{"id":1887,"date":"2025-09-28T05:39:06","date_gmt":"2025-09-28T05:39:06","guid":{"rendered":"https:\/\/cnkuangya.com\/?p=1887"},"modified":"2026-04-24T16:15:59","modified_gmt":"2026-04-24T08:15:59","slug":"%ec%a0%80%ec%a0%84%ec%95%95-%eb%b0%b0%ec%a0%84-%eb%b3%b4%ed%98%b8-2025","status":"publish","type":"post","link":"https:\/\/cnkuangya.com\/ko\/blog\/low-voltage-distribution-protection-2025\/","title":{"rendered":"\uc800\uc804\uc555 \ubcf4\ud638 \uac00\uc774\ub4dc 2025"},"content":{"rendered":"<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-1cdfebf\" data-block-id=\"1cdfebf\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-1cdfebf-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-e115ceb\" data-v=\"4\" data-block-id=\"e115ceb\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-e115ceb-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-e115ceb-inner-blocks\">\n<!-- ===== SEC 01 \u2014 Overview & Executive Summary (Kuangya Blog, inline CSS, with internal links) ===== -->\n<section id=\"sec01-overview\" aria-label=\"\uac1c\uc694 \ubc0f \uc694\uc57d\">\n  <style>\n    \/* ===== Scoped Inline CSS for Kuangya Blog (Section 01) ===== *\/\n    #sec01-overview{\n      --brand:#B5220E; --accent:#FD5732; --text:#111827; --muted:#4B5563;\n      --bg:#ffffff; --card:#F9FAFB; --border:#E5E7EB; --ink:#0f172a;\n    }\n    #sec01-overview{padding:56px 16px;background:var(--bg)}\n    #sec01-overview .wrap{max-width:1120px;margin:0 auto}\n    \/* Head *\/\n    #sec01-overview .eyebrow{display:inline-block;font:700 12px\/1 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;color:#fff;background:var(--brand);padding:6px 10px;border-radius:999px;letter-spacing:.3px;text-transform:uppercase}\n    #sec01-overview h1{margin:10px 0 6px;font:800 30px\/1.2 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;color:var(--ink)}\n    #sec01-overview .sub{margin:0 0 14px;color:var(--muted)}\n    \/* Cards *\/\n    #sec01-overview .card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;margin:12px 0}\n    #sec01-overview .note{background:#fff7ed;border:1px solid #fed7aa}\n    \/* Lists *\/\n    #sec01-overview ul{margin:0 0 12px 18px}\n    #sec01-overview li{margin:6px 0}\n    #sec01-overview a{color:#B5220E;text-decoration:underline}\n    #sec01-overview .muted{color:var(--muted)}\n  <\/style>\n\n  <div class=\"wrap\">\n    <span class=\"eyebrow\">\uc139\uc158 01<\/span>\n    <h1>\uc800\uc804\uc555 \ubc30\uc804 \ubcf4\ud638(2025): \ud45c\uc900\uc5d0 \ubd80\ud569\ud558\ub294 \uacc4\uce35\ud654\ub41c \ubc29\ubc95\ub860<\/h1>\n    <p class=\"sub\"><strong>\ub0a0\uc9dc:<\/strong> 2025\ub144 9\uc6d4 28\uc77c <strong>\uac8c\uc2dc\uc790:<\/strong> \ucfe0\uc559\uc57c \ube14\ub85c\uadf8<\/p>\n\n    <!-- Legal & Safety -->\n    <div class=\"card note\">\n      <p><strong>\ubc95\uc801 \uace0\uc9c0 \uc0ac\ud56d:<\/strong> \uc774 \ubb38\uc11c\ub294 \uc815\ubcf4 \uc81c\uacf5 \ubaa9\uc801\uc73c\ub85c\ub9cc \uc81c\uacf5\ub418\uba70 \uc804\ubb38\uc801\uc778 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc870\uc5b8\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ubaa8\ub4e0 \uc124\uacc4\ub294 \uc2e4\ud589 \uc804\uc5d0 \ud574\ub2f9 \ucf54\ub4dc \ubc0f \ud45c\uc900\uc5d0 \ub530\ub77c \uba74\ud5c8\ub97c \uc18c\uc9c0\ud55c \uc804\ubb38 \uc5d4\uc9c0\ub2c8\uc5b4\uc758 \uac80\ud1a0\uc640 \uc2b9\uc778\uc744 \ubc1b\uc544\uc57c \ud569\ub2c8\ub2e4.<\/p>\n      <p class=\"muted\"><strong>\uc548\uc804:<\/strong> \uc804\uae30 \uc2dc\uc2a4\ud15c\uc5d0 \ub300\ud55c \ubaa8\ub4e0 \uc791\uc5c5\uc740 \uc790\uaca9\uc744 \uac16\ucd98 \uc9c1\uc6d0\uc774 \uc5c4\uaca9\ud55c \uc7a0\uae08-\ud0dc\uadf8\uc544\uc6c3(LOTO) \uc808\ucc28\uc5d0 \ub530\ub77c \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4. \uc2e4\uc2dc\uac04 \uc791\uc5c5 \uc9c0\uce68\uc740 \uc81c\uacf5\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n    <\/div>\n\n    <!-- Executive Summary with INTERNAL LINKS -->\n    <div class=\"card\">\n      <h2 style=\"margin:0 0 8px;font:800 22px\/1.3 ui-sans-serif,system-ui,-apple-system,'Segoe UI',Arial;color:var(--ink)\">\uacbd\uc601\uc9c4 \uc694\uc57d<\/h2>\n      <p>\ucd5c\uc2e0 \uc124\uce58, \ud2b9\ud788 VFD, PV\/ESS \ubc0f EV \ucda9\uc804\uae30\uac00 \uc788\ub294 \uc124\uce58\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. <strong>\uacc4\uce35\ud654\ub41c \ubcf4\ud638<\/strong> \uc870\uc815\ud558\ub294 \uc804\ub7b5 <strong>MCB\/MCCB<\/strong> (\uacfc\uc804\ub958), <a href=\"https:\/\/cnkuangya.com\/ko\/rccb\/\">RCCB<\/a>\/<a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a> (\ucda9\uaca9\/\ud654\uc7ac), <a href=\"https:\/\/cnkuangya.com\/ko\/afdd\/\">AFDD<\/a> (\uc544\ud06c \uacb0\ud568) \ubc0f <a href=\"https:\/\/cnkuangya.com\/ko\/ac-spd\/\">AC SPD<\/a> \/ <a href=\"https:\/\/cnkuangya.com\/ko\/dc-spd\/\">DC SPD<\/a> (\uc11c\uc9c0). \uc774 \uc811\uadfc \ubc29\uc2dd\uc740 \uc131\uac00\uc2e0 \ud2b8\ub9bd\uacfc \uc0ac\uac01\uc9c0\ub300\ub97c \uc904\uc774\uba74\uc11c AC \ubc0f DC \uc2dc\uc2a4\ud15c \ubaa8\ub450\uc5d0 \ub300\ud55c \ud604\uc7ac \ud45c\uc900\uc5d0 \ubd80\ud569\ud569\ub2c8\ub2e4.<\/p>\n      <ul>\n        <li><strong>\uacfc\uc804\ub958:<\/strong> MCB\/MCCB\/\ud4e8\uc988\ub85c \ucc98\ub9ac; \uace1\uc120 B\/C\/D\uc640 \uc801\uc808\ud55c I\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<em>cu<\/em>\/I<em>cs<\/em>. \uc5d0\uc11c \uad00\ub828 DC \ubcf4\ud638 \uae30\ub2a5\uc744 \ucc38\uc870\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/cnkuangya.com\/ko\/dc-fuse\/\">DC \ud4e8\uc988<\/a>.<\/li>\n        <li><strong>\uc794\ub958 \uc804\ub958(\ucda9\uaca9\/\ud654\uc7ac):<\/strong> \ucc98\ub9ac \ub300\uc0c1 <a href=\"https:\/\/cnkuangya.com\/ko\/rccb\/\">RCCB<\/a>\/<a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a>\ubd80\ud558 \ud30c\ud615\ubcc4\ub85c \uc720\ud615 A\/F\/B\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4(\uc608: VFD\/EV\ub294 \uc885\uc885 \uc720\ud615 B\uac00 \ud544\uc694\ud568).<\/li>\n        <li><strong>\uc544\ud06c \uacb0\ud568:<\/strong> \uc644\ud654 <a href=\"https:\/\/cnkuangya.com\/ko\/afdd\/\">AFDD<\/a> (\uc885\uc885 \ucd5c\uc885 \ud68c\ub85c\ub97c \uc704\ud574 MCB\/RCBO\uc640 \ud568\uaed8 \uc0ac\uc6a9\ub428).<\/li>\n        <li><strong>\uc11c\uc9c0:<\/strong> \uc5d0 \uc758\ud574 \uc81c\ud55c\ub429\ub2c8\ub2e4. <a href=\"https:\/\/cnkuangya.com\/ko\/ac-spd\/\">SPD \uc720\ud615 1\/2\/3(AC)<\/a> \ubc0f <a href=\"https:\/\/cnkuangya.com\/ko\/dc-spd\/\">DC SPD<\/a> for PV\/ESS\/EV; PV string protection &#038; housing see <a href=\"https:\/\/cnkuangya.com\/ko\/pv-combiner-box\/\">PV \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4<\/a>.<\/li>\n      <\/ul>\n\n      <!-- External references: exactly ONE dofollow (IEC), all others nofollow -->\n      <p class=\"muted\">\n        \ucc38\uc870:\n        <a href=\"https:\/\/www.iec.ch\/\" target=\"_blank\" rel=\"noopener\">IEC(60364 \uc2dc\ub9ac\uc988, \uc81c\ud488 \ubc0f \uc124\uce58 \ud45c\uc900)<\/a><!-- dofollow -->\n        - <a href=\"https:\/\/webstore.iec.ch\/\" target=\"_blank\" rel=\"nofollow noopener\">IEC \uc6f9 \uc2a4\ud1a0\uc5b4<\/a>\n        - <a href=\"https:\/\/www.nfpa.org\/codes-and-standards\" target=\"_blank\" rel=\"nofollow noopener\">NEC(NFPA)<\/a>\n        - <a href=\"https:\/\/www.ul.com\/\" target=\"_blank\" rel=\"nofollow noopener\">UL \ud45c\uc900<\/a>\n      <\/p>\n    <\/div>\n\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-588d12d\" data-block-id=\"588d12d\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-588d12d-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4d73f4a\" data-v=\"4\" data-block-id=\"4d73f4a\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4d73f4a-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4d73f4a-inner-blocks\">\n<!-- ===== SEC 02 \u2014 Terminology & Device Roles (Kuangya Blog, inline CSS) ===== -->\n<section id=\"sec02-roles\" aria-label=\"\uc6a9\uc5b4 \ubc0f \ub514\ubc14\uc774\uc2a4 \uc5ed\ud560\">\n  <style>\n    \/* ===== Scoped Inline CSS (Section 02) ===== *\/\n    #sec02-roles{\n      --brand:#B5220E; --accent:#FD5732; --text:#111827; --muted:#4B5563;\n      --bg:#ffffff; --card:#F9FAFB; --border:#E5E7EB; --ink:#0f172a;\n    }\n    #sec02-roles{padding:56px 16px;background:var(--bg)}\n    #sec02-roles .wrap{max-width:1120px;margin:0 auto}\n    \/* Head *\/\n    #sec02-roles .eyebrow{display:inline-block;font:700 12px\/1 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;color:#fff;background:var(--brand);padding:6px 10px;border-radius:999px;letter-spacing:.3px;text-transform:uppercase}\n    #sec02-roles h2{margin:10px 0 6px;font:800 26px\/1.25 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;color:var(--ink)}\n    #sec02-roles p.sub{margin:0 0 14px;color:var(--muted)}\n    \/* Table *\/\n    #sec02-roles .table-wrap{overflow:auto;border:1px solid var(--border);border-radius:12px;background:#fff;margin:12px 0}\n    #sec02-roles table{width:100%;border-collapse:separate;border-spacing:0;min-width:980px}\n    #sec02-roles thead th{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--border);padding:12px 14px;text-align:left;font:700 12px\/1.2 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;color:var(--ink)}\n    #sec02-roles tbody td{padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:top;font:400 13px\/1.55 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;color:var(--text)}\n    #sec02-roles tbody tr:nth-child(odd) td{background:#fcfcfd}\n    #sec02-roles .k{font-weight:700}\n    #sec02-roles a{color:#B5220E;text-decoration:underline}\n    \/* Callout *\/\n    #sec02-roles .note{background:#fff7ed;border:1px solid #fed7aa;border-radius:12px;padding:12px;margin-top:10px}\n    #sec02-roles .muted{color:var(--muted)}\n  <\/style>\n\n  <div class=\"wrap\">\n    <span class=\"eyebrow\">\uc139\uc158 02<\/span>\n    <h2>\uc6a9\uc5b4 \ubc0f \ub514\ubc14\uc774\uc2a4 \uc5ed\ud560<\/h2>\n    <p class=\"sub\">MCB\/MCCB, RCD \uc81c\ud488\uad70(RCCB\/RCBO), AFDD \ubc0f SPD\uc5d0 \ub300\ud55c \uba85\ud655\ud55c \uc5ed\ud560 \uacbd\uacc4\ub97c \uc124\uc815\ud558\uc138\uc694. \uc62c\ubc14\ub978 \uc704\ud611 \ubc94\uc8fc\uc5d0 \uc801\ud569\ud55c \ub514\ubc14\uc774\uc2a4\ub97c \uc120\ud0dd\ud558\uc138\uc694.<\/p>\n\n    <div class=\"table-wrap\" role=\"region\" aria-label=\"\ubcf4\ud638 \uc7a5\uce58 \uc5ed\ud560 \ub9e4\ud2b8\ub9ad\uc2a4\">\n      <table>\n        <thead>\n          <tr>\n            <th>\uc7a5\uce58<\/th>\n            <th>\uc8fc\uc694 \uae30\ub2a5<\/th>\n            <th>\uc704\ud611 \uc644\ud654<\/th>\n            <th>\uc77c\ubc18\uc801\uc778 \uc704\uce58<\/th>\n            <th>\uc8fc\uc694 \ub9e4\uac1c\ubcc0\uc218<\/th>\n            <th>\ud45c\uc900 (2025)<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td><span class=\"k\">MCB\/MCCB<\/span><\/td>\n            <td>\uacfc\uc804\ub958 \ubcf4\ud638(\uacfc\ubd80\ud558 \ubc0f \ub2e8\ub77d)<\/td>\n            <td>\uc5f4 \uc190\uc0c1, \ub3c4\uccb4 \uc808\uc5f0 \uc2e4\ud328<\/td>\n            <td>\uc11c\ube44\uc2a4 \uc785\uad6c\/MSB; \ud558\uc704 \ubc30\ud3ec; \ucd5c\uc885 \ud68c\ub85c<\/td>\n            <td>In; \uc5ec\ud589 \uace1\uc120 <b>B\/C\/D<\/b>; I<sub>cn<\/sub> \/ I<sub>cu<\/sub> \/ I<sub>cs<\/sub>\uc628\ub3c4 \uac10\uc18d<\/td>\n            <td>IEC 60898-1(MCB), IEC 60947-2(MCCB)<\/td>\n          <\/tr>\n          <tr>\n            <td><a href=\"https:\/\/cnkuangya.com\/ko\/rccb\/\">RCCB<\/a><\/td>\n            <td>\uc794\ub958 \uc804\ub958 \ubcf4\ud638(\uacfc\uc804\ub958 \uc5c6\uc74c)<\/td>\n            <td>\uac10\uc804 \/ \uc9c0\ub77d \ud654\uc7ac<\/td>\n            <td>\uc11c\ube0c DB\/\ud30c\uc774\ub110 \ud68c\ub85c\uc5d0\uc11c \uc5c5\uc2a4\ud2b8\ub9bc \uadf8\ub8f9 \ubcf4\ud638<\/td>\n            <td>I<sub>dn<\/sub> (10\/30\/100\/300 mA); \uc720\ud615 <b>AC\/A\/F\/B<\/b>\uc720\ud615 S(\uc120\ud0dd\uc801)<\/td>\n            <td>IEC 61008-1; IEC 62423(\uc720\ud615 F\/B)<\/td>\n          <\/tr>\n          <tr>\n            <td><a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a><\/td>\n            <td>\uc794\ub958 \uc804\ub958 + \uacfc\uc804\ub958 \uacb0\ud569<\/td>\n            <td>\uacb0\uc2b9\uc804 \ucda9\uaca9 + \uacfc\ubd80\ud558\/\ud569\uc120<\/td>\n            <td>\ucd5c\uc885 \ud68c\ub85c(MCB + RCCB \ub300\uccb4)<\/td>\n            <td>In; I<sub>dn<\/sub> \u2264 30mA; \uace1\uc120 B\/C\/D; \uc720\ud615 A\/F\/B<\/td>\n            <td>IEC 61009-1; IEC 62423(\uc720\ud615 F\/B)<\/td>\n          <\/tr>\n          <tr>\n            <td><a href=\"https:\/\/cnkuangya.com\/ko\/afdd\/\">AFDD<\/a><\/td>\n            <td>\uc544\ud06c \uacb0\ud568 \uac10\uc9c0 \ubc0f \ud2b8\ub9bd<\/td>\n            <td>\uc9c1\ub82c\/\ubcd1\ub82c \uc544\ud06c \uacb0\ud568(\ud654\uc7ac)<\/td>\n            <td>\ud654\uc7ac \uc704\ud5d8\uc774 \ub192\uc740 \ucd5c\uc885 \ud68c\ub85c, \uc885\uc885 MCB\/RCBO\uc640 \uc9dd\uc744 \uc774\ub8e8\ub294 \uacbd\uc6b0<\/td>\n            <td>\ud0d0\uc9c0 \uc54c\uace0\ub9ac\uc998, \ubd88\ucf8c\uac10 \ub0b4\uc131, \uc790\uccb4 \ud14c\uc2a4\ud2b8\/\ud45c\uc2dc<\/td>\n            <td>IEC 62606; UL 1699(AFCI, NA)<\/td>\n          <\/tr>\n          <tr>\n            <td><a href=\"https:\/\/cnkuangya.com\/ko\/ac-spd\/\">SPD(AC)<\/a><\/td>\n            <td>AC \uc2dc\uc2a4\ud15c\uc758 \ud074\ub7a8\ud504 \uc11c\uc9c0<\/td>\n            <td>\ub099\ub8b0\/\uc2a4\uc704\uce6d \uc11c\uc9c0<\/td>\n            <td>\uc720\ud615 1\/1+2: \uc11c\ube44\uc2a4 \uc785\uad6c, \uc720\ud615 2: \uc11c\ube0c DB, \uc720\ud615 3: \uc0ac\uc6a9 \uc9c0\uc810<\/td>\n            <td>U<sub>c<\/sub>; U<sub>p<\/sub>; I<sub>n<\/sub>\/I<sub>\ucd5c\ub300<\/sub> (8\/20); I<sub>imp<\/sub> (10\/350); SCCR; \uc870\uc815<\/td>\n            <td>IEC 61643-11(AC)<\/td>\n          <\/tr>\n          <tr>\n            <td><a href=\"https:\/\/cnkuangya.com\/ko\/dc-spd\/\">SPD(PV\/DC)<\/a><\/td>\n            <td>PV\/ESS\/EV DC \ud68c\ub85c\uc758 \uc11c\uc9c0 \ud074\ub7a8\ud504<\/td>\n            <td>DC\uc758 \uacfc\ub3c4 \uacfc\uc804\uc555<\/td>\n            <td>PV \uacb0\ud569\uae30, ESS DC \ubc84\uc2a4, DC \ucda9\uc804\uae30 \uc778\ud130\ud398\uc774\uc2a4<\/td>\n            <td>U<sub>cpv<\/sub>\/U<sub>c<\/sub>; U<sub>p<\/sub>; I<sub>n<\/sub>\/I<sub>\ucd5c\ub300<\/sub>\uadf9\uc131; \uc811\uc9c0 \ubc29\uc2dd<\/td>\n            <td>IEC 61643-31(PV\/DC)<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n\n    <div class=\"note\">\n      <p><strong>\ub514\uc790\uc778 \ud301:<\/strong> \uae30\ub2a5\uc801 \uc911\ubcf5\uc744 \uac00\uc815\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<em>MCB\/MCCB\ub294 \ub204\uc804\uc744 \uac10\uc9c0\ud558\uc9c0 \ubabb\ud568<\/em>; <em>RCD\ub294 \uc11c\uc9c0\ub97c \uc81c\ud55c\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/em>. \uac01 \ub514\ubc14\uc774\uc2a4\ub97c \ud2b9\uc815 \uc704\ud611\uc5d0 \ub9de\uac8c \uc0ac\uc6a9\ud558\uace0 \uacc4\uce35 \uac04 \uc124\uc815\/\uc120\ud0dd\uc744 \uc870\uc815\ud558\uc138\uc694.<\/p>\n      <p class=\"muted\">2024\ub144\uc5d0 \uc5c5\ub370\uc774\ud2b8\ub41c RCCB\/RCBO\uc758 \uc8fc\uc694 \uc81c\ud488 \ud45c\uc900, 2025\ub144\uc73c\ub85c \uc608\uc0c1\ub418\ub294 \uc0c8\ub85c\uc6b4 AC SPD \uc5d0\ub514\uc158 - \uc124\uacc4 \ubc0f \uc81c\ucd9c \uc2dc \ucd5c\uc2e0 \ubc84\uc804\uc744 \ucc38\uc870\ud558\uc138\uc694.<\/p>\n    <\/div>\n\n    <!-- References: exactly one dofollow (IEC); others nofollow -->\n    <p class=\"muted\">\n      \ucc38\uc870:\n      <a href=\"https:\/\/www.iec.ch\/\" target=\"_blank\" rel=\"noopener\">IEC<\/a>\n      - <a href=\"https:\/\/www.nfpa.org\/codes-and-standards\" target=\"_blank\" rel=\"nofollow noopener\">NEC(NFPA)<\/a>\n      - <a href=\"https:\/\/www.ul.com\/\" target=\"_blank\" rel=\"nofollow noopener\">UL \ud45c\uc900<\/a>\n    <\/p>\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-a0915c3\" data-block-id=\"a0915c3\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-a0915c3-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-713fd61\" data-v=\"4\" data-block-id=\"713fd61\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-713fd61-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-713fd61-inner-blocks\">\n<!-- ===== SEC 03 \u2014 Layered Protection Architecture (AC) ===== -->\n<section id=\"sec03-arch-ac\" aria-label=\"\uacc4\uce35\ud654\ub41c \ubcf4\ud638 \uc544\ud0a4\ud14d\ucc98 - AC\">\n  <style>\n    \/* SEO-first: semantic H2\/H3 + lightweight inline CSS, no placeholders *\/\n    #sec03-arch-ac{padding:40px 16px;background:#fff;color:#111827}\n    #sec03-arch-ac .wrap{max-width:1120px;margin:0 auto}\n    #sec03-arch-ac h2{font:800 26px\/1.25 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:0 0 12px}\n    #sec03-arch-ac h3{font:700 18px\/1.35 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:20px 0 8px}\n    #sec03-arch-ac p{margin:0 0 12px}\n    #sec03-arch-ac ul{margin:0 0 12px 20px}\n    #sec03-arch-ac li{margin:6px 0}\n    #sec03-arch-ac a{color:#B5220E;text-decoration:underline}\n    \/* smaller visual for long image *\/\n    #sec03-arch-ac .img-graph{display:block;width:100%;max-width:720px;margin:10px auto;border-radius:8px}\n  <\/style>\n\n  <div class=\"wrap\">\n    <h2>\uacc4\uce35\ud654\ub41c \ubcf4\ud638 \uc544\ud0a4\ud14d\ucc98 - AC<\/h2>\n    <p>\uc88c\ud45c <a href=\"https:\/\/cnkuangya.com\/ko\/ac-spd\/\">AC SPD<\/a>, <a href=\"https:\/\/cnkuangya.com\/ko\/rccb\/\">RCCB<\/a>\/<a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a>\ubc0f <a href=\"https:\/\/cnkuangya.com\/ko\/afdd\/\">AFDD<\/a> \uc800\uc804\uc555 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc548\uc804\uc131\uacfc \uc120\ud0dd\uc131\uc744 \ub2ec\uc131\ud558\uae30 \uc704\ud574 \uc138 \uac00\uc9c0 \ub808\uc774\uc5b4\uc5d0 \uac78\uccd0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n    <!-- Mermaid #1 replaced with image (smaller rendering) -->\n    <a href=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/mermaid1-scaled.jpeg\" target=\"_blank\" rel=\"noopener\">\n      <img class=\"img-graph\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/mermaid1-scaled.jpeg\" alt=\"AC \ub808\uc774\uc5b4 \uc6d0\ub77c\uc778: \ub808\uc774\uc5b4 1: \ud0c0\uc785 1\/1+2 SPD \ubc0f MCCB, \ub808\uc774\uc5b4 2: \ud0c0\uc785 2 SPD \ubc0f \uc120\ud0dd\uc801 RCCB, \ub808\uc774\uc5b4 3: RCBO 30mA, AFDD+MCB \ubc0f \ud0c0\uc785 B RCD\uac00 \uc788\ub294 VFD \ubd84\uae30.\" loading=\"lazy\" decoding=\"async\">\n    <\/a>\n\n    <h3>\ub808\uc774\uc5b4 1 - \uc11c\ube44\uc2a4 \uc785\uad6c \/ MDB<\/h3>\n    <ul>\n      <li><strong>\uc7a5\uce58:<\/strong> \uc608\uc0c1 \uacb0\ud568 \uc218\uc900\uc5d0 \ub9de\ub294 MCCB \ud06c\uae30(I<em>cu<\/em>\/I<em>cs<\/em>), <a href=\"https:\/\/cnkuangya.com\/ko\/ac-spd\/\">\uc720\ud615 1 \ub610\ub294 1+2 SPD<\/a>100-300mA \uc635\uc158 <strong>\uc720\ud615 S<\/strong> \ud5c8\uc6a9\ub418\ub294 \uacbd\uc6b0 \ud654\uc7ac \uc608\ubc29\uc744 \uc704\ud55c RCCB.<\/li>\n      <li><strong>\uc5f0\uc2b5:<\/strong> SPD \ub9ac\ub4dc\ub97c \uc9e7\uace0 \ud3c9\ud589\ud558\uac8c \uc720\uc9c0\ud558\uace0, SCCR \ubc0f \ubc31\uc5c5 OCPD\ub97c \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>\ub808\uc774\uc5b4 2 - \uc11c\ube0c \uba54\uc778 \ubc30\ud3ec(SMDB)<\/h3>\n    <ul>\n      <li><strong>\uc7a5\uce58:<\/strong> \ud53c\ub354 MCB\/MCCB \uad6c\uc5ed \uc124\uc815; <a href=\"https:\/\/cnkuangya.com\/ko\/ac-spd\/\">\uc720\ud615 2 SPD<\/a> \ub97c \uc0ac\uc6a9\ud558\uc5ec \uc794\uc5ec\ubb3c\uc744 \uace0\uc815\ud558\uace0, \ucf54\ub4dc\uc5d0\uc11c \uc694\uad6c\ud558\ub294 \uacbd\uc6b0 RCCB(\uc885\uc885 \uc120\ud0dd\uc801)\ub97c \uadf8\ub8f9\ud654\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\uc5f0\uc2b5:<\/strong> \uae34 \ud53c\ub354\ub97c \uc138\uadf8\uba3c\ud2b8\ud654\ud558\uace0 \ub808\uc774\uc5b4 3\uc73c\ub85c RCD \uc2dc\uac04\/\uc720\ud615 \uc120\ud0dd\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>\ub808\uc774\uc5b4 3 - \ucd5c\uc885 \ud68c\ub85c \/ \uc0ac\uc6a9 \uc9c0\uc810<\/h3>\n    <ul>\n      <li><strong>\uc7a5\uce58:<\/strong> <a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a> \ucd94\uac00 \ucda9\uaca9 \ubcf4\ud638\ub97c \uc704\ud55c \u2264 30mA \ub610\ub294 <a href=\"https:\/\/cnkuangya.com\/ko\/afdd\/\">AFDD<\/a> + \ud654\uc7ac \uc704\ud5d8 \ud68c\ub85c\uc758 MCB; <a href=\"https:\/\/cnkuangya.com\/ko\/ac-spd\/\">\uc720\ud615 3 SPD<\/a> \uc2e4\ud589 \uc2dc\uac04\uc774 \uae34 \uacbd\uc6b0 \ubbfc\uac10\ud55c \ubd80\ud558 \uadfc\ucc98\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\ub85c\ub4dc\ubcc4 RCD \uc720\ud615:<\/strong> <em>\uc720\ud615 A<\/em> (\uc77c\ubc18 \ub2e8\uc0c1 \uc804\uc790 \uc7a5\uce58), <em>\uc720\ud615 F<\/em> (\ub2e8\uc0c1 \ubcc0\ud658\uae30), <em>\uc720\ud615 B<\/em> (3\uc0c1 VFD\/\uc804\uae30\ucc28\/\ud0dc\uc591\uad11).<\/li>\n    <\/ul>\n\n    <p><strong>\ucc38\uc870:<\/strong>\n      <a href=\"https:\/\/www.iec.ch\/\" target=\"_blank\" rel=\"noopener\">IEC<\/a>\n      - <a href=\"https:\/\/www.nfpa.org\/codes-and-standards\" target=\"_blank\" rel=\"nofollow noopener\">NEC(NFPA)<\/a>\n      - <a href=\"https:\/\/www.ul.com\/\" target=\"_blank\" rel=\"nofollow noopener\">UL \ud45c\uc900<\/a>\n    <\/p>\n  <\/div>\n<\/section>\n\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-8a41821\" data-block-id=\"8a41821\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-8a41821-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-ad5533b\" data-v=\"4\" data-block-id=\"ad5533b\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-ad5533b-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-ad5533b-inner-blocks\">\n<!-- ===== SEC 04 \u2014 Layered Protection Architecture (DC: PV \/ ESS \/ EV) \u2014 updated: single external link only ===== -->\n<section id=\"sec04-arch-dc\" aria-label=\"\uacc4\uce35\ud654\ub41c \ubcf4\ud638 \uc544\ud0a4\ud14d\ucc98 - DC(PV\/ESS\/\uc804\uae30\ucc28)\">\n  <style>\n    \/* SEO-first: semantic H2\/H3 + lightweight inline CSS *\/\n    #sec04-arch-dc{padding:40px 16px;background:#fff;color:#111827}\n    #sec04-arch-dc .wrap{max-width:1120px;margin:0 auto}\n    #sec04-arch-dc h2{font:800 26px\/1.25 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:0 0 12px}\n    #sec04-arch-dc h3{font:700 18px\/1.35 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:20px 0 8px}\n    #sec04-arch-dc p{margin:0 0 12px}\n    #sec04-arch-dc ul{margin:0 0 12px 20px}\n    #sec04-arch-dc li{margin:6px 0}\n    #sec04-arch-dc a{color:#B5220E;text-decoration:underline}\n    \/* smaller visual for long image *\/\n    #sec04-arch-dc .img-graph{display:block;width:100%;max-width:720px;margin:10px auto;border-radius:8px}\n    #sec04-arch-dc .note{background:#fff7ed;border:1px solid #fed7aa;border-radius:10px;padding:12px;margin:14px 0}\n  <\/style>\n\n  <div class=\"wrap\">\n    <h2>\uacc4\uce35\ud654\ub41c \ubcf4\ud638 \uc544\ud0a4\ud14d\ucc98 - DC(PV\/ESS\/\uc804\uae30\ucc28)<\/h2>\n    <p>DC \ub4f1\uae09 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\uace0 <a href=\"https:\/\/cnkuangya.com\/ko\/dc-spd\/\">DC SPD<\/a> \uac01 \uc778\ud130\ud398\uc774\uc2a4(\uc5b4\ub808\uc774, DC \ubc84\uc2a4\/ESS, \uc778\ubc84\ud130\/\ucda9\uc804\uae30)\uc5d0\uc11c. \uc62c\ubc14\ub978 \uadf9\uc131, \uc9e7\uc740 \ub9ac\ub4dc, \uc77c\uad00\ub41c \ub4f1\uc804\uc704 \ubcf8\ub529 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc720\uc9c0\ud558\uc138\uc694. \uc8fc\uc694 \ud45c\uc900 \ucc38\uc870: <a href=\"https:\/\/www.iec.ch\/\" target=\"_blank\" rel=\"noopener\">IEC<\/a>.<\/p>\n\n    <!-- Mermaid #2 \u2192 Image #2 (compressed display) -->\n    <a href=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/mermaid2.jpeg\" target=\"_blank\" rel=\"noopener\">\n      <img class=\"img-graph\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/mermaid2.jpeg\"\n           alt=\"DC \ub808\uc774\uc5b4\ub4dc \uc6d0\ub77c\uc778: gPV \ud4e8\uc988 \ubc0f \uc720\ud615 1+2\/Type 2 DC SPD\uc640 \uacb0\ud569\ud558\ub294 PV \ubaa8\ub4c8, DC \uc544\uc774\uc194\ub808\uc774\ud130, \uc720\ud615 2 DC SPD\uac00 \uc788\ub294 ESS DC \ubc84\uc2a4, \uc778\ubc84\ud130 \ub610\ub294 DC EV \ucda9\uc804\uae30\ub97c AC \uc2dc\uc2a4\ud15c\/EV\uc5d0 \uc5f0\uacb0\ud569\ub2c8\ub2e4.\"\n           loading=\"lazy\" decoding=\"async\">\n    <\/a>\n\n    <h3>PV \uc5b4\ub808\uc774 \ubc0f \ucef4\ubc14\uc774\ub108<\/h3>\n    <ul>\n      <li>\uc2a4\ud2b8\ub9c1 \ubcf4\ud638(gPV \ud4e8\uc988)\ub97c \uc81c\uacf5\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/cnkuangya.com\/ko\/pv-combiner-box\/\">PV \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4<\/a>\ubb38\uc790\uc5f4 Isc \ubc0f \ub3c4\uccb4 \ub4f1\uae09\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n      <li>\uc124\uce58 <strong>\uc720\ud615 1+2 DC SPD<\/strong> \ubc88\uac1c\uc5d0 \ub178\ucd9c\ub41c \uc5b4\ub808\uc774\uc758 \uacbd\uc6b0, \uadf8\ub807\uc9c0 \uc54a\uc740 \uacbd\uc6b0 <strong>\uc720\ud615 2 DC SPD<\/strong> \ub97c \ucef4\ubc14\uc774\ub108 \ub610\ub294 \ubc30\uc5f4 \uc811\ud569 \uc9c0\uc810\uc5d0 \uc124\uc815\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>DC \uc808\uc5f0 \ubc0f \uc2a4\uc704\uce6d<\/h3>\n    <ul>\n      <li>\uc5b4\ub808\uc774\/\uc778\ubc84\ud130 \uadfc\ucc98\uc5d0 DC \uc544\uc774\uc194\ub808\uc774\ud130\ub97c \ubc30\uce58\ud558\uace0 \uc2dc\uc2a4\ud15c \uc804\uc555\uc5d0\uc11c DC \uc544\ud06c \ucc28\ub2e8\uc5d0 \ub300\ud574 \uac80\uc99d\ub41c \ucc28\ub2e8\uae30\/\uc811\ucd09\uae30\ub97c \uc0ac\uc6a9\ud558\uc138\uc694.<\/li>\n      <li>\ubd80\ud558 \uc0c1\ud0dc\uc5d0\uc11c\uc758 \uc2a4\uc704\uce6d\uc5d0 \ub300\ud55c \uc81c\uc870\uc5c5\uccb4 \uc81c\ud55c\uc744 \uc900\uc218\ud558\uace0, \ud574\ub2f9\ub418\ub294 \uacbd\uc6b0 \uc791\ub3d9 \uc21c\uc11c\ub97c \ud45c\uc2dc\ud558\uc138\uc694.<\/li>\n    <\/ul>\n\n    <h3>ESS DC \ubc84\uc2a4<\/h3>\n    <ul>\n      <li>\ubc30\ud130\ub9ac\/DC \ubc84\uc2a4 \uc785\uad6c\uc5d0 \ub2e4\uc74c\uc744 \uc124\uce58\ud569\ub2c8\ub2e4. <strong>\uc720\ud615 2 DC SPD<\/strong> \uc5c5\uc2a4\ud2b8\ub9bc \ubcf4\ud638 \ubc0f \uc2dc\uc2a4\ud15c SCCR\uacfc \uc870\uc815\ub429\ub2c8\ub2e4.<\/li>\n      <li>SPD \ub9ac\ub4dc\ub97c \uc9e7\uace0 PE\uc640 \ud3c9\ud589\ud558\uac8c \uc720\uc9c0\ud558\uba70 \uc8fc \ub4f1\uc804\uc704 \ub178\ub4dc\uc5d0 \ubcf8\ub529\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>\uc778\ubc84\ud130 \/ DC EV \ucda9\uc804\uae30 \uc778\ud130\ud398\uc774\uc2a4<\/h3>\n    <ul>\n      <li>\uc778\ubc84\ud130\/\ucda9\uc804\uae30 DC \uc785\ub825\uc5d0 \uac00\uae4c\uc6b4 \uacf3\uc5d0 DC SPD\ub97c \ubc30\uce58\ud558\uc5ec \uc804\ub825 \uc804\uc790\uc7a5\uce58\uc758 \uc794\ub958 \uc11c\uc9c0 \uc804\uc555\uc744 \uc81c\ud55c\ud558\uc138\uc694.<\/li>\n      <li>EV \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 DC \uce21\uc744 \uc801\uc808\ud55c AC \uce21 \ubcf4\ud638 \uc7a5\uce58(\uc608: \uc9c0\uc5ed \ucf54\ub4dc\uc5d0 \ub530\ub77c \uc694\uad6c\ub418\ub294 RCD \uc720\ud615 B\/RDC-DD)\uc640 \ud398\uc5b4\ub9c1\ud558\uc138\uc694.<\/li>\n    <\/ul>\n\n    <div class=\"note\">\n      <p><strong>\ucf54\ub514 \ud301:<\/strong> SPD \ub2e8\uacc4 \uac04 \uac70\ub9ac\/\ub514\ucee4\ud50c\ub9c1 \uc900\uc218, \ucf00\uc774\ube14 \uae38\uc774 \ubb38\uc11c\ud654, \ud1b5\uc804 \uc804 \uadf9\uc131 \ubc0f \uc811\uc9c0 \ubc29\uc2dd(TN\/TT\/IT) \ud655\uc778.<\/p>\n    <\/div>\n  <\/div>\n<\/section>\n\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-6382b3f\" data-block-id=\"6382b3f\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-6382b3f-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-40f1b50\" data-v=\"4\" data-block-id=\"40f1b50\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-40f1b50-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-40f1b50-inner-blocks\">\n<!-- ===== SEC 05 \u2014 Protection Selection Workflow ===== -->\n<section id=\"sec05-selection\" aria-label=\"\ubcf4\ud638 \uc120\ud0dd \uc6cc\ud06c\ud50c\ub85c\">\n  <style>\n    \/* SEO-first: semantic H2\/H3 + lightweight inline CSS *\/\n    #sec05-selection{padding:40px 16px;background:#fff;color:#111827}\n    #sec05-selection .wrap{max-width:1120px;margin:0 auto}\n    #sec05-selection h2{font:800 26px\/1.25 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:0 0 12px}\n    #sec05-selection h3{font:700 18px\/1.35 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:20px 0 8px}\n    #sec05-selection p{margin:0 0 12px}\n    #sec05-selection ul{margin:0 0 12px 20px}\n    #sec05-selection li{margin:6px 0}\n    #sec05-selection a{color:#B5220E;text-decoration:underline}\n    \/* smaller visual for long image *\/\n    #sec05-selection .img-graph{display:block;width:100%;max-width:720px;margin:10px auto;border-radius:8px}\n  <\/style>\n\n  <div class=\"wrap\">\n    <h2>\ubcf4\ud638 \uc120\ud0dd \uc6cc\ud06c\ud50c\ub85c<\/h2>\n    <p>\ub2e4\uc74c \uc6cc\ud06c\ud50c\ub85c\uc6b0\uc5d0 \ub530\ub77c \ud06c\uae30\ub97c \uc870\uc815\ud558\uc138\uc694. <a href=\"https:\/\/cnkuangya.com\/ko\/rccb\/\">RCD<\/a>, <a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a>, <a href=\"https:\/\/cnkuangya.com\/ko\/afdd\/\">AFDD<\/a>\ubc0f AC\/DC \uc2dc\uc2a4\ud15c\uc6a9 \uacfc\uc804\ub958\/SPD \uc7a5\uce58. \uc6d0\ub77c\uc778\uacfc \ud568\uaed8 \uc0ac\uc6a9\ud558\uc5ec \uc120\ud0dd\uc131\uacfc \uaddc\uc815 \uc900\uc218\ub97c \uc720\uc9c0\ud558\uc138\uc694.<\/p>\n\n    <!-- Mermaid #3 \u2192 Image #3 (smaller rendering) -->\n    <a href=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/mermeid3-scaled.jpeg\" target=\"_blank\" rel=\"noopener\">\n      <img class=\"img-graph\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/mermeid3-scaled.jpeg\"\n           alt=\"\uc758\uc0ac \uacb0\uc815 \ud750\ub984: AC\/DC \ubd84\uae30 \u2192 \uacfc\uc804\ub958 \ud06c\uae30 \uc870\uc815 \u2192 RCD \uc720\ud615 A\/F\/B\ub97c \uc0ac\uc6a9\ud55c \ucda9\uaca9\/\ud654\uc7ac \ubcf4\ud638 \u2192 AFDD \ud544\uc694 \u2192 SPD \uc720\ud615 \uc120\ud0dd \ubc0f \ucd5c\uc885 \uc0ac\uc591\"\n           loading=\"lazy\" decoding=\"async\">\n    <\/a>\n\n    <h3>\uacfc\uc804\ub958 \uc0ac\uc774\uc9d5(MCB\/MCCB\/\ud4e8\uc988)<\/h3>\n    <ul>\n      <li>\uc608\uc0c1 \ub2e8\ub77d \uc804\ub958\ub97c \uacc4\uc0b0\ud558\uace0 \uc801\uc808\ud55c I\ub97c \uac00\uc9c4 MCB\/MCCB\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<em>cu<\/em>\/I<em>cs<\/em> (\ub610\ub294 \ud4e8\uc988 \ucc28\ub2e8 \uc6a9\ub7c9).<\/li>\n      <li>\uc5ec\ud589 \uace1\uc120 \uc120\ud0dd <strong>B\/C\/D<\/strong> \ub97c \uc0ac\uc6a9\ud558\uc5ec \ub3cc\uc785 \ubc0f \ubd80\ud558 \ud504\ub85c\ud30c\uc77c\uc744 \uc77c\uce58\uc2dc\ud0a4\uace0, \ub3c4\uccb4 \uc5f4 \uc81c\ud55c \ubc0f \uc628\ub3c4 \uac10\uc18d\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>\uc794\ub958 \uc804\ub958 \ubcf4\ud638(\ucda9\uaca9\/\ud654\uc7ac)<\/h3>\n    <ul>\n      <li><strong>\ucd94\uac00\uc801\uc778 \ucda9\uaca9 \ubcf4\ud638 \uae30\ub2a5:<\/strong> \u226430mA via <a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a> \ub610\ub294 <a href=\"https:\/\/cnkuangya.com\/ko\/rccb\/\">RCCB<\/a>+MCB\u3002<\/li>\n      <li><strong>\ud30c\ud615\ubcc4 \uc720\ud615 \uc120\ud0dd:<\/strong> \uc720\ud615 <strong>A<\/strong> (\uc77c\ubc18 \ub2e8\uc0c1 \uc804\uc790 \uc7a5\uce58), \uc720\ud615 <strong>F<\/strong> (\ub2e8\uc0c1 \ucee8\ubc84\ud130\/SMPS), \uc720\ud615 <strong>B<\/strong> (3\uc0c1 VFD \/ EV \/ PV \uc778\ubc84\ud130)\u3002<\/li>\n      <li><strong>\ud654\uc7ac\/\ubc31\uc5c5:<\/strong> \uc120\ud0dd\uc801(<em>\uc720\ud615 S<\/em>) \uc2dc\uac04 \uc120\ud0dd\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574 \ud5c8\uc6a9\ub418\ub294 \uacbd\uc6b0 100-300mA \uc5c5\uc2a4\ud2b8\ub9bc.<\/li>\n    <\/ul>\n\n    <h3>\uc544\ud06c \uacb0\ud568 \uc644\ud654(AFDD)<\/h3>\n    <ul>\n      <li>\uc0ac\uc6a9 <a href=\"https:\/\/cnkuangya.com\/ko\/afdd\/\">AFDD<\/a> \uace0\uc704\ud5d8 \ucd5c\uc885 \ud68c\ub85c(\uc218\uba74 \uc601\uc5ed, \ub178\ud6c4 \ubc30\uc120, \uac00\uc5f0\uc131 \uc8fc\ubcc0 \ud658\uacbd)\uc5d0\uc11c MCB\uc640 \uacb0\ud569\ub418\uac70\ub098 RCBO\uc5d0 \ub0b4\uc7a5\ub418\uc5b4 \uc788\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>\uc11c\uc9c0 \ubcf4\ud638 \uacc4\ud68d<\/h3>\n    <ul>\n      <li>\ub099\ub8b0\/\uc2a4\uc704\uce6d \uc704\ud5d8\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4: \uc720\ud615 <strong>1\/1+2<\/strong> \uc11c\ube44\uc2a4 \uc2dc, \uc720\ud615 <strong>2<\/strong> \ud558\uc704 \ubc30\ud3ec\uc5d0\uc11c \uc720\ud615 <strong>3<\/strong> \ubbfc\uac10\ud55c \ubd80\ud558 \uadfc\ucc98(<a href=\"https:\/\/cnkuangya.com\/ko\/ac-spd\/\">AC SPD<\/a>).<\/li>\n      <li>PV\/ESS\/EV\uc758 \uacbd\uc6b0, \ub2e4\uc74c\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4. <a href=\"https:\/\/cnkuangya.com\/ko\/dc-spd\/\">DC SPD<\/a> by U<sub>cpv<\/sub>\/U<sub>c<\/sub>, U<sub>p<\/sub>\ubc0f \uc778\/\ub9e5\uc2a4; \ub9ac\ub4dc\ub97c \uc9e7\uac8c \uc720\uc9c0\ud558\uace0 \ubcf8\ub529\ud558\uc138\uc694.<\/li>\n    <\/ul>\n\n    <h3>Selectivity &#038; Coordination<\/h3>\n    <ul>\n      <li>RCD \ub4f1\uae09: \uc5c5\uc2a4\ud2b8\ub9bc \uc120\ud0dd\ud615 100-300mA \u2192 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \u226430mA, \ud30c\ud615\ubcc4 \ub9e4\uce6d \uc720\ud615.<\/li>\n      <li>MCB\/MCCB: \uc81c\uc870\uc5c5\uccb4\uc758 \uacc4\ub2e8\uc2dd\/\uc120\ud0dd\ud615 \ucc28\ud2b8 \ud655\uc778, \uc5c5\uc2a4\ud2b8\ub9bc \ub514\ubc14\uc774\uc2a4 \ub0b4\uad6c\uc131 \ud655\uc778.<\/li>\n      <li>SPD \ub2e8\uacc4: \uc720\ud615 2\uc640 \ubd80\ud558 \uc0ac\uc774\uc758 \uac70\ub9ac\/\ub514\ucee4\ud50c\ub9c1\uc744 \uc720\uc9c0\ud558\uace0, \uc2e4\ud589\uc774 \uae34 \uacbd\uc6b0 \uc720\ud615 3\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <p><strong>\uc8fc\uc694 \ud45c\uc900 \ucc38\uc870:<\/strong> <a href=\"https:\/\/www.iec.ch\/\" target=\"_blank\" rel=\"noopener\">IEC<\/a>.<\/p>\n  <\/div>\n<\/section>\n\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-935a9e2\" data-block-id=\"935a9e2\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-935a9e2-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-a4baebc\" data-v=\"4\" data-block-id=\"a4baebc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-a4baebc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-a4baebc-inner-blocks\">\n<!-- ===== SEC 06 \u2014 Installation & Commissioning Best Practices ===== -->\n<section id=\"sec06-installation\" aria-label=\"\uc124\uce58 \ubc0f \uc2dc\uc6b4\uc804 \ubaa8\ubc94 \uc0ac\ub840\">\n  <style>\n    \/* SEO-first: H2\/H3 structure + lightweight inline CSS, no placeholders *\/\n    #sec06-installation{padding:40px 16px;background:#fff;color:#111827}\n    #sec06-installation .wrap{max-width:1120px;margin:0 auto}\n    #sec06-installation h2{font:800 26px\/1.25 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:0 0 12px}\n    #sec06-installation h3{font:700 18px\/1.35 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:20px 0 8px}\n    #sec06-installation p{margin:0 0 12px}\n    #sec06-installation ul{margin:0 0 12px 20px}\n    #sec06-installation li{margin:6px 0}\n    #sec06-installation a{color:#B5220E;text-decoration:underline}\n    \/* smaller visual for long image *\/\n    #sec06-installation .img-graph{display:block;width:100%;max-width:720px;margin:10px auto;border-radius:8px}\n    #sec06-installation .callout{background:#fff7ed;border:1px solid #fed7aa;border-radius:10px;padding:12px;margin:14px 0}\n  <\/style>\n\n  <div class=\"wrap\">\n    <h2>Installation &#038; Commissioning Best Practices<\/h2>\n    <p>\uc774 \uc2e4\uc6a9\uc801\uc778 \uccb4\ud06c\ub9ac\uc2a4\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc124\uce58 \ubc0f \ud655\uc778\uc744 \uc218\ud589\ud558\uc138\uc694. <a href=\"https:\/\/cnkuangya.com\/ko\/ac-spd\/\">SPD<\/a>, <a href=\"https:\/\/cnkuangya.com\/ko\/rccb\/\">RCD<\/a>\/<a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a>\ubc0f <a href=\"https:\/\/cnkuangya.com\/ko\/afdd\/\">AFDD<\/a> \uc120\ud0dd\uc131\uacfc \uaddc\uc815 \uc900\uc218\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4. \ucd5c\uc2e0 \uaddc\ubc94 \uc9c0\uce68\uc740 \ub2e4\uc74c\uc744 \ucc38\uc870\ud558\uc138\uc694. <a href=\"https:\/\/www.iec.ch\/\" target=\"_blank\" rel=\"noopener\">IEC<\/a>.<\/p>\n\n    <!-- Mermaid #4 \u2192 Image #4 (smaller rendering) -->\n    <a href=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/mermaid4.jpeg\" target=\"_blank\" rel=\"noopener\">\n      <img class=\"img-graph\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/mermaid4.jpeg\"\n           alt=\"\uacc4\uce35\ud615 \ubcf4\ud638 \uc124\uce58 \ubc0f \uc2dc\uc6b4\uc804\uc744 \uc704\ud55c \ubaa8\ubc94 \uc0ac\ub840 \uac1c\uc694 \ub2e4\uc774\uc5b4\uadf8\ub7a8\"\n           loading=\"lazy\" decoding=\"async\">\n    <\/a>\n\n    <h3>Cabling, Bonding &#038; Earthing<\/h3>\n    <ul>\n      <li><strong>\ub4f1\uc804\uc704 \ubcf8\ub529:<\/strong> \ubaa8\ub4e0 \uae08\uc18d \uc11c\ube44\uc2a4\ub97c \uc8fc \uc811\uc9c0 \ub2e8\uc790(MET)\uc5d0 \ubcf8\ub529\ud558\uace0, \ubcf8\ub529 \ub3c4\uccb4\ub97c \uc5f0\uc18d\uc801\uc774\uace0 \uc801\uc808\ud55c \ud06c\uae30\ub85c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>SPD \ub9ac\ub4dc:<\/strong> \uc704\uc0c1\/\uc911\uc131\/PE \ub3c4\uccb4\ub97c \uc9e7\uace0, \uc9c1\uc120\ud615\uc73c\ub85c \ud568\uaed8 \ub77c\uc6b0\ud305\ud558\uace0, \ucd1d \ub8e8\ud504 \uae38\uc774\ub97c 0.5m \ubbf8\ub9cc\uc73c\ub85c \uc720\uc9c0\ud558\ub294 \uac83\uc774 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/li>\n      <li><strong>Twisting &#038; loop area:<\/strong> \uc704\uc0c1\/\uc911\ub9bd\uc744 \ube44\ud2c0\uc5b4 SPD\uc758 \ub8e8\ud504 \uc601\uc5ed\uc744 \ucd5c\uc18c\ud654\ud558\uace0 \uc720\ub3c4 \uc804\uc555\uc744 \uc904\uc785\ub2c8\ub2e4.<\/li>\n      <li><strong>\uc811\uc9c0 \uacc4\ud68d:<\/strong> \uc124\uce58 \uc804\uc5d0 TN\/TT\/IT \uccb4\uacc4\ub97c \ud655\uc778\ud558\uace0, \ud558\uc774\ube0c\ub9ac\ub4dc \uc2dc\uc2a4\ud15c\uc5d0\uc11c AC \ubc0f DC \uce21\uc5d0 \uc77c\uad00\ub41c \ucc38\uc870\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>SPD \uc2a4\ud14c\uc774\uc9d5 \ubc0f \uc870\uc815<\/h3>\n    <ul>\n      <li><strong>\uc11c\ube44\uc2a4\uc5d0\uc11c\ub294 1\/1+2 \uc720\ud615, SMDB\uc5d0\uc11c\ub294 2 \uc720\ud615, \uc0ac\uc6a9 \uc9c0\uc810\uc5d0\uc11c\ub294 3 \uc720\ud615\uc785\ub2c8\ub2e4:<\/strong> \uc2a4\ud14c\uc774\uc9c0 \uc5d0\ub108\uc9c0 \ub4f1\uae09\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\uac70\ub9ac\/\ub514\ucee4\ud50c\ub9c1:<\/strong> \ubbfc\uac10\ud55c \uc7a5\ube44\uc5d0 \ub2e8\uac70\ub9ac\ub85c \uc5f0\uacb0\ud560 \ub54c\ub294 \uc5c5\uc2a4\ud2b8\ub9bc \uc7a5\uce58\uc5d0 \uacfc\ub3c4\ud55c \uc2a4\ud2b8\ub808\uc2a4\ub97c \uc8fc\uc9c0 \uc54a\ub3c4\ub85d \uc720\ud615 3 \ub610\ub294 \ub514\ucee4\ud50c\ub9c1 \uc778\ub355\ud134\uc2a4\ub97c \ucd94\uac00\ud558\uc138\uc694.<\/li>\n      <li><strong>Backup protection &#038; SCCR:<\/strong> \uc5c5\uc2a4\ud2b8\ub9bc OCPD \ubc0f \ub2e8\ub77d \uc804\ub958 \uc815\uaca9\uc5d0 \ub300\ud55c \uc81c\uc870\uc5c5\uccb4 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>RCD Grading &#038; Nuisance Trip Avoidance<\/h3>\n    <ul>\n      <li><strong>\uc2dc\uac04 \ucc44\uc810:<\/strong> \uc120\ud0dd\uc801(<em>\uc720\ud615 S<\/em>) 100-300mA \uc5c5\uc2a4\ud2b8\ub9bc \u2192 \u226430mA \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc\uc73c\ub85c \ucd94\uac00\uc801\uc778 \ucda9\uaca9 \ubcf4\ud638\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\ud30c\ud615\ubcc4\ub85c \uc785\ub825\ud569\ub2c8\ub2e4:<\/strong> <em>\uc720\ud615 A<\/em> (\uc77c\ubc18 \ub2e8\uc0c1), <em>\uc720\ud615 F<\/em> (\ub2e8\uc0c1 \ubcc0\ud658\uae30), <em>\uc720\ud615 B<\/em> (3\uc0c1 VFD\/EV\/PV). \ucc38\uace0 \ud56d\ubaa9 <a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a> \uc120\ud0dd \ub178\ud2b8.<\/li>\n      <li><strong>\ub204\uc218 \uc608\uc0b0 \uad00\ub9ac:<\/strong> \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc7a5\ube44\uc758 \uc608\uc0c1 \ub204\ucd9c\uc744 \ud569\uc0b0\ud558\uc5ec \ub9c8\uc9c4\uc744 \ud2b8\ub9bd \uc218\uc900\uc73c\ub85c \uc720\uc9c0\ud558\uace0, \uac19\uc740 \uc9c0\uc810\uc5d0\uc11c \ud638\ud658\ub418\uc9c0 \uc54a\ub294 RCD \uc720\ud615\uc744 \ud63c\ud569\ud558\uc9c0 \uc54a\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>AFDD \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/h3>\n    <ul>\n      <li>\ud654\uc7ac \uc704\ud5d8\uc774 \ub192\uc740 \ud68c\ub85c(\uc218\uba74 \uacf5\uac04, \uac00\uc5f0\uc131 \uc8fc\ubcc0, \ub178\ud6c4\ud654\ub41c \ubc30\uc120, \ud734\ub300\uc6a9 \ubd80\ud558\uac00 \uc788\ub294 \ucf58\uc13c\ud2b8)\ub97c \uc6b0\uc120\uc801\uc73c\ub85c \uad00\ub9ac\ud558\uc138\uc694.<\/li>\n      <li>AFDD+MCB \ub610\ub294 AFDD-RCBO \uc870\ud569\uc744 \uc0ac\uc6a9\ud558\uace0, \uc5c5\uc2a4\ud2b8\ub9bc RCD \ubc0f MCB \ud2b8\ub9bd \ucee4\ube0c\uc640\uc758 \ud638\ud658\uc131\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>Labeling &#038; Documentation<\/h3>\n    <ul>\n      <li>\ubaa8\ub4e0 \ubcf4\ud638 \uc7a5\uce58\uc5d0 \uc815\uaca9, \uace1\uc120, \uac10\ub3c4 \ubc0f \uc124\uce58 \ub0a0\uc9dc\ub97c \ud45c\uc2dc\ud558\uace0 SPD \ub2e8\uacc4 \ubc0f U\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<sub>c<\/sub>\/U<sub>p<\/sub>.<\/li>\n      <li>SPD \uc870\uc815\uacfc \uad00\ub828\ub41c \ucf00\uc774\ube14 \uae38\uc774\ub97c \uae30\ub85d\ud558\uace0, O&amp;M \ud328\ud0a4\uc9c0\uc640 \ud568\uaed8 \uc870\uc815\/\uc120\ud0dd\uc131 \ucc28\ud2b8\ub97c \ubcf4\uad00\ud558\uc138\uc694.<\/li>\n    <\/ul>\n\n    <h3>\uc2dc\uc6b4\uc804 \ud14c\uc2a4\ud2b8<\/h3>\n    <ul>\n      <li><strong>Continuity &#038; insulation resistance:<\/strong> PE \uc5f0\uc18d\uc131 \uac80\uc99d, IR \uce21\uc815 \ubc0f \ud504\ub85c\uc81d\ud2b8 \uc784\uacc4\uac12\uacfc \ube44\uad50.<\/li>\n      <li><strong>\uc811\uc9c0 \ub8e8\ud504 \uc784\ud53c\ub358\uc2a4\/\uace0\uc7a5 \uc804\ub958:<\/strong> \uc120\ud0dd\ud55c MCB\/MCCB\ub85c \uc5f0\uacb0 \ud574\uc81c \uc2dc\uac04\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>RCD \ud14c\uc2a4\ud2b8:<\/strong> \ubaa8\ub4e0 RCD\/RCBO \uc7a5\uce58\uc5d0 \ub300\ud55c \ud2b8\ub9bd \uc2dc\uac04 \ubc0f \ud2b8\ub9bd \uc804\ub958 \ud14c\uc2a4\ud2b8, \uc5c5\uc2a4\ud2b8\ub9bc \uc7a5\uce58\ub85c \uc120\ud0dd\uc131\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>SPD \uc810\uac80:<\/strong> \ud45c\uc2dc\uae30\/\ud4e8\uc988 \ud655\uc778, \ubcf8\ub529 \ubc0f \ub9ac\ub4dc \uae38\uc774 \ud655\uc778, \ub85c\uadf8 \ubaa8\ub378 \ubc0f \uc2a4\ud14c\uc774\uc9c0 \ud655\uc778.<\/li>\n      <li><strong>\uae30\ub2a5 \ud14c\uc2a4\ud2b8:<\/strong> \ub808\uc774\uc5b4\ubcc4(\uc11c\ube44\uc2a4 \u2192 SMDB \u2192 \ucd5c\uc885)\ub85c \ud65c\uc131\ud654\ud558\uace0 \uacb0\uacfc \ubc0f \uc124\uc815\uc744 \ubb38\uc11c\ud654\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <div class=\"callout\">\n      <p><strong>\uc720\uc9c0 \uad00\ub9ac:<\/strong> RCD \ud2b8\ub9bd \uae30\ub2a5, SPD \ud45c\uc2dc\uae30, \uc870\uc784 \ud1a0\ud06c \ub85c\uadf8, \uace0\uc804\ub958 \uc870\uc778\ud2b8\uc758 \uc5f4 \uc2a4\uce94\uc744 \uc8fc\uae30\uc801\uc73c\ub85c \uac80\uc0ac\ud558\ub3c4\ub85d \uc77c\uc815\uc744 \uc7a1\uc73c\uc138\uc694. \uc7a5\uce58\ub97c \uad50\uccb4\ud55c \ud6c4\uc5d0\ub294 \ubb38\uc11c\ub97c \uc5c5\ub370\uc774\ud2b8\ud558\uc138\uc694.<\/p>\n    <\/div>\n  <\/div>\n<\/section>\n\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-144560f\" data-block-id=\"144560f\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-144560f-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-351046b\" data-v=\"4\" data-block-id=\"351046b\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-351046b-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-351046b-inner-blocks\">\n<!-- ===== SEC 07 \u2014 RCD Type Selection & Application Rules ===== -->\n<section id=\"sec07-rcd-rules\" aria-label=\"RCD \uc720\ud615 \uc120\ud0dd \ubc0f \uc801\uc6a9 \uaddc\uce59\">\n  <style>\n    \/* SEO-first: semantic H2\/H3 + lightweight inline CSS *\/\n    #sec07-rcd-rules{padding:40px 16px;background:#fff;color:#111827}\n    #sec07-rcd-rules .wrap{max-width:1120px;margin:0 auto}\n    #sec07-rcd-rules h2{font:800 26px\/1.25 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:0 0 12px}\n    #sec07-rcd-rules h3{font:700 18px\/1.35 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:20px 0 8px}\n    #sec07-rcd-rules p{margin:0 0 12px}\n    #sec07-rcd-rules ul{margin:0 0 12px 20px}\n    #sec07-rcd-rules li{margin:6px 0}\n    #sec07-rcd-rules a{color:#B5220E;text-decoration:underline}\n    #sec07-rcd-rules .note{background:#fff7ed;border:1px solid #fed7aa;border-radius:10px;padding:12px;margin:14px 0}\n  <\/style>\n\n  <div class=\"wrap\">\n    <h2>RCD \uc720\ud615 \uc120\ud0dd \ubc0f \uc801\uc6a9 \uaddc\uce59<\/h2>\n    <p>\uc774 \uc139\uc158\uc5d0\uc11c \ub2e4\uc74c \uc911 \ud558\ub098\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. <a href=\"https:\/\/cnkuangya.com\/ko\/rccb\/\">RCCB<\/a> \ubc0f <a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a> \uc720\ud615(A\/F\/B\/S)\uacfc \ud568\uaed8 \ubc30\ud3ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/cnkuangya.com\/ko\/afdd\/\">AFDD<\/a> \ubc0f <a href=\"https:\/\/cnkuangya.com\/ko\/ac-spd\/\">AC SPD<\/a> \uc120\ud0dd\uc131\uacfc \uac00\ub3d9 \uc2dc\uac04\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n\n    <h3>\uac01 RCD \uc720\ud615\ubcc4 \uc0ac\uc6a9 \uc2dc\uae30<\/h3>\n    <ul>\n      <li><strong>AC \uc720\ud615<\/strong> - \uc21c\uc218 \uc815\ud604\ud30c AC \ubd80\ud558 \uc804\uc6a9\uc785\ub2c8\ub2e4. \ucd5c\uc2e0 \ud63c\ud569 \ubd80\ud558 \uc124\uce58\uc5d0\ub294 \uac70\uc758 \uad8c\uc7a5\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n      <li><strong>\uc720\ud615 A<\/strong> - \ubc18\ud30c \uc815\ub958 \uae30\ub2a5\uc774 \uc788\ub294 \ub2e8\uc0c1 \uc804\uc790\uc81c\ud488: SMPS, \uc778\ub355\uc158 \ucfe0\ucee4, \ub9ce\uc740 \uc0ac\ubb34\uc2e4\/IT \ubd80\ud558.<\/li>\n      <li><strong>\uc720\ud615 F<\/strong> - \ub2e8\uc0c1 \uc8fc\ud30c\uc218 \ubcc0\ud658\uae30\/\uc778\ubc84\ud130\uc640 \ud63c\ud569 \uc8fc\ud30c\uc218 \ubc0f \ub354 \ub192\uc740 DC \uad6c\uc131 \uc694\uc18c: \ud504\ub9ac\ubbf8\uc5c4 \uac00\uc804 \uc81c\ud488, \ud788\ud2b8 \ud38c\ud504, \uc77c\ubd80 HVAC \ub4dc\ub77c\uc774\ube0c.<\/li>\n      <li><strong>\uc720\ud615 B<\/strong> - 3\uc0c1 VFD, PV \uc778\ubc84\ud130, DC \uad6c\uc131 \uc694\uc18c\uac00 \uc788\ub294 UPS, \uadf8\ub9ac\uace0 <em>EV \ucda9\uc804\uae30<\/em>. \uc6d0\ud65c\ud55c DC \ub204\ucd9c\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uc9c0\uc810\uc5d0 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\uc720\ud615 S(\uc120\ud0dd\ud615)<\/strong> - \ud654\uc7ac \ubc29\uc9c0 \ubc0f \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc120\ud0dd\uc131 \uc720\uc9c0\ub97c \uc704\ud55c \uc5c5\uc2a4\ud2b8\ub9bc \uc2dc\uac04 \uc9c0\uc5f0 \uc7a5\uce58(\uc77c\ubc18\uc801\uc73c\ub85c 100-300mA).<\/li>\n    <\/ul>\n\n    <h3>\uac10\ub3c4 \ubc0f \ubc30\uce58<\/h3>\n    <ul>\n      <li><strong>\ucd94\uac00\uc801\uc778 \ucda9\uaca9 \ubcf4\ud638 \uae30\ub2a5:<\/strong> \uc0ac\uc6a9 \u2264 <strong>30mA<\/strong> \ucd5c\uc885 \ud68c\ub85c(\uc18c\ucf13, \uc2b5\ud55c \uc9c0\uc5ed, \ud734\ub300\uc6a9 \ubd80\ud558)\uc5d0\uc11c. \uc120\ud638 <a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a> \ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\ub978 \ud68c\ub85c\uc758 \uc190\uc2e4 \uc5c6\uc774 \uc624\ub958\ub97c \uaca9\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n      <li><strong>\uadf8\ub8f9\/\ubc31\uc5c5 \ubcf4\ud638:<\/strong> \uc5c5\uc2a4\ud2b8\ub9bc 100-300 mA <strong>\uc720\ud615 S<\/strong> \ud5c8\uc6a9\ub418\ub294 \uacbd\uc6b0 \ud654\uc7ac \uc608\ubc29\uc744 \uc704\ud574 <em>\ud558\uc9c0<\/em> \uc9c1\uc811 \uc811\ucd09 \ubcf4\ud638\ub97c \uc704\ud574 \uc0ac\uc6a9\ud558\uc138\uc694.<\/li>\n      <li><strong>EV\/PV\/VFD \ube0c\ub79c\uce58:<\/strong> \ub2e4\uc74c \ub300\uc0c1\uc5d0 \ub300\ud55c \uacc4\ud68d <strong>\uc720\ud615 B<\/strong> \ub610\ub294 \uc81c\uc870\uc5c5\uccb4\uac00 \uc2b9\uc778\ud55c \ub300\uccb4\ud488\uc744 \uc0ac\uc6a9\ud558\uba70, RCD\ub97c \uc9c0\uc810 \uc6d0\uc810\uc5d0 \ucd5c\ub300\ud55c \uac00\uae5d\uac8c \uc720\uc9c0\ud558\uc138\uc694.<\/li>\n    <\/ul>\n\n    <h3>\uc120\ud0dd\ub3c4(\uc2dc\uac04 \ubc0f \uc720\ud615 \ucc44\uc810)<\/h3>\n    <ul>\n      <li><strong>\uc2dc\uac04:<\/strong> \uc5c5\uc2a4\ud2b8\ub9bc \uc120\ud0dd\uc801(\uc720\ud615 S) \u2192 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc21c\uac04\uc801(\u226430mA). \ub204\uc801 \uc9c0\uc5f0\uc744 \ud655\uc778\ud558\uc5ec \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc\uc774 \uba3c\uc800 \ud2b8\ub9bd\ub418\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\uc720\ud615:<\/strong> \ubbfc\uac10\ud55c \uc720\ud615\uc744 \ubcf4\ub2e4 \ub0b4\uc131\uc774 \uac15\ud55c \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc720\ud615\uc758 \uc5c5\uc2a4\ud2b8\ub9bc\uc5d0 \ubc30\uce58\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624(\uc608: VFD \ub77c\uc778\uc5d0\uc11c \uc720\ud615 A\ub97c \uc720\ud615 B\uc758 \uc5c5\uc2a4\ud2b8\ub9bc\uc5d0 \ubc30\uce58).<\/li>\n      <li><strong>MCB\/MCCB\uc640\uc758 \uc870\uc815:<\/strong> \ucc28\ub2e8 \uc6a9\ub7c9\uacfc \uc5d0\ub108\uc9c0 \ubc29\ucd9c\ub7c9\uc744 \ud655\uc778\ud558\uace0, \uacc4\ub2e8\uc2dd \ubcf4\ud638\uc5d0 \ub300\ud55c \uc81c\uc870\uc5c5\uccb4 \uc120\ud0dd\uc131 \ud45c\ub97c \ud655\uc778\ud558\uc138\uc694.<\/li>\n    <\/ul>\n\n    <h3>\uc131\uac00\uc2e0 \ud2b8\ub9bd \uc81c\uc5b4<\/h3>\n    <ul>\n      <li><strong>\ub204\uc218 \uc608\uc0b0 \uad00\ub9ac:<\/strong> \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \ub514\ubc14\uc774\uc2a4\uc758 \uc815\uc0c1\uc801\uc778 \ub204\uc124\uc744 \ucd94\uc815\ud558\uace0 \ud2b8\ub9bd \ub808\ubca8\uc5d0 \ub300\ud55c \ub9c8\uc9c4\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4(\uacbd\ud5d8 \ubc95\uce59 \u2264 30-40%\uc758 I<sub>\u0394n<\/sub> \uc815\uc0c1 \uc791\ub3d9 \uc2dc).<\/li>\n      <li><strong>EMI \ubc0f \uace0\uc870\ud30c:<\/strong> PE\/\uc911\ub9bd\uc744 \uc801\uc808\ud788 \ub77c\uc6b0\ud305\ud558\uace0, \ud2b8\ub9bd\uc774 \ubc1c\uc0dd\ud558\ub294 \uacbd\uc6b0 \ub2e8\uc77c 30mA \uc7a5\uce58\uc5d0 \uc5ec\ub7ec \uac1c\uc758 SMPS\ub97c \ud63c\ud569\ud558\uc9c0 \ub9d0\uace0 \uc5ec\ub7ec \uac1c\uc758 RCBO\ub85c \ubd84\ud560\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\uacf5\uc720 \uc911\ub9bd:<\/strong> \uc11c\ub85c \ub2e4\ub978 RCD \ud68c\ub85c \uac04\uc5d0 \uc911\ub9bd\uc744 \uacf5\uc720\ud558\uc9c0 \ub9d0\uace0 \ub3d9\uc77c\ud55c RCD\ub97c \ud1b5\ud574 \uc815\ud655\ud55c \ud68c\ub85c \uc911\ub9bd\uc744 \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>\uc2dc\uc2a4\ud15c \uc811\uc9c0\ub97c \uc704\ud55c \ud2b9\ubcc4 \ucc38\uace0 \uc0ac\ud56d<\/h3>\n    <ul>\n      <li><strong>TN \uc2dc\uc2a4\ud15c:<\/strong> \ubd80\ud558 \ud2b9\uc131\uc5d0 \ub530\ub978 \uc815\uc0c1\uc801\uc778 RCD \uc0ac\uc6a9\ub7c9, \ub4f1\uc804\uc704 \ubcf8\ub529\uc774 \uc81c\ub300\ub85c \uc774\ub8e8\uc5b4\uc84c\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>TT \uc2dc\uc2a4\ud15c:<\/strong> RCD\ub294 \uc8fc\uc694 \ucc28\ub2e8 \uc218\ub2e8\uc73c\ub85c, \ucc28\ub2e8 \uc2dc\uac04\uc744 \ucda9\uc871\ud558\uae30 \uc704\ud574 \uc811\uc9c0 \uc804\uadf9 \uc800\ud56d\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>IT \uc2dc\uc2a4\ud15c:<\/strong> \uccab \ubc88\uc9f8 \uc624\ub958\ub294 RCD\ub97c \ud2b8\ub9bd\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc808\uc5f0 \ubaa8\ub2c8\ud130\ub9c1\uc744 \uc0ac\uc6a9\ud558\uace0 \ub450 \ubc88\uc9f8 \uc624\ub958\uc5d0 \ub300\ud55c \uc751\ub2f5\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <div class=\"note\">\n      <p><strong>\uc8fc\uc694 \ud45c\uc900 \ucc38\uc870:<\/strong> \ucc38\uc870 <a href=\"https:\/\/www.iec.ch\/\" target=\"_blank\" rel=\"noopener\">IEC<\/a>. \ud56d\uc0c1 \ud2b9\uc815 \uc7a5\uce58\uc758 \ucd5c\uc2e0 \ubc84\uc804\uacfc \uc81c\ud488 \ub370\uc774\ud130\uc2dc\ud2b8\ub97c \ud655\uc778\ud558\uc138\uc694.<\/p>\n    <\/div>\n  <\/div>\n<\/section>\n\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-5f116de\" data-block-id=\"5f116de\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-5f116de-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-08ea379\" data-v=\"4\" data-block-id=\"08ea379\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-08ea379-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-08ea379-inner-blocks\">\n<!-- ===== SEC 08 \u2014 Standards & Documentation Package (Submittals) ===== -->\n<section id=\"sec08-submittals\" aria-label=\"\ud45c\uc900 \ubc0f \ubb38\uc11c \ud328\ud0a4\uc9c0\">\n  <style>\n    \/* SEO-first: H2\/H3 structure + lightweight inline CSS *\/\n    #sec08-submittals{padding:40px 16px;background:#fff;color:#111827}\n    #sec08-submittals .wrap{max-width:1120px;margin:0 auto}\n    #sec08-submittals h2{font:800 26px\/1.25 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:0 0 12px}\n    #sec08-submittals h3{font:700 18px\/1.35 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:20px 0 8px}\n    #sec08-submittals p{margin:0 0 12px}\n    #sec08-submittals ul{margin:0 0 12px 20px}\n    #sec08-submittals li{margin:6px 0}\n    #sec08-submittals a{color:#B5220E;text-decoration:underline}\n    #sec08-submittals .callout{background:#fff7ed;border:1px solid #fed7aa;border-radius:10px;padding:12px;margin:14px 0}\n  <\/style>\n\n  <div class=\"wrap\">\n    <h2>\ud45c\uc900 \ubc0f \ubb38\uc11c \ud328\ud0a4\uc9c0(\uc81c\ucd9c\ubb3c)<\/h2>\n    <p>\uc124\uacc4 \uac80\ud1a0, \uc2dc\uacf5 \ubc0f \uc778\uacc4\ub97c \uc9c0\uc6d0\ud558\uae30 \uc704\ud55c \uc644\ubcbd\ud55c \ud328\ud0a4\uc9c0\ub97c \uc900\ube44\ud558\uc138\uc694. \uc774\ub97c \ud1b5\ud574 \uaddc\uc815 \uc900\uc218\ub97c \uac1c\uc120\ud558\uace0 \ub2e4\uc74c\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud504\ub85c\uc81d\ud2b8\uc758 \uc2b9\uc778 \uc18d\ub3c4\ub97c \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a>, <a href=\"https:\/\/cnkuangya.com\/ko\/rccb\/\">RCCB<\/a>, <a href=\"https:\/\/cnkuangya.com\/ko\/afdd\/\">AFDD<\/a>, <a href=\"https:\/\/cnkuangya.com\/ko\/ac-spd\/\">AC SPD<\/a>\ubc0f <a href=\"https:\/\/cnkuangya.com\/ko\/dc-spd\/\">DC SPD<\/a>. \uc8fc\uc694 \uaddc\ubc94\uc801 \ucd9c\ucc98: <a href=\"https:\/\/www.iec.ch\/\" target=\"_blank\" rel=\"noopener\">IEC<\/a>.<\/p>\n\n    <h3>1) \uc801\uc6a9 \uac00\ub2a5\ud55c \ucf54\ub4dc \ubc0f \ud45c\uc900 \ubaa9\ub85d<\/h3>\n    <ul>\n      <li>\uc124\uce58 \uaddc\uce59: IEC 60364 \uc2dc\ub9ac\uc988(\ud574\ub2f9\ub418\ub294 \uacbd\uc6b0 \ud604\uc9c0 \ucc44\ud0dd).<\/li>\n      <li>\uc81c\ud488 \ud45c\uc900 MCB(IEC 60898-1), MCCB(IEC 60947-2), RCCB(IEC 61008-1), RCBO(IEC 61009-1), AFDD(IEC 62606), AC SPD(IEC 61643-11), PV\/DC SPD(IEC 61643-31).<\/li>\n      <li>\ud504\ub85c\uc81d\ud2b8\ubcc4 \ub85c\uceec \uc218\uc815 \uc0ac\ud56d \ub610\ub294 \uc720\ud2f8\ub9ac\ud2f0 \uc694\uad6c \uc0ac\ud56d(\ud5c8\uc6a9\ub418\ub294 \uacbd\uc6b0 \ubc1c\ucdcc\ubb38 \ucca8\ubd80).<\/li>\n    <\/ul>\n\n    <h3>2) \uc124\uacc4 \uacc4\uc0b0<\/h3>\n    <ul>\n      <li><strong>\uc7a5\uc560 \uc218\uc900 \ubc0f \ubcf4\ud638 \ud06c\uae30 \uc870\uc815:<\/strong> \uc608\uc0c1 \ub2e8\ub77d \uc804\ub958; MCB\/MCCB I<em>cu<\/em>\/I<em>cs<\/em> \uc120\ud0dd; \ud4e8\uc988 \ucc28\ub2e8 \uc6a9\ub7c9.<\/li>\n      <li><strong>RCD \uc120\ud0dd:<\/strong> \uc560\ud50c\ub9ac\ucf00\uc774\uc158(\ucd94\uac00 \ucda9\uaca9 \u226430mA \ub300 \uc120\ud0dd\uc801 100-300mA), \ud30c\ud615\ubcc4 \uc720\ud615(A\/F\/B), \ub204\uc124 \uc608\uc0b0 \ucc45\uc815.<\/li>\n      <li><strong>SPD \uc870\uc815:<\/strong> \uc11c\ube44\uc2a4\uc5d0\uc11c \uc720\ud615 1\/1+2, SMDB\uc5d0\uc11c \uc720\ud615 2, \ubbfc\uac10\ud55c \ubd80\ud558 \uadfc\ucc98\uc5d0\uc11c \uc720\ud615 3; U<sub>c<\/sub>, U<sub>p<\/sub>, In\/Imax (\ubc0f<sub>imp<\/sub> \ud574\ub2f9\ub418\ub294 \uacbd\uc6b0); \ubc31\uc5c5 OCPD\/SCCR \uac80\uc0ac.<\/li>\n      <li><strong>\uc5f4 \ubc0f \ucf00\uc774\ube14 \uc810\uac80:<\/strong> \ub3c4\uccb4 \ud06c\uae30\/\ub514\ub808\uc774\ud305, \uc804\uc555 \uac15\ud558, \uc628\ub3c4 \uc0c1\uc2b9, \uc778\ud074\ub85c\uc800 \uc5f4 \uace0\ub824 \uc0ac\ud56d.<\/li>\n    <\/ul>\n\n    <h3>3) \ub3c4\uba74 \ubc0f \uc77c\uc815<\/h3>\n    <ul>\n      <li><strong>\ud55c \uc904 \ub2e4\uc774\uc5b4\uadf8\ub7a8:<\/strong> AC \ubc0f DC; \uac01 \ub808\uc774\uc5b4\uc5d0 SPD \ub2e8\uacc4 \ubc0f RCD \uc720\ud615\/\ub4f1\uae09\uc744 \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\ud328\ub110 \uc77c\uc815:<\/strong> \ucc28\ub2e8\uae30 \ub4f1\uae09, \uace1\uc120, RCD \uac10\ub3c4, \ub2e4\uc74c \ud56d\ubaa9\uc5d0 \ub300\ud55c \uc804\uc6a9 \ud56d\ubaa9 <a href=\"https:\/\/cnkuangya.com\/ko\/afdd\/\">AFDD<\/a> \ud68c\ub85c.<\/li>\n      <li><strong>\ucf00\uc774\ube14 \ub77c\uc6b0\ud305 \ubc0f \ubcf8\ub529:<\/strong> MET \uc704\uce58, SPD \ub9ac\ub4dc \ub77c\uc6b0\ud305(\ub2e8\ub77d\/\ubcd1\ub82c), \uc811\uc9c0 \ubc29\uc2dd(TN\/TT\/IT).<\/li>\n      <li><strong>\uc870\uc815 \ucc28\ud2b8:<\/strong> \uc2e4\uc81c \ub514\ubc14\uc774\uc2a4 \ubaa8\ub378\uc5d0 \ub300\ud55c \uc81c\uc870\uc5c5\uccb4 \uc120\ud0dd\uc131\/\uacc4\ub2e8\uc2dd \ud45c\ub97c \ucc38\uc870\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>4) \uc81c\ud488 \ub370\uc774\ud130 \ubc0f \uc778\uc99d<\/h3>\n    <ul>\n      <li>\uac01 \ubcf4\ud638 \uc7a5\uce58\uc5d0 \ub300\ud55c \ub370\uc774\ud130\uc2dc\ud2b8: \ub4f1\uae09, \ud2b8\ub9bd \uace1\uc120, \ud5c8\uc6a9 \uc624\ucc28, \ud658\uacbd \uc81c\ud55c.<\/li>\n      <li>\uc778\uc6a9\ub41c \ud45c\uc900\uc5d0 \ub530\ub978 \uc801\ud569\uc131 \uc120\uc5b8\/\uc720\ud615 \ud14c\uc2a4\ud2b8 \ubcf4\uace0\uc11c.<\/li>\n      <li>\uc561\uc138\uc11c\ub9ac \uc138\ubd80 \uc815\ubcf4: \uc158\ud2b8 \ud2b8\ub9bd, \ubcf4\uc870 \uc7a5\uce58, \uc11c\uc9c0 \uce74\uc6b4\ud130\/\ud45c\uc2dc\uae30\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0.<\/li>\n    <\/ul>\n\n    <h3>5) \uc124\uce58 \ubc29\ubc95 \uc124\uba85<\/h3>\n    <ul>\n      <li>\uc885\ub2e8, \ud1a0\ud06c \uac12, \uc870\uc784 \uc21c\uc11c \ubc0f \uc7ac\ud1a0\ud06c \uac04\uaca9\uc744 \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n      <li>RCD \uc911\ub9bd \ubc18\ud658 \uc815\ucc45, \uae30\uae30 \uac04 \uc911\ub9bd \uacf5\uc720 \uae08\uc9c0, DC \uc2dc\uc2a4\ud15c\uc758 \uadf9\uc131 \ud655\uc778.<\/li>\n      <li>SPD \ub9ac\ub4dc \uae38\uc774 \uc81c\ud55c \ubc0f \ubcf8\ub529 \uc9c0\uce68, \uc778\ud074\ub85c\uc800 \uc530\ub9c1 \ubc0f \uc5f0\uba74\uac70\ub9ac\/\uac04\uadf9 \ucc38\uace0 \uc0ac\ud56d.<\/li>\n    <\/ul>\n\n    <h3>6) \ud14c\uc2a4\ud2b8 \ubc0f \uc2dc\uc6b4\uc804 \uae30\ub85d<\/h3>\n    <ul>\n      <li>\uc5f0\uc18d\uc131\/IR \uacb0\uacfc, \uc811\uc9c0 \ub8e8\ud504 \uc784\ud53c\ub358\uc2a4 \ub610\ub294 \uc624\ub958 \uc804\ub958 \uac12.<\/li>\n      <li>RCD \ud2b8\ub9bd \uc2dc\uac04\/\uc804\ub958 \ud14c\uc2a4\ud2b8, AFDD \uae30\ub2a5 \ud14c\uc2a4\ud2b8(\uc81c\uc870\uc5c5\uccb4 \uc808\ucc28\uc5d0 \ub530\ub77c).<\/li>\n      <li>SPD \ud45c\uc2dc\uae30 \uc0c1\ud0dc \ubc0f \uc5c5\uc2a4\ud2b8\ub9bc OCPD \ud655\uc778, \uc870\uc815\uacfc \uad00\ub828\ub41c \ucf00\uc774\ube14 \uae38\uc774\ub97c \uae30\ub85d\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>7) O&amp;M \ubc0f \uc720\uc9c0 \uad00\ub9ac \uacc4\ud68d<\/h3>\n    <ul>\n      <li>RCD, SPD \ubc0f \uc885\ub2e8\uc5d0 \ub300\ud55c \uc8fc\uae30\uc801 \uac80\uc0ac \uac04\uaca9(\uace0\uc804\ub958 \uc870\uc778\ud2b8\uc758 \uacbd\uc6b0 \uc5f4\ud654\uc0c1 \uc2a4\uce94 \uad8c\uc7a5).<\/li>\n      <li>\uad50\uccb4 \uae30\uc900: RCD \uc131\uac00\uc2e0 \ud2b8\ub9bd \uc784\uacc4\uac12, SPD \uc218\uba85 \uc885\ub8cc \ud45c\uc2dc, \ucc28\ub2e8\uae30 \uae30\uacc4\uc801\/\uc804\uae30\uc801 \ub0b4\uad6c\uc131.<\/li>\n      <li>\uc608\ube44 \ubd80\ud488 \ubaa9\ub85d \ubc0f \uc7a5\uce58 \uc124\uc815 \ub85c\uadf8(\ucee4\ube0c, \uac10\ub3c4, \uc870\uc815 \ub178\ud2b8).<\/li>\n    <\/ul>\n\n    <div class=\"callout\">\n      <p><strong>\ud301:<\/strong> \uc81c\ucd9c\ubb3c\uc5d0 \ub300\ud574 \uc218\uc815\uc774 \ud1b5\uc81c\ub418\ub294 PDF \uc138\ud2b8\uc640 \ubcc4\ub3c4\uc758 \ud3b8\uc9d1 \uac00\ub2a5\ud55c \uc18c\uc2a4 \uc138\ud2b8(CAD + \uacc4\uc0b0 \uc2dc\ud2b8)\ub97c \ubcf4\uad00\ud558\uc138\uc694. \uc0ac\uc774\ud2b8\/\uae30\ub85d \ubd88\uc77c\uce58\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ubcc0\uacbd\uc774 \uc2b9\uc778\ub420 \ub54c\ub9c8\ub2e4 \ub450 \uac00\uc9c0\ub97c \ubaa8\ub450 \uc5c5\ub370\uc774\ud2b8\ud558\uc138\uc694.<\/p>\n    <\/div>\n  <\/div>\n<\/section>\n\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-17b05c8\" data-block-id=\"17b05c8\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-17b05c8-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-ddf2dfa\" data-v=\"4\" data-block-id=\"ddf2dfa\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-ddf2dfa-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-ddf2dfa-inner-blocks\">\n<!-- ===== SEC 09 \u2014 Troubleshooting & Common Pitfalls (LV Protection) ===== -->\n<section id=\"sec09-troubleshooting\" aria-label=\"\ubb38\uc81c \ud574\uacb0 \ubc0f \uc77c\ubc18\uc801\uc778 \ud568\uc815\">\n  <style>\n    \/* SEO-first: H2\/H3 structure + lightweight inline CSS *\/\n    #sec09-troubleshooting{padding:40px 16px;background:#fff;color:#111827}\n    #sec09-troubleshooting .wrap{max-width:1120px;margin:0 auto}\n    #sec09-troubleshooting h2{font:800 26px\/1.25 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:0 0 12px}\n    #sec09-troubleshooting h3{font:700 18px\/1.35 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:20px 0 8px}\n    #sec09-troubleshooting p{margin:0 0 12px}\n    #sec09-troubleshooting ul{margin:0 0 12px 20px}\n    #sec09-troubleshooting li{margin:6px 0}\n    #sec09-troubleshooting a{color:#B5220E;text-decoration:underline}\n    #sec09-troubleshooting .callout{background:#fff7ed;border:1px solid #fed7aa;border-radius:10px;padding:12px;margin:14px 0}\n  <\/style>\n\n  <div class=\"wrap\">\n    <h2>\ubb38\uc81c \ud574\uacb0 \ubc0f \uc77c\ubc18\uc801\uc778 \ud568\uc815<\/h2>\n    <p>\uc774 \uccb4\ud06c\ub9ac\uc2a4\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \uacc4\uce35\ud654\ub41c \ubcf4\ud638 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc131\uac00\uc2e0 \ud2b8\ub9bd, \uc11c\uc9c0 \uc190\uc0c1 \ubc0f \uc870\uc815 \ubb38\uc81c\ub97c \uc2e0\uc18d\ud558\uac8c \uc9c4\ub2e8\ud558\uc138\uc694. \uaddc\ubc94\uc801 \ub9e5\ub77d\uc740 \ub2e4\uc74c\uc744 \ucc38\uc870\ud558\uc138\uc694. <a href=\"https:\/\/www.iec.ch\/\" target=\"_blank\" rel=\"noopener\">IEC<\/a>.<\/p>\n\n    <h3>1) RCD \uadc0\ucc2e\uc740 \uc5ec\ud589<\/h3>\n    <ul>\n      <li><strong>\uc720\ud615 A\uc758 \ud63c\ud569 \ud30c\ud615:<\/strong> VFD\/EV\/PV \ube0c\ub79c\uce58\ub294 \uc6d0\ud65c\ud55c DC \ub204\ucd9c \u2192 \ub2e4\uc74c\uc73c\ub85c \uc5c5\uadf8\ub808\uc774\ub4dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a> \uc720\ud615 <strong>B<\/strong> (\ub610\ub294 \uc81c\uc870\uc5c5\uccb4\uac00 \uc2b9\uc778\ud55c \ub300\uccb4\ud488)\uc744 \uc0ac\uc6a9\ud558\uc138\uc694.<\/li>\n      <li><strong>\uacf5\uc720 \uc911\ub9bd:<\/strong> \uac01 RCD\/RCBO\uc758 \uc911\ub9bd\uc774 \ub3d9\uc77c\ud55c \uc7a5\uce58\ub97c \ud1b5\ud574 \ubc18\ud658\ub418\ub3c4\ub85d \ud558\uace0 \ud68c\ub85c \uac04 \uad50\ucc28 \ubc18\ud658\uc774 \uc5c6\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\ub204\uc218 \uc608\uc0b0 \uad00\ub9ac:<\/strong> \uc608\uc0c1 \ub204\ucd9c\uc744 \ud569\uc0b0\ud558\uace0 \uc815\uc0c1 \uc0c1\ud0dc\uc5d0\uc11c ~30~40%\uc758 I\u0394n \uc774\ud558\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4. <a href=\"https:\/\/cnkuangya.com\/ko\/rccb\/\">RCCB<\/a>\ud544\uc694\ud55c \uacbd\uc6b0 \/RCBO.<\/li>\n      <li><strong>\ucc44\uc810:<\/strong> \uc5c5\uc2a4\ud2b8\ub9bc \uc120\ud0dd\ud615(\uc720\ud615 S 100-300mA) \u2192 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \u226430mA, \ubbfc\uac10\ud55c \uc5c5\uc2a4\ud2b8\ub9bc\ubcf4\ub2e4 \ub0b4\uc131\uc774 \uac15\ud55c \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc\uc744 \ud53c\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>2) SPD\uac00 \uc0dd\uc874\ud558\uc9c0 \ubabb\ud568 \/ \uc11c\uc9c0 \uc131\ub2a5 \uc800\ud558<\/h3>\n    <ul>\n      <li><strong>\ub9ac\ub4dc \uae38\uc774\uac00 \ub108\ubb34 \uae41\ub2c8\ub2e4:<\/strong> P\/N\/PE \ub9ac\ub4dc\ub97c \uc9e7\uace0, \uc9c1\uc120\ud615\uc73c\ub85c, \ud568\uaed8 \ub77c\uc6b0\ud305\ud558\uace0, \ucd1d \ub8e8\ud504\ub97c 0.5m \ubbf8\ub9cc\uc73c\ub85c \uc720\uc9c0\ud569\ub2c8\ub2e4. <a href=\"https:\/\/cnkuangya.com\/ko\/ac-spd\/\">AC SPD<\/a> \ubc0f <a href=\"https:\/\/cnkuangya.com\/ko\/dc-spd\/\">DC SPD<\/a>.<\/li>\n      <li><strong>\ub2e8\uacc4\uac00 \uc798\ubabb\ub418\uc5c8\uc2b5\ub2c8\ub2e4:<\/strong> \uc11c\ube44\uc2a4\uc5d0\uc11c\ub294 \uc720\ud615 1\/1+2, SMDB\uc5d0\uc11c\ub294 \uc720\ud615 2, \ubbfc\uac10\ud55c \ubd80\ud558 \uadfc\ucc98\uc5d0\uc11c\ub294 \uc720\ud615 3, \ucf00\uc774\ube14 \uae38\uc774\uac00 \uc9e7\uc740 \uacbd\uc6b0 \ub514\ucee4\ud50c\ub9c1 \uc778\ub355\ud134\uc2a4\ub97c \ucd94\uac00\ud558\uac70\ub098 \uc720\ud615 3\uc744 \ub354 \uac00\uae4c\uc774 \ubc30\uce58\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\ubc31\uc5c5 OCPD\/SCCR \ubd88\uc77c\uce58:<\/strong> \ub514\ubc14\uc774\uc2a4 \ub370\uc774\ud130\uc2dc\ud2b8\uc640 \ube44\uad50\ud558\uc5ec \ud544\uc694\ud55c \uc5c5\uc2a4\ud2b8\ub9bc MCB\/\ud4e8\uc988 \ubc0f \ub2e8\ub77d \uc815\uaca9\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>PV \uadf9\uc131\/DC \ub4f1\uae09:<\/strong> PV\/ESS\/EV\uc758 \uacbd\uc6b0 U<sub>cpv<\/sub>\/U<sub>c<\/sub>, I<sub>n<\/sub>\/I<sub>\ucd5c\ub300<\/sub> \ubc0f \uadf9\uc131\uc774 DC \uc2dc\uc2a4\ud15c\uacfc \uc77c\uce58\ud574\uc57c \ud558\uba70, \uc808\ub300\ub85c DC\uc5d0\uc11c AC \uc804\uc6a9 SPD\ub97c \uc7ac\uc0ac\uc6a9\ud558\uc9c0 \ub9c8\uc138\uc694.<\/li>\n    <\/ul>\n\n    <h3>3) \uc2dc\ub3d9 \uc2dc MCB\/MCCB \ud2b8\ub9bd<\/h3>\n    <ul>\n      <li><strong>\uc798\ubabb\ub41c \ucee4\ube0c\uc785\ub2c8\ub2e4:<\/strong> \ucee4\ube0c B\uc758 \ub192\uc740 \ub3cc\uc785 \ubaa8\ud130\/\ubcc0\uc555\uae30\uac00 \ud2b8\ub9bd\ub420 \uc218 \uc788\uc73c\uba70, \ubd84\ub9ac \uc2dc\uac04\uc774 \ud655\uc778\ub41c \ucee4\ube0c C\/D\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\uc5b8\ub354\uc0ac\uc774\uc988 I<em>cu<\/em>\/I<em>cs<\/em>:<\/strong> \uc608\uc0c1 \ub2e8\ub77d \uc804\ub958\ub97c \ub2e4\uc2dc \uacc4\uc0b0\ud558\uace0, \uc801\uc808\ud55c \ucc28\ub2e8 \uc6a9\ub7c9\uc744 \uac16\ucd98 \uc7a5\uce58\ub97c \uc120\ud0dd\ud558\uace0 \uacc4\ub2e8\uc2dd\/\uc120\ud0dd\uc131 \ucc28\ud2b8\ub97c \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\uc5f4 \uac10\uc18d:<\/strong> \uc778\ud074\ub85c\uc800 \uc628\ub3c4 \uc0c1\uc2b9\uacfc \ub3c4\uccb4 \ud06c\uae30\ub97c \uace0\ub824\ud558\uace0 \uadf8\uc5d0 \ub530\ub77c \uacf5\uce6d \uc804\ub958\ub97c \uc7ac\uc870\uc815\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>4) AFDD \uc624\uacbd\ubcf4 \ub610\ub294 \uc5ec\ud589 \uc5c6\uc74c<\/h3>\n    <ul>\n      <li><strong>\ud638\ud658\uc131:<\/strong> pair <a href=\"https:\/\/cnkuangya.com\/ko\/afdd\/\">AFDD<\/a> \uad8c\uc7a5\ub418\ub294 MCB\/RCBO\ub97c \uc0ac\uc6a9\ud558\uace0, AFDD \uc11c\uba85\uc744 \uc798\ubabb \ud574\uc11d\ud558\ub294 \uc5c5\uc2a4\ud2b8\ub9bc RCD \uc720\ud615\uc744 \ud53c\ud558\uc138\uc694.<\/li>\n      <li><strong>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc801\ud569\uc131:<\/strong> \uc218\uba74 \uc601\uc5ed, \ub178\ud6c4 \ubc30\uc120, \uace0\uc704\ud5d8 \uc18c\ucf13\uc758 \uc6b0\uc120\uc21c\uc704\ub97c \uc815\ud558\uace0, VFD\uac00 \ub9ce\uc740 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \ub300\ud55c \uc81c\uc870\uc5c5\uccb4 \uc9c0\uce68\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>5) \uc811\uc9c0 \ubc0f \ubcf8\ub529 \uc2e4\uc218<\/h3>\n    <ul>\n      <li><strong>MET\uc774 \uc815\uc758\ub418\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4:<\/strong> \uc8fc \ub4f1\uc804\uc704 \ub178\ub4dc\ub97c \uc815\uc758\ud558\uace0 \ub808\uc774\ube14\uc744 \uc9c0\uc815\ud558\uace0 \ubaa8\ub4e0 \uba54\ud0c8\ub9ad \uc11c\ube44\uc2a4\ub97c \uc77c\uad00\ub418\uac8c \ubcf8\ub529\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\uc2dc\uc2a4\ud15c \uc811\uc9c0 \ud63c\uc120:<\/strong> \uc7a5\uce58 \uc120\ud0dd \uc804\uc5d0 TN\/TT\/IT\ub97c \ud655\uc778\ud558\uace0, TT\ub294 ADS\ub97c \uc704\ud574 RCD\uc5d0 \uc758\uc874\ud558\uc5ec \uc811\uc9c0 \uc804\uadf9 \uc800\ud56d\uc744 \uac80\uc99d\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\ud558\uc774\ube0c\ub9ac\ub4dc AC\/DC \uc0ac\uc774\ud2b8:<\/strong> AC \uce21\uacfc DC \uce21(PV\/ESS\/EV) \uac04\uc5d0 \uc77c\uad00\ub41c \uae30\uc900\uc744 \uc720\uc9c0\ud558\uace0 \ud070 \ub8e8\ud504 \uc601\uc5ed\uc744 \ud53c\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>6) \uc2b9\uc778\uc744 \ubc29\ud574\ud558\ub294 \ubb38\uc11c \uacf5\ubc31<\/h3>\n    <ul>\n      <li><strong>\ud55c \uc904 \uc5c5\ub370\uc774\ud2b8\uac00 \ub204\ub77d\ub418\uc5c8\uc2b5\ub2c8\ub2e4:<\/strong> SPD \uc2a4\ud14c\uc774\uc9c0 \ubc0f RCD \uc720\ud615\/\ub4f1\uae09\uc73c\ub85c AC\/DC \ub2e8\uc120 \uc804\ub958\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\uc870\uc815 \uc99d\uac70\uac00 \uc5c6\uc2b5\ub2c8\ub2e4:<\/strong> \ucc28\ub2e8\uae30 \ubc0f SPD \ubc31\uc5c5 \ubcf4\ud638\uc5d0 \ub300\ud55c \uc81c\uc870\uc5c5\uccb4 \uc120\ud0dd\uc131\/\uacc4\ub2e8\uc2dd \ucc28\ud2b8\ub97c \ucca8\ubd80\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>\ud14c\uc2a4\ud2b8 \uae30\ub85d:<\/strong> RCD \ud2b8\ub9bd \uc2dc\uac04\/\uc804\ub958 \uacb0\uacfc, SPD \uc0c1\ud0dc, \uc811\uc9c0 \ub8e8\ud504\/\uace0\uc7a5 \uc804\ub958 \ubc0f IR \uac12\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <div class=\"callout\">\n      <p><strong>\ube60\ub978 \uc2b9\ub9ac:<\/strong> \uacb0\ud568 \ubc1c\uacac \uc2dc \uacb0\uc2b9\uc804 \u2192 SMDB \u2192 \uc11c\ube44\uc2a4 \uc21c\uc73c\ub85c \uc2dc\uc791\ud558\uc138\uc694. \uc815\uc0c1 \ud68c\ub85c\ub97c \uc190\uc0c1\uc2dc\ud0a4\uc9c0 \uc54a\ub3c4\ub85d RCBO\ub85c \uc808\uc5f0\ud558\uace0 \ud558\ub4dc\uc6e8\uc5b4\ub97c \uad50\uccb4\ud558\uae30 \uc804\uc5d0 \uc911\uc131\uc120, \ubcf8\ub529 \ubc0f SPD \ub9ac\ub4dc \ub4dc\ub808\uc2a4\ub97c \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n    <\/div>\n  <\/div>\n<\/section>\n\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-aeddf05\" data-block-id=\"aeddf05\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-aeddf05-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-1fe0221\" data-v=\"4\" data-block-id=\"1fe0221\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-1fe0221-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-1fe0221-inner-blocks\">\n<!-- ===== SEC 10 \u2014 FAQ & Quick Reference (SEO-structured) ===== -->\n<section id=\"sec10-faq\" aria-label=\"FAQ \ubc0f \ube60\ub978 \ucc38\uc870\">\n  <style>\n    \/* SEO-first: H2\/H3 structure + lightweight inline CSS *\/\n    #sec10-faq{padding:40px 16px;background:#fff;color:#111827}\n    #sec10-faq .wrap{max-width:1120px;margin:0 auto}\n    #sec10-faq h2{font:800 26px\/1.25 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:0 0 12px}\n    #sec10-faq h3{font:700 18px\/1.35 ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Arial;margin:20px 0 8px}\n    #sec10-faq p{margin:0 0 12px}\n    #sec10-faq ul{margin:0 0 12px 20px}\n    #sec10-faq li{margin:6px 0}\n    #sec10-faq a{color:#B5220E;text-decoration:underline}\n    #sec10-faq .muted{color:#4B5563}\n    #sec10-faq .callout{background:#fff7ed;border:1px solid #fed7aa;border-radius:10px;padding:12px;margin:14px 0}\n  <\/style>\n\n  <div class=\"wrap\">\n    <h2>FAQ \ubc0f \ube60\ub978 \ucc38\uc870<\/h2>\n    <p class=\"muted\">\uc774 \uc139\uc158\uc5d0\uc11c\ub294 LV \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uacc4\uce35\ud654\ub41c \ubcf4\ud638\ub97c \uc704\ud55c \uc77c\ubc18\uc801\uc778 \uc124\uacc4\/\uc124\uce58 \uad00\ub828 \uc9c8\ubb38\uc5d0 \ub300\ud55c \ub2f5\ubcc0\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uaddc\ubc94\uc801 \uc9c0\uce68\uc740 \ub2e4\uc74c\uc744 \ucc38\uc870\ud558\uc138\uc694. <a href=\"https:\/\/www.iec.ch\/\" target=\"_blank\" rel=\"noopener\">IEC<\/a>. (\ub0b4\ubd80 \uc77d\uae30: <a href=\"https:\/\/cnkuangya.com\/ko\/rccb\/\">RCCB<\/a>, <a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a>, <a href=\"https:\/\/cnkuangya.com\/ko\/afdd\/\">AFDD<\/a>, <a href=\"https:\/\/cnkuangya.com\/ko\/ac-spd\/\">AC SPD<\/a>, <a href=\"https:\/\/cnkuangya.com\/ko\/dc-spd\/\">DC SPD<\/a>.)<\/p>\n\n    <h3>RCD\/RCBO<\/h3>\n    <ul>\n      <li><strong>Q:<\/strong> 30mA \uc774\ud558\uc758 \ub514\ubc14\uc774\uc2a4\ub294 \uc5b8\uc81c \uc0ac\uc6a9\ud574\uc57c \ud558\ub098\uc694? <br><strong>A:<\/strong> \ucd5c\uc885 \ud68c\ub85c(\uc18c\ucf13, \uc816\uc740 \uacf3, \ud734\ub300\uc6a9 \ubd80\ud558)\uc5d0 \ub300\ud55c \ucd94\uac00\uc801\uc778 \ucda9\uaca9 \ubcf4\ud638\uc6a9. \uc120\ud638 <a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a> \ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\ub978 \ud68c\ub85c\ub97c \ucc28\ub2e8\ud558\uc9c0 \uc54a\uace0 \ub2e8\uc77c \ud68c\ub85c\ub97c \uaca9\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n      <li><strong>Q:<\/strong> \uc5b4\ub5a4 \uc720\ud615(A\/F\/B)\uc744 \uc120\ud0dd\ud574\uc57c \ud558\ub098\uc694? <br><strong>A:<\/strong> \uc77c\ubc18 \ub2e8\uc0c1 \uc804\uc790\uc81c\ud488\uc6a9 A\ud615, \ub2e8\uc0c1 \ucee8\ubc84\ud130\/\ud788\ud2b8\ud38c\ud504\uc6a9 F\ud615, 3\uc0c1 VFD, PV, UPS \ubc0f EV \ucda9\uc804\uae30\uc6a9 B\ud615.<\/li>\n      <li><strong>Q:<\/strong> \uc120\ud0dd\uc801 \uc5c5\uc2a4\ud2b8\ub9bc \ub514\ubc14\uc774\uc2a4\uac00 \ud544\uc694\ud55c\uac00\uc694? <br><strong>A:<\/strong> 100-300mA \uc0ac\uc6a9 <em>\uc720\ud615 S<\/em> \ud5c8\uc6a9\ub418\ub294 \uacbd\uc6b0 \ud654\uc7ac \ubc29\uc9c0 \ubc0f \uc2dc\uac04 \uc120\ud0dd\uc131\uc744 \uc704\ud574 \uc5c5\uc2a4\ud2b8\ub9bc, \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc\uc740 30mA \uc774\ud558\ub85c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>Q:<\/strong> IT\/AV \ubd80\ud558\uac00 \ud63c\uc7ac\ub41c \uadc0\ucc2e\uc740 \uc5ec\ud589, \uc774\uc81c \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c\uc694? <br><strong>A:<\/strong> \uc5ec\ub7ec <a href=\"https:\/\/cnkuangya.com\/ko\/rcbo\/\">RCBO<\/a> \ud68c\ub85c, \ud2b8\ub9bd \uc784\uacc4\uac12\uc744 \ud6e8\uc52c \ub0ae\uac8c \uc720\uc9c0\ud558\uae30 \uc704\ud55c \uc608\uc0b0 \ub204\uc218, RCD \ud68c\ub85c \uac04\uc5d0 \uc911\ub9bd\uc744 \uacf5\uc720\ud558\uc9c0 \uc54a\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>AFDD<\/h3>\n    <ul>\n      <li><strong>Q:<\/strong> AFDD\ub294 \uc5b4\ub514\uc5d0 \uac00\uc7a5 \uc720\uc6a9\ud560\uae4c\uc694? <br><strong>A:<\/strong> \uc218\uba74 \uacf5\uac04, \ub178\ud6c4\ud654\ub41c \ubc30\uc120, \uace0\uc704\ud5d8 \uc18c\ucf13 \ud68c\ub85c, \uac00\uc5f0\uc131 \ud658\uacbd; \ud398\uc5b4 <a href=\"https:\/\/cnkuangya.com\/ko\/afdd\/\">AFDD<\/a> \uc81c\uc870\uc5c5\uccb4 \uc9c0\uce68\uc5d0 \ub530\ub77c MCB\/RCBO\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>Q:<\/strong> AFDD\uac00 \uc5c5\uc2a4\ud2b8\ub9bc RCD\uc640 \ucda9\ub3cc\ud558\ub098\uc694? <br><strong>A:<\/strong> \uc801\uc808\ud55c \ub4f1\uae09\uc744 \uc720\uc9c0\ud558\uace0, AFDD \uc11c\uba85\uc744 \uc798\ubabb \ud574\uc11d\ud560 \uc218 \uc788\ub294 \uc5c5\uc2a4\ud2b8\ub9bc \uc7a5\uce58\ub97c \ud53c\ud558\uace0 \uacf5\uae09\uc5c5\uccb4 \ud398\uc5b4\ub9c1 \ud14c\uc774\ube14\uc744 \ub530\ub974\uc138\uc694.<\/li>\n    <\/ul>\n\n    <h3>SPD(AC\/DC)<\/h3>\n    <ul>\n      <li><strong>Q:<\/strong> SPD\ub294 \uc5b4\ub5bb\uac8c \uc2a4\ud14c\uc774\uc9d5\ud558\ub098\uc694? <br><strong>A:<\/strong> \uc11c\ube44\uc2a4 \uc785\uad6c\uc5d0\uc11c 1\/1+2 \uc720\ud615, SMDB\uc5d0\uc11c 2 \uc720\ud615, \ubbfc\uac10\ud55c \ubd80\ud558 \uadfc\ucc98\uc5d0\uc11c 3 \uc720\ud615. \ucc38\uc870 <a href=\"https:\/\/cnkuangya.com\/ko\/ac-spd\/\">AC SPD<\/a>.<\/li>\n      <li><strong>Q:<\/strong> \ud3ed\ud48d\uc6b0\uc5d0\ub3c4 SPD\uac00 \uc5ec\uc804\ud788 \uace0\uc7a5 \ub098\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694? <br><strong>A:<\/strong> \ub9ac\ub4dc \uae38\uc774\uac00 \uacfc\ub3c4\ud558\uac70\ub098 \ubcf8\ub529\uc774 \ubd88\ub7c9\ud569\ub2c8\ub2e4. P\/N\/PE\ub97c \uc9e7\uace0, \uace7\uac8c, \ud568\uaed8 \ub77c\uc6b0\ud305\ud558\uace0, MET\uc5d0 \ubcf8\ub529\ud558\uace0, SCCR \ubc0f \ubc31\uc5c5 OCPD\ub97c \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>Q:<\/strong> PV\/ESS\/EV\ub294 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694? <br><strong>A:<\/strong> \uc0ac\uc6a9 <a href=\"https:\/\/cnkuangya.com\/ko\/dc-spd\/\">DC SPD<\/a> U\ub85c \ud06c\uae30<sub>cpv<\/sub>\/U<sub>c<\/sub>, U<sub>p<\/sub>\uadf9\uc131 \ubc0f \ub9e4\uc6b0 \uc9e7\uc740 \ub9ac\ub4dc\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>\uacfc\uc804\ub958(MCB\/MCCB\/\ud4e8\uc988)<\/h3>\n    <ul>\n      <li><strong>Q:<\/strong> \ucee4\ube0c \uc120\ud0dd\uc758 \uae30\ubcf8\uc740? <br><strong>A:<\/strong> \ud45c\uc900 \ucd5c\uc885 \ud68c\ub85c\uc758 \uacbd\uc6b0 \uace1\uc120 B, \ub354 \ub192\uc740 \ub3cc\uc785(\ubaa8\ud130\/\ubcc0\uc555\uae30)\uc758 \uacbd\uc6b0 \ubd84\ub9ac \uc2dc\uac04\uc774 \uac80\uc99d\ub418\uace0 \uc801\uc808\ud55c \ucc28\ub2e8 \uc6a9\ub7c9(I<em>cu<\/em>\/I<em>cs<\/em>).<\/li>\n      <li><strong>Q:<\/strong> \uc2dc\uc791 \uc2dc \ucc28\ub2e8\uae30\uac00 \ud2b8\ub9bd\ub418\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694? <br><strong>A:<\/strong> \uc778\ub7ec\uc26c \ubbf8\uacc4\uc0c1, \ubbf8\ub2ec I<em>cu<\/em>\/I<em>cs<\/em>\ub610\ub294 \uc870\uc815 \uaca9\ucc28\ub97c \ud655\uc778\ud569\ub2c8\ub2e4. PSC\ub97c \ub2e4\uc2dc \uacc4\uc0b0\ud558\uace0 \uc81c\uc870\uc5c5\uccb4 \uc120\ud0dd\ub3c4\/\uacc4\ub2e8\uc2dd \ucc28\ud2b8\ub97c \uac80\ud1a0\ud569\ub2c8\ub2e4.<\/li>\n    <\/ul>\n\n    <h3>\uc811\uc9c0 \ubc0f \ubcf8\ub529<\/h3>\n    <ul>\n      <li><strong>Q:<\/strong> TN\/TT\/IT\ub97c \ub3d9\uc77c\ud558\uac8c \ucde8\uae09\ud558\ub098\uc694? <br><strong>A:<\/strong> TT\ub294 ADS\uc5d0 RCD\ub97c \uc0ac\uc6a9\ud558\ubbc0\ub85c \uc804\uadf9 \uc800\ud56d\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. IT\uc5d0\ub294 \uc808\uc5f0 \ubaa8\ub2c8\ud130\ub9c1\uacfc \uc815\uc758\ub41c 2\ucc28 \uc7a5\uc560 \ub300\uc751\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n      <li><strong>Q:<\/strong> \uac04\ub2e8\ud55c \ucf00\uc774\ube14 \uc5f0\uacb0 \ud301\uc774 \uc788\ub098\uc694? <br><strong>A:<\/strong> \ub8e8\ud504 \uba74\uc801 \ucd5c\uc18c\ud654, \uc704\uc0c1\/\uc911\ub9bd\uc744 SPD\ub85c \ud2b8\uc704\uc2a4\ud2b8, MET\uc5d0 \uc5f0\uc18d\uc801\uc73c\ub85c \ubcf8\ub529 \uc720\uc9c0, SPD \uc870\uc815\uc744 \uc704\ud55c \ubb38\uc11c \uae38\uc774.<\/li>\n    <\/ul>\n\n    <div class=\"callout\">\n      <p><strong>\ubc14\ub85c \uac00\uae30:<\/strong> \ud558\ud5a5\uc2dd(\uc11c\ube44\uc2a4 \u2192 SMDB \u2192 \ucd5c\uc885) \uc124\uacc4\ub97c \ud558\ub418 \uc0c1\ud5a5\uc2dd(\ucd5c\uc885 \u2192 SMDB \u2192 \uc11c\ube44\uc2a4)\uc73c\ub85c \ucee4\ubbf8\uc154\ub2dd\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \ud14c\uc2a4\ud2b8\ud558\ub294 \ub3d9\uc548 \uacb0\ud568\uc744 \uaca9\ub9ac\ud558\uace0 \uc815\uc0c1 \ud68c\ub85c\ub97c \ubcf4\ud638\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n    <\/div>\n\n    <p class=\"muted\"><strong>\uc8fc\uc694 \ud45c\uc900 \ucc38\uc870:<\/strong> <a href=\"https:\/\/www.iec.ch\/\" target=\"_blank\" rel=\"noopener\">IEC<\/a>.<\/p>\n  <\/div>\n<\/section>\n\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Section 01 Low Voltage Distribution Protection (2025): A Standards-Aligned Layered Methodology Date: September 28, 2025 \u00b7 Publisher: Kuangya Blog Legal Disclaimer: This article is for informational purposes only and does not constitute professional engineering advice. All designs must be reviewed and approved by a licensed professional engineer in accordance with applicable codes and standards before [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":1668,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[],"class_list":["post-1887","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-circuit-breakers"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/posts\/1887","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=1887"}],"version-history":[{"count":11,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/posts\/1887\/revisions"}],"predecessor-version":[{"id":1911,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/posts\/1887\/revisions\/1911"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/media\/1668"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/media?parent=1887"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/categories?post=1887"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/tags?post=1887"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}