{"id":2427,"date":"2026-01-20T02:10:37","date_gmt":"2026-01-20T02:10:37","guid":{"rendered":"https:\/\/cnkuangya.com\/?p=2427"},"modified":"2026-04-24T15:32:44","modified_gmt":"2026-04-24T07:32:44","slug":"type-b-rcbo-why-does-my-ev-charger-keep-tripping","status":"publish","type":"post","link":"https:\/\/cnkuangya.com\/ja\/blog\/type-b-rcbo-why-does-my-ev-charger-keep-tripping\/","title":{"rendered":"\u30bf\u30a4\u30d7B RCBO  \u300cEV\u5145\u96fb\u5668\u304c\u30c8\u30ea\u30c3\u30d7\u3057\u7d9a\u3051\u308b\u306e\u306f\u306a\u305c\uff1f\u201c"},"content":{"rendered":"<h1 class=\"wp-block-heading\"><strong>\u30bf\u30a4\u30d7B RCBO\uff1a\u5b89\u5168\u306aEV\u5145\u96fb\u5668\u8a2d\u7f6e\u306b\u4e0d\u53ef\u6b20\u306a\u4fdd\u8b77\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/strong><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>The Real-World Problem: &#8220;Why Does My EV Charger Keep Tripping?&#8221;<\/strong><\/h2>\n\n\n\n<p><strong>\u30b7\u30ca\u30ea\u30aa<\/strong>&nbsp;\u30c6\u30b9\u30e9\u306e\u65b0\u3057\u3044\u30aa\u30fc\u30ca\u30fc\u3067\u3042\u308b\u30de\u30a4\u30b1\u30eb\u306f\u3001\u5148\u67087kW\u306e\u5bb6\u5ead\u7528\u5145\u96fb\u30b9\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u8a2d\u7f6e\u3057\u305f\u3002\u5f53\u521d\u306f\u3059\u3079\u3066\u5b8c\u74a7\u306b\u52d5\u4f5c\u3057\u3066\u3044\u305f\u3002\u3057\u304b\u30572\u9031\u9593\u5f8c\u3001\u5f7c\u306e\u30ac\u30ec\u30fc\u30b8\u306eRCBO\u304c\u5145\u96fb\u30bb\u30c3\u30b7\u30e7\u30f3\u4e2d\u306b\u30e9\u30f3\u30c0\u30e0\u306b\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002\u5f7c\u306e\u96fb\u6c17\u6280\u5e2b\u306fRCBO\u30922\u56de\u4ea4\u63db\u3057\u3001\u3059\u3079\u3066\u306e\u63a5\u7d9a\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u5145\u96fb\u5668\u3068\u8eca\u4e21\u304c\u6b63\u5e38\u306b\u6a5f\u80fd\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u554f\u984c\u306f\u89e3\u6c7a\u3057\u306a\u304b\u3063\u305f\u3002.<\/p>\n\n\n\n<p><strong>\u8a3a\u65ad\uff08cnkuangya\u30b7\u30cb\u30a2\u30a8\u30f3\u30b8\u30cb\u30a2\u5f35\u5049\u306b\u3088\u308b\uff09\uff1a<\/strong><br>&#8220;This is one of the most common issues we see with modern EV installations. The problem isn&#8217;t faulty equipment\u2014it&#8217;s&nbsp;<strong>\u4e92\u63db\u6027\u306e\u306a\u3044\u4fdd\u8b77\u6280\u8853<\/strong>. Standard Type A RCBOs cannot properly handle the DC residual currents generated by EV chargers. These DC components &#8216;blind&#8217; the protection device, causing either nuisance tripping or, worse, failure to trip during actual faults.&#8221;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u30d1\u30fc\u30c81\uff1aEV\u5145\u96fb\u5668\u306b\u7279\u5225\u306a\u4fdd\u8b77\u304c\u5fc5\u8981\u306a\u7406\u7531<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6280\u8853\u7684\u8ab2\u984c<\/strong><\/h3>\n\n\n\n<p>EV\u5145\u96fb\u5668\u306f\u3001AC\u7cfb\u7d71\u96fb\u529b\u3092\u30d0\u30c3\u30c6\u30ea\u30fc\u5145\u96fb\u7528\u306eDC\u306b\u5909\u63db\u3059\u308b\u3002\u3053\u306e\u5909\u63db\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u5fc5\u7136\u7684\u306b\u751f\u3058\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u76f4\u6d41\u6f0f\u308c\u96fb\u6d41<\/strong>\u00a0\u534a\u5c0e\u4f53\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u304b\u3089<\/li>\n\n\n\n<li><strong>\u9ad8\u5468\u6ce2\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/strong>\u00a0\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u5468\u6ce2\u6570\uff08\u901a\u5e3820\uff5e100kHz\uff09\u304b\u3089<\/li>\n\n\n\n<li><strong>\u30b9\u30e0\u30fc\u30ba\u306a\u76f4\u6d41\u969c\u5bb3<\/strong>\u00a0\u5f93\u6765\u306e\u6f0f\u96fb\u906e\u65ad\u5668\u3067\u306f\u691c\u77e5\u3067\u304d\u306a\u3044<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5b89\u5168\u6027\u306e\u30ae\u30e3\u30c3\u30d7<\/strong><\/h3>\n\n\n\n<p>\u6a19\u6e96\u7684\u306a\u30bf\u30a4\u30d7A RCBO\u306f\u691c\u51fa\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AC\u6b63\u5f26\u6ce2\u6b8b\u7559\u96fb\u6d41\u2713 \uff08\u4ea4\u6d41\u6b63\u5f26\u6ce2\u6b8b\u7559\u96fb\u6d41<\/li>\n\n\n\n<li>\u8108\u52d5\u3059\u308b\u76f4\u6d41\u96fb\u6d41\uff08\u6700\u5927 6mA\uff09 \u26a0\ufe0f \u6a5f\u80fd\u306b\u5236\u9650\u3042\u308a<\/li>\n\n\n\n<li>\u5e73\u6ed1\u306a\u76f4\u6d41\u96fb\u6d41 \u2717 \u2717 \u2717 \u2717 \u76f4\u6d41\u96fb\u6d41\u00a0<strong>\u691c\u51fa\u3067\u304d\u306a\u3044<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>\u30ea\u30b9\u30af\u30b7\u30ca\u30ea\u30aa<\/strong>&nbsp;\u5145\u96fb\u30b1\u30fc\u30d6\u30eb\u306b\u76f4\u6d41\u7d76\u7e01\u4e0d\u826f\u304c\u767a\u751f\u3002\u30bf\u30a4\u30d7 A \u306e RCBO \u306f\u5207\u65ad\u306b\u5931\u6557\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7d99\u7d9a\u7684\u306a\u30a2\u30fc\u30af\u653e\u96fb\u3068\u767a\u71b1<\/li>\n\n\n\n<li>\u6f5c\u5728\u7684\u306a\u706b\u707d\u306e\u5371\u967a\u6027<\/li>\n\n\n\n<li>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u4e2d\u306e\u611f\u96fb\u306e\u5371\u967a\u6027<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u898f\u5236\u306e\u5fc5\u8981\u6027<\/strong><\/h3>\n\n\n\n<p>\u6700\u65b0\u306e\u898f\u683c\u3067\u306f\u3001\u4fdd\u8b77\u5f37\u5316\u304c\u7fa9\u52d9\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IEC 62955\uff1a<\/strong>\u00a0EV\u4f9b\u7d66\u88c5\u7f6e\u306bDC 6mA\u691c\u51fa\u304c\u5fc5\u8981<\/li>\n\n\n\n<li><strong>IEC 60364-7-722\uff1a<\/strong>\u00a0EV\u5145\u96fb\u5668\u306b\u5bfe\u3059\u308b\u30bf\u30a4\u30d7B\u6f0f\u96fb\u906e\u65ad\u5668\u306e\u8981\u4ef6\u3092\u898f\u5b9a<\/li>\n\n\n\n<li><strong>\u7c73\u56fd\u96fb\u6c17\u5de5\u4e8b\u898f\u5b9a\uff08NEC\uff09\u7b2c625\u6761\uff1a<\/strong>\u00a0EV\u4f9b\u7d66\u88c5\u7f6e\u306e\u4fdd\u8b77\u8981\u4ef6<\/li>\n<\/ul>\n\n\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u30d1\u30fc\u30c82\uff1a <a href=\"https:\/\/cnkuangya.com\/ja\/rcbo\/\">\u30bf\u30a4\u30d7B RCBO<\/a> \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u30fb\u30c7\u30a3\u30fc\u30d7\u30fb\u30c0\u30a4\u30d6<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30bf\u30a4\u30d7B\u306eRCBO\u306f\u3069\u3046\u9055\u3046\u306e\u304b\uff1f<\/strong><\/h3>\n\n\n\n<p>\u30bf\u30a4\u30d7B\u306eRCBO\u306f\u3001\u691c\u77e5\u3059\u308b\u305f\u3081\u306e\u9ad8\u5ea6\u306a\u691c\u77e5\u6280\u8853\u3092\u7d44\u307f\u8fbc\u3093\u3067\u3044\u308b\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>AC\u6b8b\u7559\u96fb\u6d41<\/strong>\u00a0(1kHz\u307e\u3067\u306e\u5168\u5468\u6ce2\u6570)<\/li>\n\n\n\n<li><strong>\u8108\u52d5\u3059\u308b\u76f4\u6d41\u96fb\u6d41<\/strong>\u00a0(\u30d5\u30eb\u30ec\u30f3\u30b8\u30016mA\u306b\u9650\u5b9a\u3055\u308c\u306a\u3044\uff09<\/li>\n\n\n\n<li><strong>\u30b9\u30e0\u30fc\u30ba\u306a\u76f4\u6d41\u969c\u5bb3\u96fb\u6d41<\/strong>\u00a0(0Hz\u4ee5\u4e0a\uff09<\/li>\n<\/ol>\n\n\n\n<p><strong>cnkuangya Engineering Insight\uff1a<\/strong><br>&#8220;Our Type B devices use a&nbsp;<strong>\u30de\u30eb\u30c1\u5468\u6ce2\u6570\u30bb\u30f3\u30b7\u30f3\u30b0\u30b3\u30a2<\/strong>&nbsp;combined with digital signal processing. This allows us to distinguish between harmless charger operation currents and dangerous fault currents, dramatically reducing nuisance tripping.&#8221;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4e3b\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u7279\u6027<\/strong><\/h3>\n\n\n\n<p><strong>\u88681\uff1a\u4fdd\u8b77\u80fd\u529b\u306e\u6bd4\u8f03<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u6545\u969c\u306e\u7a2e\u985e<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u30bf\u30a4\u30d7A RCBO<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u30bf\u30a4\u30d7B RCBO<\/th><th class=\"has-text-align-left\" data-align=\"left\">EV\u5145\u96fb\u5668\u306e\u95a2\u9023\u6027<\/th><\/tr><\/thead><tbody><tr><td>AC\u6b63\u5f26\u6ce2<\/td><td>\u5b8c\u5168\u691c\u51fa<\/td><td>\u5b8c\u5168\u691c\u51fa<\/td><td>\u30b0\u30ea\u30c3\u30c9\u5074\u6545\u969c<\/td><\/tr><tr><td>\u8108\u52d5\u3059\u308bDC<\/td><td>\u5236\u9650\u3042\u308a\uff086mA\u672a\u6e80\uff09<\/td><td>\u5b8c\u5168\u691c\u51fa<\/td><td>\u6574\u6d41\u5668\u6545\u969c<\/td><\/tr><tr><td>\u30b9\u30e0\u30fc\u30baDC<\/td><td><strong>\u691c\u51fa\u305b\u305a<\/strong><\/td><td><strong>\u5b8c\u5168\u691c\u51fa<\/strong><\/td><td><strong>EV\u306b\u3068\u3063\u3066\u91cd\u8981<\/strong><\/td><\/tr><tr><td>\u6df7\u5408\u5468\u6ce2\u6570<\/td><td>\u30d1\u30fc\u30b7\u30e3\u30eb<\/td><td>\u30d5\u30eb\uff080\uff5e1kHz\uff09<\/td><td>\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u9ad8\u8abf\u6ce2<\/td><\/tr><tr><td>\u5fdc\u7b54\u6642\u9593<\/td><td>\u6700\u5927300ms<\/td><td>150ms \u6a19\u6e96<\/td><td>\u3088\u308a\u901f\u3044\u4fdd\u8b77<\/td><\/tr><tr><td>\u76f4\u6d41\u306b\u5bfe\u3059\u308b\u514d\u75ab<\/td><td>\u8ca7\u3057\u3044<\/td><td>\u9ad8\u3044<\/td><td>\u8ff7\u60d1\u306a\u65c5\u884c\u3092\u6e1b\u3089\u3059<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Part 3: cnkuangya Engineer&#8217;s Installation Solution<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30b9\u30c6\u30c3\u30d7\u30fb\u30d0\u30a4\u30fb\u30b9\u30c6\u30c3\u30d7\u9078\u629e\u30ac\u30a4\u30c9<\/strong><\/h3>\n\n\n\n<p><strong>\u30b9\u30c6\u30c3\u30d71\uff1a\u5145\u96fb\u5668\u306e\u8981\u4ef6\u3092\u6c7a\u5b9a\u3059\u308b<\/strong><\/p>\n\n\n\n<p><strong>\u88682\uff1aEV\u5145\u96fb\u5668\u306e\u96fb\u529b\u3068\u4fdd\u8b77\u8981\u4ef6\u306e\u6bd4\u8f03<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u5145\u96fb\u5668\u96fb\u6e90<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u96fb\u5727<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u6700\u5927\u96fb\u6d41<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u63a8\u5968RCBO<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u4ee3\u8868\u7684\u306a\u8eca\u4e21<\/th><\/tr><\/thead><tbody><tr><td>3.7kW\uff08\u30b9\u30ed\u30fc\uff09<\/td><td>230V 1\u03a6<\/td><td>16A<\/td><td>CNK-BRCBO-16<\/td><td>PHEV\u3001\u5c0f\u578bEV<\/td><\/tr><tr><td>7.4kW\uff08\u9ad8\u901f\uff09<\/td><td>230V 1\u03a6<\/td><td>32A<\/td><td>CNK-BRCBO-32<\/td><td>\u307b\u3068\u3093\u3069\u306eBEV<\/td><\/tr><tr><td>11kW\uff08\u30e9\u30d4\u30c3\u30c9\uff09<\/td><td>400V 3\u03a6<\/td><td>16A<\/td><td>CNK-BRCBO-16\/3P<\/td><td>\u30d7\u30ec\u30df\u30a2\u30e0EV<\/td><\/tr><tr><td>22kW (Rapid+)<\/td><td>400V 3\u03a6<\/td><td>32A<\/td><td>CNC-BRCBO-32\/3P\uff5c\u96fb\u5b50\u66f8\u7c4d\u3067\u6f2b\u753b(\u30de\u30f3\u30ac)\u3092\u8aad\u3080\u306a\u3089\u30b3\u30df\u30c3\u30af.jp<\/td><td>\u5546\u7528\u30d5\u30ea\u30fc\u30c8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u30b9\u30c6\u30c3\u30d7 2: \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u5834\u6240<\/strong>\u00a0EVSE\uff08EV\u4f9b\u7d66\u8a2d\u5099\uff09\u304b\u30893m\u4ee5\u5185\u306b\u8a2d\u7f6e\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u74b0\u5883\uff1a<\/strong>\u00a0\u8eca\u5eab\/\u5c4b\u5916\u8a2d\u7f6e\u7528IP65\u7b49\u7d1a<\/li>\n\n\n\n<li><strong>\u914d\u7dda\uff1a<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u6700\u4f4e10mm\u00b2\u306e\u9285\u7dda\uff0832A\u56de\u8def\u7528<\/li>\n\n\n\n<li>\u5145\u96fb\u5668\u3078\u306e\u5c02\u7528\u30a2\u30fc\u30b9\u63a5\u7d9a<\/li>\n\n\n\n<li>\u4e0a\u6d41\u306e\u30b5\u30fc\u30b8\u4fdd\u8b77\uff08\u30bf\u30a4\u30d7 2 \u8a2d\u7f6e\u7528\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p><strong>\u30b9\u30c6\u30c3\u30d73\uff1a\u8a66\u904b\u8ee2\u30c6\u30b9\u30c8<\/strong><br>\u5f53\u793e\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u63a8\u85a6\u3059\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30c6\u30b9\u30c81\uff1a<\/strong>\u00a0RCBO\u30c6\u30b9\u30c8\u30dc\u30bf\u30f3\u691c\u8a3c\uff08\u6bce\u6708\uff09<\/li>\n\n\n\n<li><strong>\u30c6\u30b9\u30c82\uff1a<\/strong>\u00a0DC\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u6a5f\u80fd\u4ed8\u304d\u30dd\u30fc\u30bf\u30d6\u30eb\u6f0f\u96fb\u906e\u65ad\u5668\u30c6\u30b9\u30bf\u30fc<\/li>\n\n\n\n<li><strong>\u30c6\u30b9\u30c83\uff1a<\/strong>\u00a0\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u88c5\u7f6e\u306b\u3088\u308b\u5b9f\u969b\u306e\u5145\u96fb\u30c6\u30b9\u30c8<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u30d1\u30fc\u30c84\uff1acnkuangya <a href=\"https:\/\/cnkuangya.com\/ja\/rcbo\/\">\u30bf\u30a4\u30d7B RCBO<\/a> \u88fd\u54c1\u7bc4\u56f2<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>EV\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u7279\u5316\u3057\u305f\u8a2d\u8a08<\/strong><\/h3>\n\n\n\n<p><strong>\u88683\uff1acnkuangya \u30bf\u30a4\u30d7B RCBO \u88fd\u54c1\u4ed5\u69d8<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u30e2\u30c7\u30eb<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u73fe\u5728\u306e\u8a55\u4fa1<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u30dd\u30fc\u30eb<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u30c8\u30ea\u30c3\u30d7\u611f\u5ea6<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u7279\u96c6<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/th><\/tr><\/thead><tbody><tr><td>CNK-BRCBO-16<\/td><td>16A<\/td><td>2P<\/td><td>30mA<\/td><td>\u904e\u96fb\u5727\u4fdd\u8b77<\/td><td>\u5bb6\u5ead\u75283.7kW\u5145\u96fb\u5668<\/td><\/tr><tr><td>CNK-BRCBO-32<\/td><td>32A<\/td><td>2P<\/td><td>30mA<\/td><td>\u30b5\u30fc\u30de\u30eb\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/td><td>\u5bb6\u5ead\u75287kW\u5145\u96fb\u5668<\/td><\/tr><tr><td>CNK-BRCBO-16\/3P<\/td><td>16A<\/td><td>4P<\/td><td>30mA<\/td><td>\u4f4d\u76f8\u30ed\u30b9\u691c\u51fa<\/td><td>\u5546\u696d\u752811kW<\/td><\/tr><tr><td>CNC-BRCBO-32\/3P\uff5c\u96fb\u5b50\u66f8\u7c4d\u3067\u6f2b\u753b(\u30de\u30f3\u30ac)\u3092\u8aad\u3080\u306a\u3089\u30b3\u30df\u30c3\u30af.jp<\/td><td>32A<\/td><td>4P<\/td><td>30mA<\/td><td>\u8ca0\u8377\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0<\/td><td>\u30d5\u30ea\u30fc\u30c8\u30c1\u30e3\u30fc\u30b8<\/td><\/tr><tr><td>CNC-BRCBO-40\/3P<\/td><td>40A<\/td><td>4P<\/td><td>30mA<\/td><td>\u9060\u9694\u76e3\u8996<\/td><td>\u8d85\u9ad8\u901f\u5145\u96fb\u5668<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u512a\u4f4d\u6027\uff1a<\/strong><br>&#8220;Our devices incorporate&nbsp;<strong>\u9069\u5fdc\u3057\u304d\u3044\u5024\u6280\u8853<\/strong>&nbsp;that learns normal charger operation patterns, further reducing false trips while maintaining protective sensitivity.&#8221;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u30d1\u30fc\u30c85\uff1a\u3088\u304f\u3042\u308b\u554f\u984c\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u554f\u984c\u89e3\u6c7a\u30da\u30a2<\/strong><\/h3>\n\n\n\n<p><strong>\u554f\u984c\u3060\uff1a<\/strong>&nbsp;\u5145\u96fb\u958b\u59cb\u6642\u306bRCBO\u304c\u5373\u5ea7\u306b\u30c8\u30ea\u30c3\u30d7<br><strong>\u89e3\u6c7a\u7b56<\/strong>&nbsp;\u4e0d\u9069\u5207\u306a\u914d\u7dda\u3084\u6a5f\u5668\u306e\u63a5\u5730\u4e0d\u826f\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b<\/p>\n\n\n\n<p><strong>\u554f\u984c\u3060\uff1a<\/strong>&nbsp;30\u5206\u4ee5\u4e0a\u7d4c\u904e\u5f8c\u306b\u65ad\u7d9a\u7684\u306b\u30c8\u30ea\u30c3\u30d7<br><strong>\u89e3\u6c7a\u7b56<\/strong>&nbsp;\u5c0e\u4f53\u306e\u30b5\u30a4\u30ba\u3068\u63a5\u7d9a\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n\n\n\n<p><strong>\u554f\u984c\u3060\uff1a<\/strong>&nbsp;\u65e2\u77e5\u306e\u6545\u969c\u72b6\u614b\u306e\u9593\u306f\u30c8\u30ea\u30c3\u30d7\u3057\u306a\u3044<br><strong>\u89e3\u6c7a\u7b56<\/strong>&nbsp;\u30bf\u30a4\u30d7B\u30c6\u30b9\u30bf\u30fc\u3067\u30c6\u30b9\u30c8\u3057\u3001\u76f4\u6d41\u691c\u51fa\u306b\u5931\u6557\u3057\u305f\u5834\u5408\u306f\u4ea4\u63db\u3059\u308b\u3002<\/p>\n\n\n\n<p><strong>\u554f\u984c\u3060\uff1a<\/strong>&nbsp;\u5145\u96fb\u5668\u306f\u4f5c\u52d5\u3059\u308b\u304c\u3001RCBO\u30c6\u30b9\u30c8\u30dc\u30bf\u30f3\u304c\u6545\u969c<br><strong>\u89e3\u6c7a\u7b56<\/strong>&nbsp;\u5185\u90e8\u6a5f\u69cb\u306e\u6545\u969c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>FAQ\u30bb\u30af\u30b7\u30e7\u30f3<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Q1: \u76f4\u6d41\u906e\u65ad\u88c5\u7f6e\u3092\u8ffd\u52a0\u3059\u308c\u3070\u3001EV\u5145\u96fb\u5668\u306b\u901a\u5e38\u306eRCBO\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n\n<p><strong>A:<\/strong>&nbsp;While DC-blocking filters can help, they&#8217;re not recognized as a complete solution by IEC 62955. Type B RCBOs remain the only fully compliant option for new installations after 2017. Retrofit installations may use Type A with filters, but this doesn&#8217;t provide equivalent protection.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Q2: \u30bf\u30a4\u30d7B\u306e\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u306f\u3069\u306e\u304f\u3089\u3044\u9ad8\u3044\u306e\u3067\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n\n<p><strong>A:<\/strong>&nbsp;\u30bf\u30a4\u30d7B\u306eRCBO\u306f\u901a\u5e38\u3001\u30bf\u30a4\u30d7A\u306e\u540c\u7b49\u54c1\u3088\u308a40\uff5e60%\u9ad8\u3044\u3002\u3057\u304b\u3057<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8ff7\u60d1\u30c8\u30ea\u30c3\u30d7\u306b\u3088\u308b\u30b5\u30fc\u30d3\u30b9\u30b3\u30fc\u30eb\u306e\u6392\u9664\uff081\u56de\u3042\u305f\u308a$150\uff5e300\u5186\uff09<\/li>\n\n\n\n<li>\u4fdd\u967a\u8981\u4ef6\u306e\u9075\u5b88<\/li>\n\n\n\n<li>\u6b21\u4e16\u4ee3\u5145\u96fb\u5668\u306e\u5c06\u6765\u6027<br>\u3053\u306e\u8ffd\u52a0\u6295\u8cc7\u306f\u3001\u5e38\u8a2d\u306e\u5834\u5408\u306f\u6b63\u5f53\u5316\u3055\u308c\u308b\u3002.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Q3: My existing Type A RCBO hasn&#8217;t tripped in 2 years. Do I really need to upgrade?<\/strong><\/h3>\n\n\n\n<p><strong>A:<\/strong>&nbsp;Lack of tripping doesn&#8217;t indicate adequate protection. Type A devices may not detect developing DC faults until they become severe. We recommend testing with a Type B tester annually. Many electrical authorities now require Type B for all new EV charger installations.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Q4\uff1a\u30bf\u30a4\u30d7B\u306eRCBO\u306b\u306f\u7570\u306a\u308b\u611f\u5ea6\u30ec\u30d9\u30eb\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n\n<p><strong>A:<\/strong>&nbsp;\u306f\u3044\u3002\u500b\u4eba\u4fdd\u8b77\u3067\u306f30mA\u304c\u6a19\u6e96\u3067\u3059\u304c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u306f30mA\u3092\u4f7f\u7528\u3059\u308b\u3082\u306e\u3082\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6a5f\u5668\u4fdd\u8b77\u306e\u307f100mA<\/li>\n\n\n\n<li>\u4e0a\u6d41\u4fdd\u8b77\u7528300mA<\/li>\n\n\n\n<li>\u7279\u6b8a\u7528\u9014\uff08\u533b\u7642\u7b49\uff09\u752810mA<\/li>\n<\/ul>\n\n\n\n<p>EV\u5145\u96fb\u5668\u306e\u5834\u5408\u300130mA\u306e\u30bf\u30a4\u30d7B\u304c\u500b\u4eba\u4fdd\u8b77\u3068\u8ff7\u60d1\u30c8\u30ea\u30c3\u30d7\u56de\u907f\u306e\u6700\u9069\u306a\u30d0\u30e9\u30f3\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Q5: \u30bf\u30a4\u30d7B\u306eRCBO\u304c\u6b63\u5e38\u306b\u4f5c\u52d5\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c6\u30b9\u30c8\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n\n<p><strong>A:<\/strong>&nbsp;3\u6bb5\u968e\u306e\u30c6\u30b9\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u6bce\u6708\u3060\uff1a<\/strong>\u00a0\u6a5f\u5668\u306e\u30c6\u30b9\u30c8\u30dc\u30bf\u30f3\u3092\u62bc\u3059<\/li>\n\n\n\n<li><strong>\u6bce\u5e74\uff1a<\/strong>\u00a0\u30dd\u30fc\u30bf\u30d6\u30ebB\u30bf\u30a4\u30d7\u6f0f\u96fb\u906e\u65ad\u5668\u30c6\u30b9\u30bf\u30fc\u3092\u4f7f\u7528\u3059\u308b<\/li>\n\n\n\n<li><strong>3\u5e74\u3054\u3068\uff1a<\/strong>\u00a0\u6709\u8cc7\u683c\u306e\u96fb\u6c17\u6280\u5e2b\u306b\u3088\u308b\u7dcf\u5408\u30c6\u30b9\u30c8\uff1a\n<ul class=\"wp-block-list\">\n<li>AC\u30c6\u30b9\u30c8\u96fb\u6d41<\/li>\n\n\n\n<li>\u76f4\u6d41\u8a66\u9a13\u96fb\u6d41<\/li>\n\n\n\n<li>\u6df7\u5408\u5468\u6ce2\u6570\u30c6\u30b9\u30c8<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Q6: \u30bf\u30a4\u30d7B\u306eRCBO\u306f\u4ed6\u306e\u7528\u9014\u306b\u3082\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n\n<p><strong>A:<\/strong>&nbsp;\u3082\u3061\u308d\u3093\u3067\u3059\u3002\u30bf\u30a4\u30d7B\u306e\u6a5f\u5668\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u5408\u306b\u3082\u63a8\u5968\u3055\u308c\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0\uff08\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u304c\u540c\u69d8\u306e\u76f4\u6d41\u96fb\u6d41\u3092\u4f5c\u308b\uff09<\/li>\n\n\n\n<li>\u53ef\u5909\u901f\u30c9\u30e9\u30a4\u30d6<\/li>\n\n\n\n<li>\u533b\u7642\u6a5f\u5668<\/li>\n\n\n\n<li>\u7523\u696d\u7528\u6574\u6d41\u56de\u8def<\/li>\n\n\n\n<li>UPS\u304a\u3088\u3073\u30d0\u30c3\u30c6\u30ea\u30fc\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30b7\u30b9\u30c6\u30e0<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7d50\u8ad6<\/strong><\/h2>\n\n\n\n<p><strong>cnkuangya\u30b7\u30cb\u30a2\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30c1\u30e3\u30f3\u30fb\u30a6\u30a7\u30a4\u3088\u308a\uff1a<\/strong><br>&#8220;The transition to Type B protection isn&#8217;t just about compliance\u2014it&#8217;s about recognizing that EV charging technology has fundamentally changed electrical safety requirements. The DC components present in every charging cycle demand protection technology that can see the full spectrum of fault currents. Investing in proper Type B protection today prevents safety compromises tomorrow.&#8221;<\/p>\n\n\n\n<p><strong>\u884c\u52d5\u3078\u306e\u547c\u3073\u304b\u3051\uff1a<\/strong><br>Contact cnkuangya&#8217;s technical team for a free EV charger protection assessment. Our engineers can:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\u65e2\u5b58\u8a2d\u5099\u306e\u8a55\u4fa1<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30bf\u30a4\u30d7B\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u6848\u3059\u308b<\/li>\n\n\n\n<li>\u5730\u57df\u7279\u6709\u306e\u8a2d\u7f6e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u63d0\u4f9b<\/li>\n\n\n\n<li>\u30d5\u30ea\u30fc\u30c8\u30fb\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u5411\u3051\u306b\u30d0\u30eb\u30af\u4fa1\u683c\u3092\u63d0\u4f9b<\/li>\n<\/ol>\n\n\n\n<p><strong>\u30ea\u30bd\u30fc\u30b9<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Download our &#8220;EV Charger Protection Checklist&#8221;<\/li>\n\n\n\n<li>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30fb\u30d3\u30c7\u30aa\u30fb\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u898b\u308b<\/li>\n\n\n\n<li>IEC\u898f\u683c\u6982\u8981\u3078\u306e\u30a2\u30af\u30bb\u30b9<\/li>\n\n\n\n<li>\u51fa\u5f35\u76f8\u8ac7\u306e\u304a\u7533\u3057\u8fbc\u307f\uff08\u6cd5\u4eba\u306e\u304a\u5ba2\u69d8\uff09<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"687\" height=\"1024\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-687x1024.jpg\" alt=\"\u30c1\u30f3\u30af\u30a2\u30f3\u30e4\" class=\"wp-image-2259\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-687x1024.jpg 687w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-201x300.jpg 201w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-768x1145.jpg 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-1030x1536.jpg 1030w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-1374x2048.jpg 1374w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-8x12.jpg 8w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-300x447.jpg 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-600x894.jpg 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626.jpg 1696w\" sizes=\"auto, (max-width: 687px) 100vw, 687px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>Type B RCBO: The Essential Protection Solution for Safe EV Charger Installations The Real-World Problem: &#8220;Why Does My EV Charger Keep Tripping?&#8221; Scenario:&nbsp;Michael, a new Tesla owner, installed a 7kW home charging station last month. Initially, everything worked perfectly. However, after two weeks, his garage RCBO started tripping randomly during charging sessions\u2014sometimes after 30 minutes, sometimes after 3 hours. His electrician replaced the RCBO twice, checked all connections, and confirmed the charger and vehicle were functioning normally. Yet the problem persisted. The Diagnosis (by cnkuangya Senior Engineer Zhang Wei):&#8220;This is one of the most common issues we see with modern EV installations. The problem isn&#8217;t faulty equipment\u2014it&#8217;s&nbsp;incompatible protection technology. Standard [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56],"tags":[],"class_list":["post-2427","post","type-post","status-publish","format-standard","hentry","category-rcbo-overcurrent-protection"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/posts\/2427","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/comments?post=2427"}],"version-history":[{"count":3,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/posts\/2427\/revisions"}],"predecessor-version":[{"id":2438,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/posts\/2427\/revisions\/2438"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/media?parent=2427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/categories?post=2427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/tags?post=2427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}