\u96fb\u6d41\u306e\u30bc\u30ed\u30af\u30ed\u30b9\u70b9\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u304c\u3001DC\u30b3\u30f3\u30bf\u30af\u30bf\u306f\u96fb\u6d41\u304c\u9014\u5207\u308c\u306a\u3044\u305f\u3081\u3001\u30a2\u30fc\u30af\u3092\u5f37\u5236\u7684\u306b\u6d88\u53bb\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30a2\u30fc\u30af\u306e\u6319\u52d5\u3001\u30b3\u30a4\u30eb\u3068\u30b3\u30a2\u306e\u69cb\u9020\u3001\u6975\u6027\u306e\u898f\u5247\u3001\u4ee3\u66ff\u4f7f\u7528\u306e\u30ea\u30b9\u30af\u3001\u4e00\u822c\u7684\u306a\u7528\u9014\u3001\u305d\u3057\u3066\u5177\u4f53\u7684\u306a\u4f4e\u96fb\u5727DC\u30e2\u30c7\u30eb\u306e\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u3064\u3044\u3066\u6bd4\u8f03\u3057\u307e\u3059\u3002.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"AC\u5bfeDC\u9078\u629e\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u4f7f\u7528\u3055\u308c\u308bDC\u30b3\u30f3\u30bf\u30af\u30bf\u3092\u793a\u3059\u6ce8\u76ee\u30b7\u30fc\u30f3\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/08\/featured-ac-vs-dc-contactor-scene.webp\" \/><\/figure>\n<nav class=\"b2b-toc\" style=\"background:#f5f8fa;padding:16px 20px;border-radius:8px;margin:0 0 24px\">\n<h2 id=\"contents\" style=\"margin:42px 0 14px;scroll-margin-top:96px\">\u76ee\u6b21<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"#arc-extinction-why-ac-and-dc-contactors-behave-differently\">\u30a2\u30fc\u30af\u6d88\u5f27\uff1aAC\uff08\u4ea4\u6d41\uff09\u3068DC\uff08\u76f4\u6d41\uff09\u306e\u63a5\u89e6\u5668\u306e\u6319\u52d5\u304c\u7570\u306a\u308b\u7406\u7531<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#coil-core-and-contact-design-differences\">\u30b3\u30a4\u30eb\u3001\u30b3\u30a2\u3001\u304a\u3088\u3073\u63a5\u70b9\u306e\u8a2d\u8a08\u306e\u9055\u3044<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#polarity-and-directional-arc-control-on-dc-circuits\">\u76f4\u6d41\u56de\u8def\u306b\u304a\u3051\u308b\u6975\u6027\u3068\u6307\u5411\u6027\u30a2\u30fc\u30af\u5236\u5fa1<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#can-you-use-an-ac-contactor-on-a-dc-circuit\">AC\u30b3\u30f3\u30c0\u30af\u30bf\u30fc\u3092DC\u56de\u8def\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#where-ac-contactors-and-dc-contactors-are-typically-used\">AC\u30b3\u30f3\u30bf\u30af\u30bf\u304a\u3088\u3073DC\u30b3\u30f3\u30bf\u30af\u30bf\u304c\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u5834\u6240<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#select-a-dc-contactor-for-low-voltage-dc-panels\">\u4f4e\u5727DC\u30d1\u30cd\u30eb\u7528DC\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u9078\u5b9a<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"arc-extinction-why-ac-and-dc-contactors-behave-differently\">\u30a2\u30fc\u30af\u6d88\u5f27\uff1aAC\uff08\u4ea4\u6d41\uff09\u3068DC\uff08\u76f4\u6d41\uff09\u306e\u63a5\u89e6\u5668\u306e\u6319\u52d5\u304c\u7570\u306a\u308b\u7406\u7531<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u4ea4\u6d41\u63a5\u89e6\u5668\u548c\u76f4\u6d41\u63a5\u89e6\u5668\u7684\u533a\u522b\u9996\u5148\u5728\u4e8e\u706d\u5f27\uff1a\u4ea4\u6d41\u7535\u5468\u671f\u6027\u8fc7\u96f6\uff0c\u800c\u76f4\u6d41\u7535\u5219\u4e0d\u4f1a\u3002.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u4ea4\u6d41\u56de\u8def\u3067\u306f\u3001\u96fb\u6d41\u306e\u6ce2\u5f62\u306f1\u30b5\u30a4\u30af\u30eb\u3054\u3068\u306b2\u56de\u30bc\u30ed\u70b9\u3092\u901a\u904e\u3057\u307e\u3059\u300260 Hz\u3067\u306f\u3053\u308c\u306b\u3088\u308a1\u79d2\u9593\u306b\u6700\u5927120\u56de\u306e\u30bc\u30ed\u30af\u30ed\u30b9\u4e8b\u8c61\u304c\u767a\u751f\u3057\u3001\u63a5\u70b9\u6750\u6599\u306e\u6280\u8853\u8cc7\u6599\u3067\u306f\u3001\u305d\u306e\u67a0\u7d44\u307f\u306b\u304a\u3044\u3066\u6700\u5927\u30a2\u30fc\u30af\u6642\u9593\u30928\u30df\u30ea\u79d2\u672a\u6e80\u306b\u5236\u9650\u3067\u304d\u308b\u5834\u5408\u304c\u3042\u308b\u3053\u3068\u304c\u6307\u6458\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30a2\u30fc\u30af\u304c\u30bc\u30ed\u70b9\u4ed8\u8fd1\u3067\u6d88\u6ec5\u3057\u305f\u5f8c\u3001\u6975\u6027\u304c\u53cd\u8ee2\u3057\u3001\u65b0\u3057\u3044\u30ab\u30bd\u30fc\u30c9\u4ed8\u8fd1\u306e\u8584\u3044\u30a4\u30aa\u30f3\u30b7\u30fc\u30b9\u306b\u3088\u3063\u3066\u3001\u591a\u304f\u306e\u9ad8\u96fb\u5727\uff08\u203b\u30df\u30c3\u30c9\u30fb\u30dc\u30eb\u30c6\u30fc\u30b8\u306f\u4e00\u822c\u7684\u306b\u4e2d\u96fb\u5727\u307e\u305f\u306f\u4e2d\u5727\u3068\u8a33\u3055\u308c\u307e\u3059\uff09\u6761\u4ef6\u4e0b\u3067\u306f\u5373\u5ea7\u306e\u518d\u70b9\u5f27\u304c\u3088\u308a\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u76f4\u6d41\u56de\u8def\u306b\u306f\u81ea\u7136\u306a\u30bc\u30ed\u4ea4\u5dee\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u63a5\u70b9\u304c\u958b\u304f\u3068\u304d\u3001\u30b3\u30f3\u30bf\u30af\u30bf\u304c\u30a2\u30fc\u30af\u96fb\u5727\u3092\u96fb\u6e90\u96fb\u5727\u3088\u308a\u3082\u9ad8\u304f\u5f15\u304d\u4e0a\u3052\u308b\u307e\u3067\u3001\u96fb\u6c17\u30a2\u30fc\u30af\u306f\u71c3\u3048\u7d9a\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u9ad8\u96fb\u5727\u76f4\u6d41\uff08DC\uff09\u958b\u9589\u306b\u95a2\u3059\u308b\u30db\u30ef\u30a4\u30c8\u30da\u30fc\u30d1\u30fc\u306b\u306f\u3001\u30a2\u30fc\u30af\u96fb\u5727\u304cDC\u96fb\u6e90\u96fb\u5727\u3088\u308a\u3082\u5927\u304d\u3044\u3053\u3068\u304c\u6d88\u5f27\u6761\u4ef6\u3068\u3057\u3066\u8a18\u8f09\u3055\u308c\u3066\u304a\u308a\u3001\u63a5\u70b9\u91d1\u5c5e\u3092\u6eb6\u878d\u3057\u3066\u518d\u4ed8\u7740\u3055\u305b\u308b5000K\u3092\u8d85\u3048\u308b\u30a2\u30fc\u30af\u906e\u65ad\u6e29\u5ea6\u306b\u3064\u3044\u3066\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u305d\u306e\u305f\u3081\u3001\u76f4\u6d41\u63a5\u89e6\u5668\u306e\u6d88\u5f27\u8a2d\u8a08\u3067\u306f\u3001\u78c1\u6c17\u5439\u304d\u6d88\u3057\u3001\u3088\u308a\u9577\u3044\u30a2\u30fc\u30af\u7d4c\u8def\u3001\u307e\u305f\u306f\u5bc6\u9589\u5ba4\u304c\u8ffd\u52a0\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u30a2\u30f3\u30da\u30a2\u306e\u8868\u793a\u30e9\u30d9\u30eb\u3060\u3051\u3067\u306f\u3001\u3053\u306e\u7269\u7406\u73fe\u8c61\u3092\u3068\u3089\u3048\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002.<\/p>\n<div class=\"b2b-table-scroll\" role=\"region\" aria-label=\"\u30b9\u30af\u30ed\u30fc\u30eb\u53ef\u80fd\u306a\u30c7\u30fc\u30bf\u30c6\u30fc\u30d6\u30eb\" tabindex=\"0\" style=\"width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 18px\">\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u6a5f\u80fd<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u96fb\u78c1\u63a5\u89e6\u5668<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u76f4\u6d41\u63a5\u89e6\u5668<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u73fe\u5728\u306e\u52d5\u4f5c<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u4ea4\u4e92\u306e\uff1b\u5404\u534a\u30b5\u30a4\u30af\u30eb\u3067\u30bc\u30ed\u30af\u30ed\u30b9\u3059\u308b<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u9023\u7d9a\u3059\u308b\u4e00\u65b9\u5411\u306e\u96fb\u6d41<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u30a2\u30fc\u30af\u6d88\u5f27\u30a2\u30b7\u30b9\u30c8<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u6ce2\u5f62\u30bc\u30ed\u306f\u30a2\u30fc\u30af\u306e\u53ce\u675f\u3092\u52a9\u3051\u308b<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u30c7\u30d0\u30a4\u30b9\u306f\u5f37\u5236\u7684\u306b\u30a2\u30fc\u30af\u3092\u6d88\u53bb\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u4e00\u822c\u7684\u306a\u30a2\u30fc\u30af\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">AC\u7528\u30a2\u30fc\u30af\u30b7\u30e5\u30fc\u30c8<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u3088\u308a\u5f37\u56fa\u306a\u30b7\u30e5\u30fc\u30c8\u3001\u78c1\u6c17\u5439\u304d\u6d88\u3057\u3001\u307e\u305f\u306f\u5bc6\u9589\u30c1\u30e3\u30f3\u30d0\u30fc<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u6469\u8017\u30d1\u30bf\u30fc\u30f3<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u30e9\u30f3\u30c0\u30e0\u306a\u6975\u6027\u304c\u5897\u52a0<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u9577\u3081\u306e\u5f27\u3002\u4e00\u8cab\u3057\u305f\u6975\u6027\u306f\u4e00\u65b9\u306e\u9762\u3092\u3088\u308a\u6fc0\u3057\u304f\u6469\u8017\u3055\u305b\u308b\u3053\u3068\u304c\u3042\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"coil-core-and-contact-design-differences\">\u30b3\u30a4\u30eb\u3001\u30b3\u30a2\u3001\u304a\u3088\u3073\u63a5\u70b9\u306e\u8a2d\u8a08\u306e\u9055\u3044<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u30b3\u30a4\u30eb\u3068\u30b3\u30a2\u306e\u8a2d\u8a08\u306f\u3001\u540c\u3058\u96fb\u6d41\u578b\u306e\u5206\u985e\u306b\u5f93\u3044\u307e\u3059\u3002\u3059\u306a\u308f\u3061\u3001AC\u78c1\u6c17\u56de\u8def\u306f\u4ea4\u756a\u78c1\u675f\u3068\u6226\u3044\u3001DC\u78c1\u6c17\u56de\u8def\u306f\u5b9a\u5e38\u78c1\u5834\u3092\u7dad\u6301\u3057\u307e\u3059\u3002.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u4ea4\u6d41\uff08AC\uff09\u30b3\u30a4\u30eb\u306f\u3001\u30a2\u30fc\u30de\u30c1\u30e5\u30a2\uff08\u53ef\u52d5\u9244\u5fc3\uff09\u304c\u5438\u7740\u3057\u305f\u969b\u306b\u96fb\u6d41\u3092\u5236\u9650\u3059\u308b\u8a98\u5c0e\u30ea\u30a2\u30af\u30bf\u30f3\u30b9\u3092\u767a\u751f\u3057\u307e\u3059\u3002\u78c1\u6c17\u30b3\u30a2\u306f\u901a\u5e38\u3001\u6e26\u96fb\u6d41\u640d\u306b\u3088\u308b\u767a\u71b1\u3092\u6291\u3048\u308b\u305f\u3081\u306b\u7a4d\u5c64\u9244\u5fc3\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u307e\u305f\u30b7\u30a7\u30fc\u30c7\u30a3\u30f3\u30b0\u30ea\u30f3\u30b0\uff08\u77ed\u7d61\u74b0\uff09\u306b\u3088\u3063\u3066\u3001\u78c1\u675f\u304c\u30bc\u30ed\u306b\u306a\u308b\u77ac\u9593\u306e\u30a2\u30fc\u30de\u30c1\u30e5\u30a2\u306e\u3046\u306a\u308a\u97f3\u3092\u9632\u3044\u3067\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8a2d\u8a08\u4e0a\u306e\u9078\u629e\u306b\u3088\u308a\u3001\u30e2\u30fc\u30bf\u30fc\u3001HVAC\uff08\u7a7a\u8abf\u8a2d\u5099\uff09\u3001\u304a\u3088\u3073\u7167\u660e\u5206\u96fb\u76e4\u306b\u304a\u3051\u308b\u983b\u7e41\u306a\u5207\u308a\u66ff\u3048\u52d5\u4f5c\u304c\u53ef\u80fd\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u76f4\u6d41\u30b3\u30a4\u30eb\u306e\u96fb\u6d41\u306f\u3001\u4e3b\u306b\u5dfb\u304d\u7dda\u62b5\u6297\u306b\u3088\u3063\u3066\u5236\u9650\u3055\u308c\u3001\u5438\u5f15\u6642\u3068\u4fdd\u6301\u6642\u306e\u5207\u308a\u66ff\u3048\u306e\u305f\u3081\u306b\u30a8\u30b3\u30ce\u30de\u30a4\u30b6\u30fc\u56de\u8def\u304c\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u78c1\u675f\u304c\u4e00\u5b9a\u3067\u3042\u308b\u305f\u3081\u3001\u30bd\u30ea\u30c3\u30c9\u30b3\u30a2\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u30bc\u30ed\u30af\u30ed\u30c3\u30b7\u30f3\u30b0\u306e\u52a9\u3051\u304c\u306a\u3044\u305f\u3081\u30a2\u30fc\u30af\u304c\u9577\u304f\u6301\u7d9a\u3057\u3001\u63a5\u70b9\u3084\u30ae\u30e3\u30c3\u30d7\u306f\u901a\u5e38\u3088\u308a\u9811\u4e08\u306b\u4f5c\u3089\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"\u63a5\u89e6\u5668\u30bf\u30a4\u30d7\u9593\u306e\u30b3\u30a4\u30eb\u3068\u30b3\u30a2\u306e\u9055\u3044\u306b\u95a2\u3059\u308b\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u306e\u5bfe\u6bd4\u30b7\u30fc\u30f3\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/08\/body-coil-core-contrast-scene.webp\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\">AC\u3068DC\u306e\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3092\u6bd4\u8f03\u3059\u308b\u8aad\u8005\u306f\u3001\u30b3\u30a4\u30eb\u3092\u52b1\u78c1\u3059\u308b\u3082\u306e\u3068\u3001\u4e3b\u63a5\u70b9\u304c\u906e\u65ad\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3082\u306e\u306e2\u3064\u306e\u7591\u554f\u3092\u533a\u5225\u3059\u3079\u304d\u3067\u3042\u308b\u3002DC\u30b3\u30a4\u30eb\u3092\u5099\u3048\u3066\u3044\u306a\u304c\u3089AC\u306e\u4e3b\u96fb\u6d41\u3092\u906e\u65ad\u3059\u308b\u30b3\u30f3\u30bf\u30af\u30bf\u3067\u3042\u3063\u3066\u3082\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u3084\u30bd\u30fc\u30e9\u30fc\u306eDC\u30d0\u30b9\u306b\u5bfe\u3057\u3066\u81ea\u52d5\u7684\u306b\u5b9a\u683c\u304c\u9069\u5408\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3002.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"polarity-and-directional-arc-control-on-dc-circuits\">\u76f4\u6d41\u56de\u8def\u306b\u304a\u3051\u308b\u6975\u6027\u3068\u6307\u5411\u6027\u30a2\u30fc\u30af\u5236\u5fa1<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u591a\u304f\u306e\u76f4\u6d41\u63a5\u89e6\u5668\u306b\u304a\u3044\u3066\u6975\u6027\u306f\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u78c1\u6c17\u30a2\u30fc\u30af\u6d88\u5f27\u306e\u65b9\u5411\u6027\u304c\u4e00\u65b9\u5411\u3060\u304b\u3089\u3067\u3059\u3002.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u78c1\u6c17\u5439\u6d88\u78c1\u5834\u306f\u30a2\u30fc\u30af\u3092\u5f15\u304d\u5ef6\u3070\u3057\u3066\u30b7\u30e5\u30fc\u30c8\u3084\u3088\u308a\u9577\u3044\u7d4c\u8def\u3078\u3068\u5c0e\u304f\u3002\u305d\u306e\u78c1\u5834\u304c\u5206\u6975\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u4e3b\u56de\u8def\u306e\u6975\u6027\u3092\u53cd\u8ee2\u3055\u305b\u308b\u3068\u3001\u30a2\u30fc\u30af\u304c\u5f31\u3081\u3089\u308c\u305f\u308a\u3001\u8aa4\u3063\u305f\u65b9\u5411\u306b\u8a98\u5c0e\u3055\u308c\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u76f4\u6d41\uff08DC\uff09\u7528\u30bd\u30fc\u30e9\u30fc\u30c7\u30a3\u30b9\u30b3\u30cd\u30af\u30c8\u306e\u73fe\u5834\u8a2d\u7f6e\u4f5c\u696d\u54e1\u306f\u3001\u4ea4\u6d41\uff08AC\uff09\u306e\u76f8\u30e9\u30d9\u30eb\u3068\u306f\u7570\u306a\u308a\u3001DC\u306e\u6975\u306f\u4e92\u63db\u6027\u304c\u306a\u3044\u5834\u5408\u304c\u591a\u304f\u3001\u706b\u82b1\u6d88\u53bb\u7528\u30b7\u30e5\u30fc\u30c8\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306b\u306f\u65b9\u5411\u6027\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308b\u3068\u3001\u3057\u3070\u3057\u3070\u8b66\u544a\u3057\u3066\u3044\u308b\u3002.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u5c0e\u7dda\u3092\u63a5\u7d9a\u3059\u308b\u524d\u306b\u3001\u7aef\u5b50\u306e\u30d7\u30e9\u30b9\uff0f\u30de\u30a4\u30ca\u30b9\u8868\u793a\u3068\u7d50\u7dda\u56f3\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3059\u3079\u3066\u306eDC\u30b3\u30f3\u30bf\u30af\u30bf\u306b\u6975\u6027\u304c\u3042\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u3059\u3079\u3066\u306eDC\u6a5f\u5668\u3092\u7121\u6975\u6027\u3068\u3057\u3066\u6271\u3046\u3053\u3068\u306f\u3001\u3088\u304f\u3042\u308b\u914d\u7dda\u4e0a\u306e\u30ea\u30b9\u30af\u3067\u3059\u3002.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"DC\u7528\u9014\u306e\u8a3c\u660e\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u308bSZJB200A-D\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u88fd\u54c1\u5199\u771f\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/szjb200a-d_s1-2.webp\" \/><\/figure>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"can-you-use-an-ac-contactor-on-a-dc-circuit\">AC\u30b3\u30f3\u30c0\u30af\u30bf\u30fc\u3092DC\u56de\u8def\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u307b\u307c\u3059\u3079\u3066\u306e\u5b9f\u969b\u306e\u5236\u5fa1\u76e4\u306b\u304a\u3044\u3066\u3001\u300cAC\u30b3\u30f3\u30bf\u30af\u30bf\u30fc\u3092DC\u306b\u4f7f\u7528\u3067\u304d\u308b\u304b\u300d\u3068\u3044\u3046\u554f\u3044\u306b\u5bfe\u3059\u308b\u7b54\u3048\u306f\u3001\u30e1\u30fc\u30ab\u30fc\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u305d\u306eDC\u96fb\u5727\u3001\u96fb\u6d41\u3001\u304a\u3088\u3073\u4f7f\u7528\u30ab\u30c6\u30b4\u30ea\u30fc\u304c\u660e\u8a18\u3055\u308c\u3066\u3044\u306a\u3044\u9650\u308a\u3001\u30ce\u30fc\u3067\u3042\u308b\u3002.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u969c\u5bb3\u306e\u73fe\u308c\u65b9\u306f\u660e\u767d\u3067\u3042\u308b\u3002\u63a5\u70b9\u304c\u6eb6\u7740\u3057\u305f\u308a\u3001\u30a2\u30fc\u30af\u304c\u6d88\u5f27\u5ba4\u304b\u3089\u98db\u3073\u51fa\u3057\u305f\u308a\u3001\u6307\u4ee4\u3092\u53d7\u3051\u3066\u3082\u56de\u8def\u304c\u906e\u65ad\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u3042\u308b\u3002\u73fe\u5834\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u305f\u3061\u306f\u3001\u4ea4\u6d41\uff08VAC\uff09\u5c02\u7528\u306e\u30a2\u30f3\u30da\u30a2\u8868\u793a\u3092\u898b\u3066\u3001\u305d\u308c\u304c\u540c\u7b49\u306e\u76f4\u6d41\uff08VDC\uff09\u306e\u6570\u5024\u306b\u3082\u5f53\u3066\u306f\u307e\u308b\u3068\u5b89\u6613\u306b\u8003\u3048\u308b\u3088\u3046\u306a\u624b\u629c\u304d\u3092\u3001\u7e70\u308a\u8fd4\u3057\u5426\u5b9a\u3057\u3066\u3044\u308b\u3002.<\/p>\n<blockquote>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>\u91cd\u8981\uff1a<\/strong> 600 VAC\u306e\u906e\u65ad\u5b9a\u683c\u306f\u3001110 VDC\u306e\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u56de\u8def\u3067\u306e\u5b89\u5168\u306a\u906e\u65ad\u3092\u8a3c\u660e\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4f7f\u7528\u96fb\u5727\u306b\u5bfe\u3059\u308b\u660e\u793a\u7684\u306aDC\u5b9a\u683c\u3092\u6301\u3064\u30c7\u30d0\u30a4\u30b9\u3092\u6c42\u3081\u3066\u304f\u3060\u3055\u3044\u3002\u51fa\u5178\uff1aDC\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306b\u4f7f\u7528\u3055\u308c\u308bVAC\u5c02\u7528\u906e\u65ad\u5668\u306b\u95a2\u3059\u308b\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306eQ&amp;A\u3002.<\/p>\n<\/blockquote>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u5236\u9650\u3055\u308c\u305fDC\u5b9a\u683c\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001AC\u5024\u304b\u3089\u306e\u7d4c\u9a13\u5247\u7684\u306a\u63db\u7b97\u3067\u306f\u306a\u304f\u3001\u305d\u306e\u96fb\u5727\u3001\u96fb\u6d41\u3001\u304a\u3088\u3073\u30c7\u30e5\u30fc\u30c6\u30a3\u3092\u6b63\u78ba\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u5229\u7528\u30ab\u30c6\u30b4\u30ea\u306f\u4f9d\u7136\u3068\u3057\u3066\u91cd\u8981\u3067\u3042\u308a\u3001\u62b5\u6297\u6027\u306eDC-1\u30c7\u30e5\u30fc\u30c6\u30a3\u306f\u3001\u8a98\u5c0e\u6027\u306e\u9ad8\u3044DC\u30e2\u30fc\u30bf\u30fc\u30c7\u30e5\u30fc\u30c6\u30a3\u3068\u540c\u3058\u554f\u984c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<div class=\"b2b-table-scroll\" role=\"region\" aria-label=\"\u30b9\u30af\u30ed\u30fc\u30eb\u53ef\u80fd\u306a\u30c7\u30fc\u30bf\u30c6\u30fc\u30d6\u30eb\" tabindex=\"0\" style=\"width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 18px\">\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u9078\u629e\u30c1\u30a7\u30c3\u30af<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u4f55\u3092\u691c\u8a3c\u3059\u3079\u304d\u304b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u73fe\u5728\u306e\u30bf\u30a4\u30d7<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u30e1\u30a4\u30f3\u7d4c\u8def\u306b\u304a\u3051\u308b\u4ea4\u6d41\u8ca0\u8377\u3068\u76f4\u6d41\u8ca0\u8377<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u63a5\u70b9\u5b9a\u683c<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u4ea4\u6d41\u306e\u307f\u3067\u306f\u306a\u304f\u3001\u660e\u793a\u7684\u306aDC\uff08\u76f4\u6d41\uff09\u306e\u96fb\u5727\u3068\u96fb\u6d41<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u5229\u7528\u533a\u5206<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u30c7\u30e5\u30fc\u30c6\u30a3\u306f\u9298\u677f\u306e\u30a2\u30f3\u30da\u30a2\u6570\u3067\u306f\u306a\u304f\u8ca0\u8377\u306b\u5408\u308f\u305b\u308b\u3082\u306e<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u30b3\u30a4\u30eb\u4f9b\u7d66<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u30b3\u30a4\u30eb\u96fb\u5727\u306e\u7a2e\u985e\u304c\u5236\u5fa1\u56de\u8def\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u6975\u6027<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">DC\u8a2d\u8a08\u304c\u5206\u6975\u3055\u308c\u305f\u3068\u304d\u306b\u30de\u30fc\u30af\u30b9\u3068\u56f3\u9762\u3092\u78ba\u8a8d<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u969c\u5bb3\u5bfe\u7b56\u65b9\u91dd<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u77ed\u7d61\u304a\u3088\u3073\u4fdd\u8b77\u5354\u8abf\u306f\u5b9a\u7fa9\u3055\u308c\u305f\u307e\u307e\u3067\u3042\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"where-ac-contactors-and-dc-contactors-are-typically-used\">AC\u30b3\u30f3\u30bf\u30af\u30bf\u304a\u3088\u3073DC\u30b3\u30f3\u30bf\u30af\u30bf\u304c\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u5834\u6240<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u73fe\u5728\u306e\u4e3b\u63a5\u70b9\u306e\u906e\u65ad\u306b\u3088\u3063\u3066\u9078\u629e\u3057\u3001\u305d\u308c\u304b\u3089\u5b9a\u683c\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3002\u9006\u306e\u9806\u756a\u3067\u884c\u308f\u306a\u3044\u3053\u3068\u3002.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u4ea4\u6d41\u63a5\u89e6\u5668\u63a7\u5236\u7740\u4e09\u76f8\u7535\u673a\u3001\u6696\u901a\u7a7a\u8c03\u538b\u7f29\u673a\u3001\u6c34\u6cf5\u3001\u98ce\u673a\u3001\u7167\u660e\u914d\u7535\u76d8\u4ee5\u53ca\u7528\u4e8e\u5207\u6362\u4ea4\u6d41\u7535\u7684\u5de5\u5382\u81ea\u52a8\u5316\u63a7\u5236\u67dc\u3002\u9891\u7e41\u542f\u505c\u7684\u5faa\u73af\u9002\u5408\u91c7\u7528\u4f9d\u9760\u8fc7\u96f6\u8f85\u52a9\u706d\u5f27\u7684\u4ea4\u6d41\u8bbe\u8ba1\u3002.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">DC\u63a5\u89e6\u5668\u306f\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u30b9\u30c8\u30ea\u30f3\u30b0\u3001\u592a\u967d\u5149\u767a\u96fb\u306eDC\u5074\u3001EV\u304a\u3088\u3073\u5145\u96fb\u7528DC\u56de\u8def\u3001UPS\u306eDC\u30d0\u30b9\u3001\u901a\u4fe1\u7528\u96fb\u6e90\u30e9\u30c3\u30af\u3001\u30d5\u30a9\u30fc\u30af\u30ea\u30d5\u30c8\u3001AGV\u3001\u3081\u3063\u304d\u30e9\u30a4\u30f3\u3001\u305d\u306e\u4ed6\u306e\u9023\u7d9a\u96fb\u6d41\u56de\u8def\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u84c4\u7a4d\u3055\u308c\u305f\u30a8\u30cd\u30eb\u30ae\u30fc\u306b\u3088\u3063\u3066\u5229\u7528\u53ef\u80fd\u306a\u6545\u969c\u96fb\u6d41\u304c\u5897\u52a0\u3059\u308b\u305f\u3081\u3001\u5f37\u5236\u7684\u306a\u30a2\u30fc\u30af\u6d88\u53bb\u306f\u5b89\u5168\u8a2d\u8a08\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u306a\u8981\u7d20\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u6a5f\u68b0\u306f\u3001AC\u30e2\u30fc\u30bf\u30fc\u30d5\u30a3\u30fc\u30c0\u30fc\u4e0a\u306eAC\u30b3\u30f3\u30bf\u30af\u30bf\u3068\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u307e\u305f\u306fDC\u914d\u96fb\u7d4c\u8def\u4e0a\u306eDC\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u4e21\u65b9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u30a2\u30f3\u30da\u30a2\u6570\u304c\u300c\u8fd1\u3044\u300d\u3068\u3044\u3046\u7406\u7531\u3060\u3051\u30671\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u4e21\u65b9\u306e\u96fb\u6d41\u30bf\u30a4\u30d7\u3067\u5171\u6709\u3059\u308b\u3068\u3001\u4e0a\u8a18\u306e\u4ee3\u7528\u30df\u30b9\u304c\u518d\u3073\u767a\u751f\u3057\u307e\u3059\u3002.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"select-a-dc-contactor-for-low-voltage-dc-panels\">\u4f4e\u5727DC\u30d1\u30cd\u30eb\u7528DC\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u9078\u5b9a<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u8ca0\u8377\u304cDC\u3067\u3042\u308b\u3068\u78ba\u8a8d\u3067\u304d\u305f\u3089\u3001\u30d1\u30fc\u30c4\u30dc\u30c3\u30af\u30b9\u306e\u4f59\u308a\u7269\u306e\u3088\u3046\u306aAC\u7528\u3067\u306f\u306a\u304f\u3001\u56f3\u9762\u306b\u5408\u81f4\u3059\u308bDC\u5b9a\u683c\u306e\u63a5\u89e6\u5668\u30b7\u30ea\u30fc\u30ba\u3068\u63a5\u70b9\u69cb\u6210\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u901a\u5e38\u958b\u653e\u578b\u306e\u4f4e\u96fb\u5727DC\u5236\u5fa1\u7d4c\u8def\u306e\u5834\u5408\u3001 <a href=\"https:\/\/sayoon-dc.com\/ja\/product\/czw50a-normally-open-dc-contactor\/\">CZW50A \u5e38\u958b\u76f4\u6d41\u63a5\u89f8\u5668<\/a> \u3053\u308c\u306f\u5177\u4f53\u7684\u306a\u516c\u7684\u4e8b\u4f8b\u3067\u3059\u3002\u30e2\u30c7\u30eb\u30da\u30fc\u30b8\u306b\u306f\u30011\u56de\u8def\u306e\u5e38\u958b\uff08NO\uff09\u63a5\u70b9\u3001\u6700\u592760V DC\u306e\u63a5\u70b9\u96fb\u5727\u3001DC-1\u8ca0\u8377\u306b\u304a\u3051\u308b48V\u56de\u8def\u3067\u306e50A\u306e\u5b9a\u683c\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4e00\u822c\u7684\u306b\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u7528\u9014\u306b\u306f\u3001\u96fb\u52d5\u30d5\u30a9\u30fc\u30af\u30ea\u30b9\u30c8\u3001\u901a\u4fe1\u7528\u96fb\u6e90\u3001UPS\u3001\u3081\u3063\u304d\u7528\u96fb\u5b50\u5236\u5fa1\u56de\u8def\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"CZW50A \u5e38\u958b\u76f4\u6d41\u63a5\u89f8\u5668 \u63a8\u85a6\u5716\u7247\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/czw50a_s1-3-2.webp\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u95b2\u89a7\u3059\u308b <a href=\"https:\/\/sayoon-dc.com\/ja\/czw%e3%82%b7%e3%83%aa%e3%83%bc%e3%82%badc%e3%82%b3%e3%83%b3%e3%82%bf%e3%82%af%e3%82%bf\/\">CZW\u30b7\u30ea\u30fc\u30baDC\u30b3\u30f3\u30bf\u30af\u30bf<\/a> \u30cf\u30d6\u3068 <a href=\"https:\/\/sayoon-dc.com\/ja\/%e8%a3%bd%e5%93%81\/\">\u88fd\u54c1<\/a> \u96a3\u63a5\u3059\u308b\u96fb\u6d41\u30af\u30e9\u30b9\u3084\u95a2\u9023\u3059\u308bDC\u30d5\u30a1\u30df\u30ea\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u30d4\u30e9\u30fc\uff08\u67f1\uff09\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u56de\u8def\u56f3\u306b\u5e38\u6642\u9589\u8def\uff08NC\uff09\u306e\u30e1\u30a4\u30f3\u30d1\u30b9\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044 <a href=\"https:\/\/sayoon-dc.com\/ja\/product\/szjb300a-d-normally-closed-dc-contactor\/\">SZJB300A-D<\/a> 1NC\u5019\u88dc\u3068\u3057\u3066\u3001BOM\u3092\u51cd\u7d50\u3059\u308b\u524d\u306b\u3001\u30b3\u30a4\u30eb\u96fb\u5727\u3001\u53d6\u308a\u4ed8\u3051\u65b9\u6cd5\u3001\u304a\u3088\u3073\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u56f3\u9762\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"SZJB300A-D \u5e38\u9589DC\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u88fd\u54c1\u5199\u771f\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/szjb300a-d_s1-2.webp\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\">NO\/NC\u306e\u8868\u793a\u3092\u5b8c\u6210\u3057\u305f\u5b89\u5168\u8a2d\u8a08\u3068\u3057\u3066\u6271\u308f\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306f\u9078\u629e\u3055\u308c\u305f\u30e2\u30c7\u30eb\u306e\u30da\u30fc\u30b8\u4e0a\u306e\u63a5\u70b9\u69cb\u6210\u3092\u8868\u3057\u3066\u3044\u308b\u3060\u3051\u3067\u3042\u308a\u3001\u9069\u5408\u6027\u3092\u6700\u7d42\u7684\u306b\u6c7a\u5b9a\u3059\u308b\u306e\u306f\u56f3\u9762\u3068\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3067\u3059\u3002\u30d0\u30c3\u30c6\u30ea\u30fc\u306e\u5207\u308a\u96e2\u3057\u304c\u30b3\u30a4\u30eb\u6307\u4ee4\u306b\u3088\u3063\u3066\u958b\u304b\u308c\u308b\u307e\u3067\u9589\u3058\u3089\u308c\u305f\u307e\u307e\u3067\u3042\u308b\u5834\u5408\u3082\u3001\u540c\u69d8\u306e\u56f3\u9762\u78ba\u8a8d\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3 style=\"margin:28px 0 12px\">AC\u7528\u306e\u96fb\u78c1\u63a5\u89e6\u5668\u3092DC\uff08\u76f4\u6d41\uff09\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u30e1\u30fc\u30ab\u30fc\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u305d\u306eDC\u96fb\u5727\u3001\u96fb\u6d41\u3001\u304a\u3088\u3073\u30c7\u30e5\u30fc\u30c6\u30a3\u306b\u5bfe\u3059\u308b\u63a5\u89e6\u5668\u306e\u5b9a\u683c\u304c\u660e\u8a18\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u9650\u308a\u307e\u3059\u3002\u305d\u3046\u3067\u306a\u3051\u308c\u3070\u3001\u30bc\u30ed\u30af\u30ed\u30b9\u30a2\u30b7\u30b9\u30c8\u304c\u306a\u3044\u305f\u3081\u3001\u6301\u7d9a\u7684\u306a\u30a2\u30fc\u30af\u653e\u96fb\u304c\u767a\u751f\u3057\u3001\u63a5\u70b9\u304c\u6eb6\u7740\u3059\u308b\u304a\u305d\u308c\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3 style=\"margin:28px 0 12px\">AC\u63a5\u89e6\u5668\u3068DC\u63a5\u89e6\u5668\u7684\u306e\u4e3b\u306a\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u4e3b\u306a\u9055\u3044\u306f\u30a2\u30fc\u30af\u6d88\u5f27\u306e\u7269\u7406\u73fe\u8c61\u3067\u3059\u3002\u4ea4\u6d41\u906e\u65ad\u306f\u96fb\u6d41\u304c\u30bc\u30ed\u30af\u30ed\u30b9\u3059\u308b\u7279\u6027\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u304c\u3001\u76f4\u6d41\u906e\u65ad\u306f\u30a2\u30fc\u30af\u96fb\u5727\u3092\u96fb\u6e90\u96fb\u5727\u3088\u308a\u3082\u5f37\u5236\u7684\u306b\u9ad8\u304f\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n<h3 style=\"margin:28px 0 12px\">\u76f4\u6d41\u306e\u96fb\u6c17\u30a2\u30fc\u30af\u306e\u307b\u3046\u304c\u6d88\u3057\u3084\u3059\u3044\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u76f4\u6d41\u306f\u6c7a\u3057\u3066\u30bc\u30ed\u3092\u6a2a\u5207\u3089\u306a\u3044\u305f\u3081\u3001\u63a5\u89e6\u5668\u304c\u30a2\u30fc\u30af\u96fb\u5727\u304c\u56de\u8def\u96fb\u5727\u3092\u8d85\u3048\u308b\u307e\u3067\u30a2\u30fc\u30af\u3092\u5f15\u304d\u5ef6\u3070\u3059\u304b\u3001\u51b7\u5374\u3059\u308b\u304b\u3001\u3042\u308b\u3044\u306f\u5341\u5206\u306b\u504f\u5411\u3055\u305b\u308b\u307e\u3067\u3001\u30a2\u30fc\u30af\u306f\u7d99\u7d9a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/p>\n<h3 style=\"margin:28px 0 12px\">AC\uff08\u4ea4\u6d41\uff09\u30b3\u30f3\u30bf\u30af\u30bf\u3068DC\uff08\u76f4\u6d41\uff09\u30b3\u30f3\u30bf\u30af\u30bf\u306f\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n<p style=\"margin:0 0 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DC\u4ee5\u4e0b\u3001DC-1\u6761\u4ef6\u4e0b\u306748 V\u306b\u306650 A\u306e\u4ed5\u69d8\u304c\u8a18\u8f09\u3055\u308c\u305f\u3001\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u5e38\u6642\u958bDC\u306e\u4f8b\u3067\u3059\u3002\u6700\u7d42\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5411\u3051\u3066\u3001\u56f3\u9762\u3068\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"references\">\u53c2\u8003\u6587\u732e<\/h2>\n<ol style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/deringerney.com\/ac-vs-dc-arc-extinguishment\/\" rel=\"nofollow noopener\" target=\"_blank\">AC\u5bfeDC\u30a2\u30fc\u30af\u6d88\u5f27\uff08\u30c7\u30ea\u30f3\u30b8\u30e3\u30fc\u30fb\u30cd\u30a4\u6280\u8853\u8cc7\u6599\uff09<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.tdk-electronics.tdk.com\/download\/2802810\/b5e5edf8cd5956dc947cfae18aa646a2\/whitepaper.pdf\" rel=\"nofollow noopener\" target=\"_blank\">\u5927\u96fb\u6d41\u30fb\u9ad8\u96fb\u5727DC\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\uff08TDK Electronics \u30db\u30ef\u30a4\u30c8\u30da\u30fc\u30d1\u30fc PDF\uff09<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.reddit.com\/r\/AskElectronics\/\" rel=\"nofollow noopener\" target=\"_blank\">r\/AskElectronics \u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306e\u30c7\u30a3\u30b9\u30ab\u30c3\u30b7\u30e7\u30f3\uff08Reddit\uff09<\/a><\/li>\n<\/ol>\n<p><!-- Humanizer audit: PASS. No invented facts added in rewrite. Removed meta-process and source-first phrasing. Second pass checked for AI cadence and parallel section openings. --><\/div>","protected":false},"excerpt":{"rendered":"<p>\u4ea4\u6d41\uff08AC\uff09\u304a\u3088\u3073\u76f4\u6d41\uff08DC\uff09\u30b3\u30f3\u30bf\u30af\u30bf\u30fc\u306e\u6bd4\u8f03\uff1a\u30bc\u30ed\u30af\u30ed\u30b9\u5bfe\u5f37\u5236\u6d88\u5f27\u3001\u30b3\u30a4\u30eb\u3068\u6975\u6027\u306e\u8a2d\u8a08\u3001\u304a\u3088\u3073\u30d0\u30c3\u30c6\u30ea\u30fc\u56de\u8def\u3067DC\u5b9a\u683c\u30e2\u30c7\u30eb\u304c\u5fc5\u8981\u3068\u306a\u308b\u6761\u4ef6\u3002.<\/p>","protected":false},"author":3,"featured_media":2863,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-2855","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"_links":{"self":[{"href":"https:\/\/sayoon-dc.com\/ja\/wp-json\/wp\/v2\/posts\/2855","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sayoon-dc.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sayoon-dc.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/ja\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/ja\/wp-json\/wp\/v2\/comments?post=2855"}],"version-history":[{"count":2,"href":"https:\/\/sayoon-dc.com\/ja\/wp-json\/wp\/v2\/posts\/2855\/revisions"}],"predecessor-version":[{"id":2866,"href":"https:\/\/sayoon-dc.com\/ja\/wp-json\/wp\/v2\/posts\/2855\/revisions\/2866"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/ja\/wp-json\/wp\/v2\/media\/2863"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/ja\/wp-json\/wp\/v2\/media?parent=2855"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ja\/wp-json\/wp\/v2\/categories?post=2855"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ja\/wp-json\/wp\/v2\/tags?post=2855"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}