{"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\/ko\/blog\/type-b-rcbo-why-does-my-ev-charger-keep-tripping\/","title":{"rendered":"\uc720\ud615 B RCBO:  \u201c\uc804\uae30\ucc28 \ucda9\uc804\uae30\uac00 \uacc4\uc18d \ud2b8\ub9bd\ub418\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694?\u201d"},"content":{"rendered":"<h1 class=\"wp-block-heading\"><strong>\ud0c0\uc785 B RCBO: \uc548\uc804\ud55c EV \ucda9\uc804\uae30 \uc124\uce58\ub97c \uc704\ud55c \ud544\uc218 \ubcf4\ud638 \uc194\ub8e8\uc158<\/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>\uc2dc\ub098\ub9ac\uc624:<\/strong>&nbsp;Tesla\uc758 \uc0c8 \uc18c\uc720\uc790\uc778 Michael\uc740 \uc9c0\ub09c\ub2ec\uc5d0 7kW \uac00\uc815\uc6a9 \ucda9\uc804\uc18c\ub97c \uc124\uce58\ud588\uc2b5\ub2c8\ub2e4. \ucc98\uc74c\uc5d0\ub294 \ubaa8\ub4e0 \uac83\uc774 \uc644\ubcbd\ud558\uac8c \uc791\ub3d9\ud588\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc 2\uc8fc \ud6c4\ubd80\ud130 \ucda9\uc804 \uc138\uc158 \uc911\uc5d0 \ucc28\uace0 RCBO\uac00 \ubb34\uc791\uc704\ub85c \ud2b8\ub9bd\ub418\uae30 \uc2dc\uc791\ud588\uc2b5\ub2c8\ub2e4(\ub54c\ub85c\ub294 30\ubd84 \ud6c4, \ub54c\ub85c\ub294 3\uc2dc\uac04 \ud6c4). \uc804\uae30 \uae30\uc220\uc790\ub294 RCBO\ub97c \ub450 \ubc88 \uad50\uccb4\ud558\uace0 \ubaa8\ub4e0 \uc5f0\uacb0\ubd80\ub97c \uc810\uac80\ud55c \ud6c4 \ucda9\uc804\uae30\uc640 \ucc28\ub7c9\uc774 \uc815\uc0c1\uc801\uc73c\ub85c \uc791\ub3d9\ud558\ub294\uc9c0 \ud655\uc778\ud588\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ubb38\uc81c\ub294 \uacc4\uc18d\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\uc9c4\ub2e8(cnkuangya \uc120\uc784 \uc5d4\uc9c0\ub2c8\uc5b4 \uc7a5 \uc6e8\uc774 \uc791\uc131):<\/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>\ud638\ud658\ub418\uc9c0 \uc54a\ub294 \ubcf4\ud638 \uae30\uc220<\/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>1\ubd80: 1\ubd80: \uc804\uae30\ucc28 \ucda9\uc804\uae30\uc5d0 \ud2b9\ubcc4\ud55c \ubcf4\ud638\uac00 \ud544\uc694\ud55c \uc774\uc720<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\uae30\uc220\uc801 \uacfc\uc81c<\/strong><\/h3>\n\n\n\n<p>EV \ucda9\uc804\uae30\ub294 \ubc30\ud130\ub9ac \ucda9\uc804\uc744 \uc704\ud574 AC \uadf8\ub9ac\ub4dc \uc804\uc6d0\uc744 DC\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc774 \ubcc0\ud658 \uacfc\uc815\uc5d0\uc11c \ud544\uc5f0\uc801\uc73c\ub85c \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c\uac00 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DC \ub204\uc124 \uc804\ub958<\/strong>\u00a0\ubc18\ub3c4\uccb4 \uc2a4\uc704\uce6d\uc5d0\uc11c<\/li>\n\n\n\n<li><strong>\uace0\uc8fc\ud30c \uad6c\uc131 \uc694\uc18c<\/strong>\u00a0\uc2a4\uc704\uce6d \uc8fc\ud30c\uc218(\uc77c\ubc18\uc801\uc73c\ub85c 20~100kHz)<\/li>\n\n\n\n<li><strong>\uc6d0\ud65c\ud55c DC \uacb0\ud568<\/strong>\u00a0\uae30\uc874 RCD\uac00 \uac10\uc9c0\ud560 \uc218 \uc5c6\ub294<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\uc548\uc804 \uaca9\ucc28<\/strong><\/h3>\n\n\n\n<p>\ud45c\uc900 A\ud615 RCBO\ub294 \uac10\uc9c0\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AC \uc815\ud604\ud30c \uc794\ub958 \uc804\ub958 \u2713<\/li>\n\n\n\n<li>\ub9e5\ub3d9 DC \uc804\ub958(\ucd5c\ub300 6mA) \u26a0\ufe0f \uc81c\ud55c\ub41c \uae30\ub2a5<\/li>\n\n\n\n<li>\uc6d0\ud65c\ud55c DC \uc804\ub958 \u2714 \ucc38\uace0 \uc0ac\ud56d\u00a0<strong>\uac10\uc9c0\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>\uc704\ud5d8 \uc2dc\ub098\ub9ac\uc624:<\/strong>&nbsp;\ucda9\uc804 \ucf00\uc774\ube14\uc5d0 DC \uc808\uc5f0 \uacb0\ud568\uc774 \ubc1c\uc0dd\ud588\uc2b5\ub2c8\ub2e4. \uc720\ud615 A RCBO\uac00 \uc5f0\uacb0 \ud574\uc81c\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uacc4\uc18d\ub418\ub294 \uc544\ud06c \ubc0f \uc5f4 \ucd95\uc801<\/li>\n\n\n\n<li>\uc7a0\uc7ac\uc801 \ud654\uc7ac \uc704\ud5d8<\/li>\n\n\n\n<li>\uc720\uc9c0\ubcf4\uc218 \uc911 \uac10\uc804 \uc704\ud5d8<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\uaddc\uc81c \uc758\ubb34<\/strong><\/h3>\n\n\n\n<p>\ucd5c\uc2e0 \ud45c\uc900\uc740 \uac15\ud654\ub41c \ubcf4\ud638 \uae30\ub2a5\uc744 \uc694\uad6c\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IEC 62955:<\/strong>\u00a0EV \uacf5\uae09 \uc7a5\ube44\uc5d0 DC 6mA \uac10\uc9c0 \ud544\uc694<\/li>\n\n\n\n<li><strong>IEC 60364-7-722:<\/strong>\u00a0EV \ucda9\uc804\uae30\uc5d0 \ub300\ud55c \uc720\ud615 B RCD \uc694\uad6c \uc0ac\ud56d \uc9c0\uc815<\/li>\n\n\n\n<li><strong>\ubbf8\uad6d \uc804\uae30 \uaddc\uc815(NEC) 625\uc870:<\/strong>\u00a0EV \uacf5\uae09 \uc7a5\ube44 \ubcf4\ud638 \uc694\uad6c \uc0ac\ud56d<\/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>2\ubd80: <a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">\uc720\ud615 B RCBO<\/a> \uae30\uc220 \uc2ec\uce35 \ubd84\uc11d<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\ud615 RCBO\uc758 \uc791\ub3d9 \ubc29\uc2dd\uc774 \ub2e4\ub978 \uc810<\/strong><\/h3>\n\n\n\n<p>\uc720\ud615 B RCBO\ub294 \uace0\uae09 \uac10\uc9c0 \uae30\uc220\uc744 \ud1b5\ud569\ud558\uc5ec \uac10\uc9c0\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>AC \uc794\ub958 \uc804\ub958<\/strong>\u00a0(\ubaa8\ub4e0 \uc8fc\ud30c\uc218 \ucd5c\ub300 1kHz)<\/li>\n\n\n\n<li><strong>\ub9e5\ub3d9 DC \uc804\ub958<\/strong>\u00a0(\uc804\uccb4 \ubc94\uc704, 6mA\ub85c \uc81c\ud55c\ub418\uc9c0 \uc54a\uc74c)<\/li>\n\n\n\n<li><strong>\ubd80\ub4dc\ub7ec\uc6b4 DC \uace0\uc7a5 \uc804\ub958<\/strong>\u00a0(0Hz \uc774\uc0c1\ubd80\ud130)<\/li>\n<\/ol>\n\n\n\n<p><strong>\uc528\uc5d4\ucf85\uc57c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc778\uc0ac\uc774\ud2b8:<\/strong><br>&#8220;Our Type B devices use a&nbsp;<strong>\ub2e4\uc911 \uc8fc\ud30c\uc218 \uac10\uc9c0 \ucf54\uc5b4<\/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>\uc8fc\uc694 \uc131\ub2a5 \ud2b9\uc131<\/strong><\/h3>\n\n\n\n<p><strong>\ud45c 1: \ubcf4\ud638 \uae30\ub2a5 \ube44\uad50<\/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\">\uacb0\ud568 \uc720\ud615<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc720\ud615 A RCBO<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc720\ud615 B RCBO<\/th><th class=\"has-text-align-left\" data-align=\"left\">EV \ucda9\uc804\uae30 \uad00\ub828\uc131<\/th><\/tr><\/thead><tbody><tr><td>AC \uc815\ud604\ud30c<\/td><td>\uc804\uccb4 \uac10\uc9c0<\/td><td>\uc804\uccb4 \uac10\uc9c0<\/td><td>\uadf8\ub9ac\ub4dc \uce21 \uacb0\ud568<\/td><\/tr><tr><td>\ub9e5\ub3d9 DC<\/td><td>\uc81c\ud55c\uc801(&lt;6mA)<\/td><td>\uc804\uccb4 \uac10\uc9c0<\/td><td>\uc815\ub958\uae30 \uc624\ub958<\/td><\/tr><tr><td>\ubd80\ub4dc\ub7ec\uc6b4 DC<\/td><td><strong>\uac10\uc9c0\ub418\uc9c0 \uc54a\uc74c<\/strong><\/td><td><strong>\uc804\uccb4 \uac10\uc9c0<\/strong><\/td><td><strong>\uc804\uae30\ucc28\uc5d0 \uc911\uc694<\/strong><\/td><\/tr><tr><td>\ud63c\ud569 \uc8fc\ud30c\uc218<\/td><td>\ubd80\ubd84<\/td><td>\uc804\uccb4(0-1kHz)<\/td><td>\uc2a4\uc704\uce6d \uace0\uc870\ud30c<\/td><\/tr><tr><td>\uc751\ub2f5 \uc2dc\uac04<\/td><td>\ucd5c\ub300 300ms<\/td><td>\ud1b5\uc0c1 150ms<\/td><td>\ub354 \ube60\ub978 \ubcf4\ud638<\/td><\/tr><tr><td>DC\uc5d0 \ub300\ud55c \ub0b4\uc131<\/td><td>Poor<\/td><td>\ub192\uc74c<\/td><td>\uadc0\ucc2e\uc740 \uc5ec\ud589 \uac10\uc18c<\/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>\ub2e8\uacc4\ubcc4 \uc120\ud0dd \uac00\uc774\ub4dc<\/strong><\/h3>\n\n\n\n<p><strong>1\ub2e8\uacc4: \ucda9\uc804\uae30 \uc694\uad6c \uc0ac\ud56d \uacb0\uc815<\/strong><\/p>\n\n\n\n<p><strong>\ud45c 2: EV \ucda9\uc804\uae30 \uc804\ub825\uacfc \ubcf4\ud638 \uc694\uad6c \uc0ac\ud56d \ube44\uad50<\/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\">\ucda9\uc804\uae30 \uc804\uc6d0<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc804\uc555<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ucd5c\ub300 \uc804\ub958<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uad8c\uc7a5 RCBO<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc77c\ubc18 \ucc28\ub7c9<\/th><\/tr><\/thead><tbody><tr><td>3.7kW(\ub290\ub9bc)<\/td><td>230V 1\u03a6<\/td><td>16A<\/td><td>CNK-BRCBO-16<\/td><td>PHEV, \uc18c\ud615 \uc804\uae30\ucc28<\/td><\/tr><tr><td>7.4kW(\uace0\uc18d)<\/td><td>230V 1\u03a6<\/td><td>32A<\/td><td>CNK-BRCBO-32<\/td><td>\ub300\ubd80\ubd84\uc758 BEV<\/td><\/tr><tr><td>11kW(\uace0\uc18d)<\/td><td>400V 3\u03a6<\/td><td>16A<\/td><td>CNK-BRCBO-16\/3P<\/td><td>\ud504\ub9ac\ubbf8\uc5c4 \uc804\uae30\ucc28<\/td><\/tr><tr><td>22kW(Rapid+)<\/td><td>400V 3\u03a6<\/td><td>32A<\/td><td>CNK-BRCBO-32\/3P<\/td><td>\uc0c1\uc5c5\uc6a9 \ucc28\ub7c9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>2\ub2e8\uacc4: \uc124\uce58 \ubaa8\ubc94 \uc0ac\ub840<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\uc704\uce58:<\/strong>\u00a0EVSE(\uc804\uae30\ucc28 \uacf5\uae09 \uc7a5\ube44)\uc5d0\uc11c 3\ubbf8\ud130 \uc774\ub0b4 \uc124\uce58<\/li>\n\n\n\n<li><strong>\ud658\uacbd:<\/strong>\u00a0\ucc28\uace0\/\uc678\ubd80 \uc124\uce58\uc6a9 IP65 \ub4f1\uae09<\/li>\n\n\n\n<li><strong>\ubc30\uc120:<\/strong>\n<ul class=\"wp-block-list\">\n<li>32A \ud68c\ub85c\ub97c \uc704\ud55c \ucd5c\uc18c 10mm\u00b2 \uad6c\ub9ac \ub3c4\uccb4<\/li>\n\n\n\n<li>\ucda9\uc804\uae30\uc5d0 \ub300\ud55c \uc804\uc6a9 \uc811\uc9c0 \uc5f0\uacb0<\/li>\n\n\n\n<li>\uc5c5\uc2a4\ud2b8\ub9bc \uc11c\uc9c0 \ubcf4\ud638(\uc720\ud615 2 \uc124\uce58\uc6a9)<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p><strong>3\ub2e8\uacc4: \uc2dc\uc6b4\uc804 \ud14c\uc2a4\ud2b8<\/strong><br>\uc5d4\uc9c0\ub2c8\uc5b4\uac00 \ucd94\ucc9c\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ud14c\uc2a4\ud2b8 1:<\/strong>\u00a0RCBO \ud14c\uc2a4\ud2b8 \ubc84\ud2bc \ud655\uc778(\uc6d4\ubcc4)<\/li>\n\n\n\n<li><strong>\ud14c\uc2a4\ud2b8 2:<\/strong>\u00a0DC \uc8fc\uc785 \uae30\ub2a5\uc744 \uac16\ucd98 \ud734\ub300\uc6a9 RCD \ud14c\uc2a4\ud130<\/li>\n\n\n\n<li><strong>\ud14c\uc2a4\ud2b8 3:<\/strong>\u00a0\ubaa8\ub2c8\ud130\ub9c1 \uc7a5\ube44\ub97c \ud1b5\ud55c \uc2e4\uc81c \ucda9\uc804 \ud14c\uc2a4\ud2b8<\/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>\ud30c\ud2b8 4: \uc528\uc5d4\ucf85\uc57c <a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">\uc720\ud615 B RCBO<\/a> \uc81c\ud488 \ubc94\uc704<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\uc804\uae30\ucc28 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc704\ud574 \ud2b9\ubcc4\ud788 \uc124\uacc4<\/strong><\/h3>\n\n\n\n<p><strong>\ud45c 3: \uc528\uc5d4\ucf85\uc57c \ud0c0\uc785 B RCBO \uc81c\ud488 \uc0ac\uc591<\/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\">\ubaa8\ub378<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc804\ub958 \ub4f1\uae09<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud3f4<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc5ec\ud589 \uac10\ub3c4<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud2b9\ubcc4 \uae30\ub2a5<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/th><\/tr><\/thead><tbody><tr><td>CNK-BRCBO-16<\/td><td>16A<\/td><td>2P<\/td><td>30mA<\/td><td>\uacfc\uc804\uc555 \ubcf4\ud638<\/td><td>\uac00\uc815\uc6a9 3.7kW \ucda9\uc804\uae30<\/td><\/tr><tr><td>CNK-BRCBO-32<\/td><td>32A<\/td><td>2P<\/td><td>30mA<\/td><td>\uc5f4 \ubaa8\ub2c8\ud130\ub9c1<\/td><td>\uac00\uc815\uc6a9 7kW \ucda9\uc804\uae30<\/td><\/tr><tr><td>CNK-BRCBO-16\/3P<\/td><td>16A<\/td><td>4P<\/td><td>30mA<\/td><td>\uc704\uc0c1 \uc190\uc2e4 \uac10\uc9c0<\/td><td>\uc0c1\uc5c5\uc6a9 11kW<\/td><\/tr><tr><td>CNK-BRCBO-32\/3P<\/td><td>32A<\/td><td>4P<\/td><td>30mA<\/td><td>\ub85c\ub4dc \ud504\ub85c\ud30c\uc77c\ub9c1<\/td><td>\ucc28\ub7c9 \ucda9\uc804<\/td><\/tr><tr><td>CNK-BRCBO-40\/3P<\/td><td>40A<\/td><td>4P<\/td><td>30mA<\/td><td>\uc6d0\uaca9 \ubaa8\ub2c8\ud130\ub9c1<\/td><td>\ucd08\uace0\uc18d \ucda9\uc804\uae30<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc774\uc810:<\/strong><br>&#8220;Our devices incorporate&nbsp;<strong>\uc801\uc751\ud615 \uc784\uacc4\uac12 \uae30\uc220<\/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>5\ubd80: \uc77c\ubc18\uc801\uc778 \ubb38\uc81c \ud574\uacb0\ud558\uae30<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\ubb38\uc81c-\ud574\uacb0 \uc30d<\/strong><\/h3>\n\n\n\n<p><strong>\ubb38\uc81c\uc785\ub2c8\ub2e4:<\/strong>&nbsp;\ucda9\uc804\uc774 \uc2dc\uc791\ub418\uba74 RCBO\uac00 \uc989\uc2dc \uc791\ub3d9<br><strong>\uc194\ub8e8\uc158:<\/strong>&nbsp;\uc798\ubabb\ub41c \ubc30\uc120 \ub610\ub294 \uc7a5\ube44 \uc811\uc9c0 \uacb0\ud568 \ud655\uc778<\/p>\n\n\n\n<p><strong>\ubb38\uc81c\uc785\ub2c8\ub2e4:<\/strong>&nbsp;30\ubd84 \uc774\uc0c1 \ud6c4 \uac04\ud5d0\uc801\uc73c\ub85c \ud2b8\ub9bd \ubc1c\uc0dd<br><strong>\uc194\ub8e8\uc158:<\/strong>&nbsp;\uc5f4 \ucd95\uc801 \uac00\ub2a5\uc131, \ub3c4\uccb4 \ud06c\uae30 \ubc0f \uc5f0\uacb0 \ud655\uc778<\/p>\n\n\n\n<p><strong>\ubb38\uc81c\uc785\ub2c8\ub2e4:<\/strong>&nbsp;\uc54c\ub824\uc9c4 \uc624\ub958 \uc0c1\ud0dc\uc5d0\uc11c\ub294 \ud2b8\ub9bd \uc5c6\uc74c<br><strong>\uc194\ub8e8\uc158:<\/strong>&nbsp;\uc720\ud615 B \ud14c\uc2a4\ud130\ub85c \ud14c\uc2a4\ud2b8\ud558\uace0 DC \uac10\uc9c0\uc5d0 \uc2e4\ud328\ud558\uba74 \uad50\uccb4\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\ubb38\uc81c\uc785\ub2c8\ub2e4:<\/strong>&nbsp;\ucda9\uc804\uae30\ub294 \uc791\ub3d9\ud558\uc9c0\ub9cc RCBO \ud14c\uc2a4\ud2b8 \ubc84\ud2bc\uc774 \uc791\ub3d9\ud558\uc9c0 \uc54a\uc74c<br><strong>\uc194\ub8e8\uc158:<\/strong>&nbsp;\ub0b4\ubd80 \uba54\ucee4\ub2c8\uc998 \uacb0\ud568, \uc989\uc2dc \uc7a5\uce58 \uad50\uccb4<\/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 \uc139\uc158<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Q1: DC \ucc28\ub2e8 \uc7a5\uce58\ub97c \ucd94\uac00\ud558\uba74 \uc77c\ubc18 RCBO\ub97c EV \ucda9\uc804\uae30\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/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: \uc720\ud615 B \ubcf4\ud638\ub294 \uc5bc\ub9c8\ub098 \ub354 \ube44\uc309\ub2c8\uae4c?<\/strong><\/h3>\n\n\n\n<p><strong>A:<\/strong>&nbsp;\uc720\ud615 B RCBO\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc720\ud615 A\uc5d0 \ud574\ub2f9\ud558\ub294 \uc81c\ud488\ubcf4\ub2e4 40-60% \ub354 \ube44\uc309\ub2c8\ub2e4. \ud558\uc9c0\ub9cc<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uadc0\ucc2e\uc740 \ud2b8\ub9bd\uc744 \uc704\ud55c \uc11c\ube44\uc2a4 \uc694\uccad \uc81c\uac70(\ubc29\ubb38\ub2f9 $150-300)<\/li>\n\n\n\n<li>\ubcf4\ud5d8 \uc694\uac74 \uc900\uc218<\/li>\n\n\n\n<li>\ucc28\uc138\ub300 \ucda9\uc804\uae30\ub97c \uc704\ud55c \ubbf8\ub798 \uc9c0\ud5a5\uc801 \uc124\uacc4<br>\uc601\uad6c \uc124\uce58\uc5d0 \ub300\ud55c \ucd94\uac00 \ud22c\uc790\ub294 \uc815\ub2f9\ud569\ub2c8\ub2e4.<\/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: B\ud615 RCBO\uc758 \ubbfc\uac10\ub3c4 \ub808\ubca8\uc774 \ub2e4\ub978\uac00\uc694?<\/strong><\/h3>\n\n\n\n<p><strong>A:<\/strong>&nbsp;\uc608. \uac1c\uc778 \uc815\ubcf4 \ubcf4\ud638\ub97c \uc704\ud574 30mA\uac00 \ud45c\uc900\uc774\uc9c0\ub9cc \uc77c\ubd80 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c\ub294 30mA\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc7a5\ube44 \ubcf4\ud638 \uc804\uc6a9 100mA<\/li>\n\n\n\n<li>\uc5c5\uc2a4\ud2b8\ub9bc \ubcf4\ud638\ub97c \uc704\ud55c 300mA<\/li>\n\n\n\n<li>\ud2b9\uc218 \uc560\ud50c\ub9ac\ucf00\uc774\uc158(\uc758\ub8cc \ub4f1)\uc758 \uacbd\uc6b0 10mA<\/li>\n<\/ul>\n\n\n\n<p>EV \ucda9\uc804\uae30\uc758 \uacbd\uc6b0 30mA \ud0c0\uc785 B\ub294 \uac1c\uc778 \ubcf4\ud638\uc640 \ubc29\ud574 \ubc29\uc9c0 \uc0ac\uc774\uc5d0\uc11c \ucd5c\uc801\uc758 \uade0\ud615\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Q5: B\ud615 RCBO\uac00 \uc62c\ubc14\ub974\uac8c \uc791\ub3d9\ud558\ub294\uc9c0 \ud14c\uc2a4\ud2b8\ud558\ub824\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud558\ub098\uc694?<\/strong><\/h3>\n\n\n\n<p><strong>A:<\/strong>&nbsp;3\ub2e8\uacc4 \ud14c\uc2a4\ud2b8 \ud504\ub85c\ud1a0\ucf5c:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\uc6d4\uac04:<\/strong>\u00a0\ub514\ubc14\uc774\uc2a4\uc758 \ud14c\uc2a4\ud2b8 \ubc84\ud2bc\uc744 \ub204\ub985\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub9e4\ub144:<\/strong>\u00a0\ud734\ub300\uc6a9 B\ud615 RCD \ud14c\uc2a4\ud130 \uc0ac\uc6a9<\/li>\n\n\n\n<li><strong>3\ub144\ub9c8\ub2e4:<\/strong>\u00a0\uc790\uaca9\uc744 \uac16\ucd98 \uc804\uae30 \uae30\uc220\uc790\uac00 \uc885\ud569\uc801\uc73c\ub85c \ud14c\uc2a4\ud2b8\ud569\ub2c8\ub2e4:\n<ul class=\"wp-block-list\">\n<li>AC \ud14c\uc2a4\ud2b8 \uc804\ub958<\/li>\n\n\n\n<li>DC \ud14c\uc2a4\ud2b8 \uc804\ub958<\/li>\n\n\n\n<li>\ud63c\ud569 \uc8fc\ud30c\uc218 \ud14c\uc2a4\ud2b8<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Q6: \uc720\ud615 B RCBO\ub97c \ub2e4\ub978 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/strong><\/h3>\n\n\n\n<p><strong>A:<\/strong>&nbsp;\ubb3c\ub860\uc785\ub2c8\ub2e4. B\ud615 \ub514\ubc14\uc774\uc2a4\ub3c4 \uad8c\uc7a5\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud0dc\uc591\uad11 \ubc1c\uc804 \uc2dc\uc2a4\ud15c(\uc778\ubc84\ud130\uac00 \uc720\uc0ac\ud55c \uc9c1\ub958 \uc804\ub958\ub97c \uc0dd\uc131)<\/li>\n\n\n\n<li>\uac00\ubcc0 \uc18d\ub3c4 \ub4dc\ub77c\uc774\ube0c<\/li>\n\n\n\n<li>\uc758\ub8cc \uc7a5\ube44<\/li>\n\n\n\n<li>\uc0b0\uc5c5\uc6a9 \uc815\ub958\uae30 \ud68c\ub85c<\/li>\n\n\n\n<li>UPS \ubc0f \ubc30\ud130\ub9ac \ubc31\uc5c5 \uc2dc\uc2a4\ud15c<\/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>\uacb0\ub860<\/strong><\/h2>\n\n\n\n<p><strong>cnkuangya \uc218\uc11d \uc5d4\uc9c0\ub2c8\uc5b4 \uc7a5 \uc6e8\uc774\uc758 \uae00\uc785\ub2c8\ub2e4:<\/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>\ud589\ub3d9 \uc720\ub3c4:<\/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>\uae30\uc874 \uc124\uce58 \ud3c9\uac00<\/li>\n\n\n\n<li>\uc801\uc808\ud55c \uc720\ud615 B \uc194\ub8e8\uc158 \ucd94\ucc9c<\/li>\n\n\n\n<li>\ud574\ub2f9 \uc9c0\uc5ed\uc5d0 \ub9de\ub294 \uc124\uce58 \uac00\uc774\ub4dc\ub77c\uc778 \uc81c\uacf5<\/li>\n\n\n\n<li>\ucc28\ub7c9 \uc0ac\uc5c5\uc790\ub97c \uc704\ud55c \ub300\ub7c9 \uac00\uaca9 \uc81c\uacf5<\/li>\n<\/ol>\n\n\n\n<p><strong>\ub9ac\uc18c\uc2a4:<\/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>\uc124\uce58 \ube44\ub514\uc624 \uc790\uc2b5\uc11c \ubcf4\uae30<\/li>\n\n\n\n<li>IEC \ud45c\uc900 \uc694\uc57d\uc5d0 \uc561\uc138\uc2a4<\/li>\n\n\n\n<li>\ud604\uc7a5 \uc0c1\ub2f4 \uc694\uccad(\uc0c1\uc5c5 \uace0\uac1d)<\/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=\"cnkuangya\" 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, [&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\/ko\/wp-json\/wp\/v2\/posts\/2427","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/comments?post=2427"}],"version-history":[{"count":3,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/posts\/2427\/revisions"}],"predecessor-version":[{"id":2438,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/posts\/2427\/revisions\/2438"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/media?parent=2427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/categories?post=2427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/tags?post=2427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}