{"id":3409,"date":"2026-03-24T09:00:00","date_gmt":"2026-03-24T01:00:00","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/blog\/advanced-protection-of-800v-mccb-electronic-jcr3hm-rcd-with-built-in-lsig-trip-unit\/"},"modified":"2026-10-10T10:42:13","modified_gmt":"2026-10-10T02:42:13","slug":"800v-%eb%a7%a5%ec%8a%a4%ec%bb%a4%eb%b2%84%eb%a6%ac-%ec%a0%84%ec%9e%90-jcr3hm-rcd-%eb%82%b4%ec%9e%a5%eb%90%9c-lsig-%ed%8a%b8%eb%a6%ac%ed%94%84-%ec%9c%a0%eb%8b%9b-%ed%8f%ac%ed%95%a8","status":"publish","type":"post","link":"https:\/\/w9-group.com\/ko\/blog\/advanced-protection-of-800v-mccb-electronic-jcr3hm-rcd-with-built-in-lsig-trip-unit\/","title":{"rendered":"800V MCCB \uc804\uc790 JCR3HM RCD\uc758 \uace0\uae09 \ubcf4\ud638 \uae30\ub2a5 \ubc0f \ub0b4\uc7a5\ub41c LSIG \ud2b8\ub9ac\ud504 \uc720\ub2db"},"content":{"rendered":"

<\/p>\n

\uc624\ub298\ub0a0 \ube60\ub974\uac8c \ubcc0\ud654\ud558\ub294 \uc138\uc0c1\uc5d0\uc11c \uc804\uae30 \uc548\uc804\uc740 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ud2b9\ud788 \uc0b0\uc5c5, \uc0c1\uc5c5 \ubc0f \uac00\uc815\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c\ub294 \ub354\uc6b1 \uadf8\ub807\uc2b5\ub2c8\ub2e4. JCR3HM \uc794\ub958 \uc804\ub958 \ucc28\ub2e8\uae30(RCD)\ub294 \uc811\uc9c0 \uacb0\ud568, \ub204\uc124 \uc804\ub958 \ubc0f \uc804\uc555 \ubcc0\ub3d9\uc73c\ub85c\ubd80\ud130 \uace0\uae09 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\ub294 \ud601\uc2e0\uc801\uc778 \uc81c\ud488\uc785\ub2c8\ub2e4. JCR3HM RCD<\/a><\/span> 800V MCCB \uc804\uc790 \ub0b4\uc7a5 LSIG \ud2b8\ub9bd \uc720\ub2db\uc73c\ub85c \uc804\uae30 \uc548\uc804 \ubc0f \uc2e0\ub8b0\uc131\uc5d0 \uc0c8\ub85c\uc6b4 \uae30\uc900\uc744 \uc81c\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n

\uad6c\ub9e4\uc790\uc758 \uacb0\uc815:<\/strong> Treat LSIG and residual-current protection as separate specification lines. Long-time, short-time and instantaneous elements address overload and overcurrent; the ground-fault element operates according to its own sensing arrangement and settings. A G label is not automatically equivalent to residual-current protection.<\/strong> Request the exact function matrix, sensor arrangement, setting ranges, tolerances and test method under the offered IEC 60947-2:2024<\/a> \uad6c\uc131.<\/p>\n<\/p>\n

\uadf8\uac83\uc758 \uc8fc\uc694 \uc7a5\uc810 \uc911 \ud558\ub098\ub294 JCR3HM RCD<\/a><\/span> \uc774\ub294 \uc9c0\uc0c1 \ub2e8\ub77d \ubc0f \ub204\uc124 \uc804\ub958\ub85c\ubd80\ud130\uc758 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\ub294 \ub2a5\ub825\uc785\ub2c8\ub2e4. \uc774\ub294 \uce58\uba85\uc801\uc778 \uc804\uae30 \uc1fc\ud06c\ub97c \ubc29\uc9c0\ud558\uace0 \uc804\uae30 \ud654\uc7ac\uc758 \uc704\ud5d8\uc744 \uc644\ud654\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. JCR3HM RCD\uc5d0 \ud1b5\ud569\ub41c \ucca8\ub2e8 \uae30\uc220\uc740 \uc815\uaca9 \uac10\ub3c4\uac00 \ucd08\uacfc\ub418\uba74 \ud68c\ub85c\uac00 \uc790\ub3d9\uc73c\ub85c \ucc28\ub2e8\ub418\ubbc0\ub85c \ucd94\uac00\uc801\uc778 \uc548\uc804\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ubcf4\ud638.<\/p>\n

\uc751\uc6a9 \ubc94\uc704:<\/strong> \uac00\uce58 \ud569\uc774 \ub418\ub294 \uae30\ub2a5\uacfc \uc678\ubd80 \uc13c\uc11c \ub610\ub294 \ubaa8\ub4c8\uc774 \ud544\uc694\ud55c \uae30\ub2a5, \uadf8\ub9ac\uace0 \ubb38\uc11c\ud654\ub41c \uc911\ub9bd \ubc0f \uc811\uc9c0 \uc7a5\uce58\uac00 \uc81c\uc548\ub41c \ubc29\uc2dd\uc744 \uc9c0\uc6d0\ud558\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud569\ub2c8\ub2e4. \uc778\ubc84\ud130 \ub204\uc124, \ubcd1\ub82c \ubc30\uc120, \uc5ec\ub7ec \ucd9c\ucc98 \ubc0f \uc794\ub958 DC \uad6c\uc131 \uc694\uc18c\ub294 \ubcf4\ud638 \uc124\uacc4\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc804\uae30 \ucda9\uaca9 \ubc29\uc9c0, \ud654\uc7ac \ubc29\uc9c0 \ub610\ub294 \ucee8\ubc84\ud130\uc5d0\uc11c \uc0dd\uc131\ub41c \ud30c\ud615\uc774 \uc694\uad6c \uc0ac\ud56d\uc758 \uc77c\ubd80\uc778 \uacbd\uc6b0 \ubcf4\ud638 \uc5d4\uc9c0\ub2c8\uc5b4\uc5d0\uac8c \uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud574 \ub2ec\ub77c\uace0 \uc694\uccad\ud558\uc2ed\uc2dc\uc624.<\/p>\n<\/p>\n

\ub610\ud55c, JCR3HM RCD<\/a><\/span> \ucf00\uc774\ube14 \ubc0f \ubc84\uc2a4\ubc14 \uc5f0\uacb0\uc5d0 \ub300\ud55c \uc774\uc911 \ub2e8\uc790\ub97c \uc81c\uacf5\ud558\uc5ec \ub2e4\ubaa9\uc801\uc131\uacfc \ub2e4\uc591\ud55c \uc124\uce58 \uc694\uad6c\uc0ac\ud56d\uc5d0 \uc801\uc751\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc720\uc5f0\uc131\uc740 RCD\uac00 \ub2e4\uc591\ud55c \uc804\uae30 \uc2dc\uc2a4\ud15c\uc5d0 \uc6d0\ud65c\ud558\uac8c \ud1b5\ud569\ub420 \uc218 \uc788\ub3c4\ub85d \ud558\uc5ec, \ub2e4\uc591\ud55c \ud658\uacbd\uc5d0\uc11c \ud65c\uc6a9\uc131\uacfc \uc2e4\uc6a9\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n<\/p>\n

\uadf8\uc758 \uc8fc\uc694 \uc548\uc804 \uae30\ub2a5 \uc678\uc5d0\ub3c4, JCR3HM RCD<\/a><\/span> \ub610\ud55c \uc77c\uc2dc\uc801\uc778 \uc804\uc555 \uc218\uc900\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\ub294 \ud544\ud130\ub9c1 \uc7a5\uce58\ub97c \ud1b5\ud569\ud558\uc5ec \uc804\uc555 \ubcc0\ub3d9\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud569\ub2c8\ub2e4. \uc774 \uae30\ub2a5\uc740 \ubbfc\uac10\ud55c \uc804\uae30 \uc7a5\ube44\ub97c \ubcf4\ud638\ud558\uace0 \uc548\uc815\uc801\uc774\uace0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc804\ub825 \uacf5\uae09\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\n

\uc774 \uae30\ub2a5\uc758 \uae30\ub2a5 JCR3HM RCD<\/a><\/span> \ub610\ud55c 800V MCCB \uc804\uc790 \ub0b4\uc7a5 LSIG \ud2b8\ub9ac\ud504 \uc720\ub2db\uc758 \ud1b5\ud569\uc73c\ub85c \ub354\uc6b1 \ud5a5\uc0c1\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \uace0\uae09 \ud2b8\ub9ac\ud504 \uc720\ub2db\uc740 \uc815\ubc00\ud558\uace0 \uc548\uc815\uc801\uc778 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\uc5ec RCD\uac00 \uc7a0\uc7ac\uc801\uc778 \uc804\uae30 \uc704\ud5d8\uc5d0 \ud6a8\uacfc\uc801\uc73c\ub85c \ub300\uc751\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc804\uc790 \uad6c\uc870 \ub355\ubd84\uc5d0 MCCB\ub294 \ud0c1\uc6d4\ud55c \uc131\ub2a5\uacfc \ub0b4\uad6c\uc131\uc744 \uc81c\uacf5\ud558\uc5ec \uae4c\ub2e4\ub85c\uc6b4 \uc0b0\uc5c5 \ubc0f \uc0c1\uc5c5 \ud658\uacbd\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/p>\n<\/p>\n

The JCR3HM RCD<\/a><\/span> \uadf8\ub9ac\uace0 800V MCCB \uc804\uc790 \ub0b4\uc7a5 LSIG \ud2b8\ub9ac\ud504 \uc720\ub2db\uc740 \uc804\uae30 \uc548\uc804 \uae30\uc220 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \uc9c4\uc804\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc9c0\uc0c1 \ub2e8\ub77d, \ub204\uc124 \uc804\ub958 \ubc0f \uc804\uc555 \ubcc0\ub3d9\uc5d0 \ub300\ud55c \uc885\ud569\uc801\uc778 \ubcf4\ud638 \uae30\ub2a5\uacfc MCCB \ud2b8\ub9ac\ud504 \uc720\ub2db\uc758 \uace0\uae09 \uae30\ub2a5\uc774 \uacb0\ud569\ub418\uc5b4 \ud604\ub300 \uc804\uae30 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ubbff\uc744 \uc218 \uc788\ub294 \ud544\uc218\uc801\uc778 \uad6c\uc131\ud488\uc73c\ub85c \uc790\ub9ac\ub9e4\uae40\ud588\uc2b5\ub2c8\ub2e4. JCR3HM RCD\ub97c \uc120\ud0dd\ud568\uc73c\ub85c\uc368 \uc0ac\uc6a9\uc790\ub294 \uc548\uc804\uc131, \uc2e0\ub8b0\uc131 \ubc0f \uc548\uc2ec\uac10\uc744 \ud5a5\uc0c1\ub41c \uc218\uc900\uc73c\ub85c \ub204\ub9b4 \uc218 \uc788\uc73c\uba70, \uadf8\ub4e4\uc740 \uc790\uc2e0\ub4e4\uc758 \uc548\ub155\uacfc \uc804\uae30 \uc778\ud504\ub77c\uc758 \uc548\uc804\uc131\uc744 \ucd5c\uc6b0\uc120\uc73c\ub85c \uace0\ub824\ud55c \uc81c\ud488\uc5d0 \ud22c\uc790\ud558\uace0 \uc788\uc74c\uc744 \uc548\uc2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ubcf4\uc874\ud560 \uc99d\uac70:<\/strong> \uc2b9\uc778 \ud328\ud0a4\uc9c0\ub294 \uc2dc\uac04-\ud604\uc7ac \uace1\uc120, \uc67c\ucabd LSIG \ubc0f \uc794\ub958 \uc804\ub958 \uc124\uc815, \ubc30\uc120 \ubc0f \uc13c\uc11c \ub2e4\uc774\uc5b4\uadf8\ub7a8, \uc120\ud0dd\uc131 \ub610\ub294 \ubc31\uc5c5 \ubcf4\ud638 \ud45c, \uc2dc\uc6b4\uc804 \ud14c\uc2a4\ud2b8 \uae30\ub85d \ubc0f \ubaa8\ub4e0 \ud3b8\ucc28\ub97c \ud3ec\ud568\ud574\uc57c \ud569\ub2c8\ub2e4. \uc81c\ud488 \uaddc\uc815 \uc900\uc218\ub294 \uc644\ub8cc\ub41c \uc870\ub9bd \uc99d\uba85\uc11c\uc640 \ubcc4\ub3c4\ub85c \ubcf4\uad00\ud574\uc57c \ud569\ub2c8\ub2e4. IEC 61439-1:2020<\/a> \uadf8\ub9ac\uace0 \ud574\ub2f9 \uc870\ub9bd \ubd80\ud488\uc785\ub2c8\ub2e4.<\/p>\n

\"800v<\/p>","protected":false},"excerpt":{"rendered":"

800V JCR3HM RCD MCCB\ub97c \ud1b5\ud574 \uace0\uae09 \ubcf4\ud638 \uae30\ub2a5\uc744 \ubc1b\uc73c\uc138\uc694. \ucd5c\ub300 \uc548\uc804\uc744 \uc704\ud55c \ub0b4\uc7a5\ub41c LSIG \ud2b8\ub9ac\ud504 \uc720\ub2db. \uadc0\ud558\uc758 \uc804\uae30 \uc694\uad6c\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \uc81c\ud488\uc744 \ucc3e\uc544\ubcf4\uc138\uc694.<\/p>","protected":false},"author":1,"featured_media":3801,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3409","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"acf":[],"_links":{"self":[{"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/posts\/3409","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/comments?post=3409"}],"version-history":[{"count":3,"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/posts\/3409\/revisions"}],"predecessor-version":[{"id":4225,"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/posts\/3409\/revisions\/4225"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/media\/3801"}],"wp:attachment":[{"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/media?parent=3409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/categories?post=3409"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/tags?post=3409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}