{"id":1394,"date":"2026-01-01T09:00:00","date_gmt":"2026-01-01T01:00:00","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/blog\/jc3le-2p-rcbos-tiny-guardian-stops-shocks-fires-2\/"},"modified":"2026-10-24T14:18:31","modified_gmt":"2026-10-24T06:18:31","slug":"jc3le-2p-rcbos-tiny-guardian-stops-shocks-fires-2","status":"publish","type":"post","link":"https:\/\/w9-group.com\/ko\/blog\/jc3le-2p-rcbos-tiny-guardian-stops-shocks-fires-2\/","title":{"rendered":"JC3LE-2P RCBO: 6 kA Ratings and Circuit Selection"},"content":{"rendered":"

A two-pole RCBO<\/a> order can look complete while omitting the residual-current waveform and fault duty. For JC3LE-2P, those details matter more than a broad promise to prevent shocks or fires: the protective functions must match the circuit and its installation rules.<\/p>\n

Summary: The JC3LE-2P is an RCBO: it combines overcurrent protection and \uc794\ub958 \uc804\ub958 \ubcf4\ud638<\/strong> in one two-pole device. Published product information describes 6-63 A choices, B or C curves, a Type A residual-current option in the current technical table and a 6 kA short-circuit rating; verify the exact order code before relying on any value. Start with circuit current, waveform, sensitivity, poles, fault level and local installation rules, then document the test-button and commissioning checks.<\/p>\n

JC3LE-2P Protection Scope<\/h2>\n

An RCBO is selected by the protection boundary it must cover, not by the label alone. The MCB element addresses overload and short circuit; the residual-current element compares current paths and trips when the declared residual current is exceeded.<\/p>\n

JC3LE-2P Protection Functions<\/h2>\n

The published JC3LE-2P description identifies double-pole switching, a contact indicator and selectable B\/C curves. The ordered \uc794\ub958 \uc804\ub958 \ud0c0\uc785<\/strong> must be matched to the connected load and the local code. A 30 mA, 100 mA or 300 mA sensitivity is a project decision; do not infer shock or fire protection from a generic RCBO name.<\/p>\n

Installation boundary<\/h3>\n

Route the neutral through the sensing path specified by the wiring diagram, torque terminals to the current instructions, and verify line\/load orientation. Test the device with the required instrument and record the result; a front test button does not replace the complete commissioning procedure.<\/p>\n

The \ub124\uadf9 RCBO \uac00\uc774\ub4dc<\/a> \uacbd\ubcf4 \uc2e0\ud638, \ubd80\ud558 \uc804\ub958 \ubc0f \ud30c\uad34 \ub2a5\ub825<\/strong> \ubcc4\ub3c4\uc758 \ud655\uc778\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

RCBO Specification Checks<\/h2>\n\n\n\n\n\n\n\n\n
\uacb0\uc815 \ucc28\uc6d0<\/th>\n\ubb34\uc5c7\uc744 \ud655\uc778\ud574\uc57c \ud560\uae4c\uc694?<\/th>\n\uc65c \uc911\uc694\ud55c\uac00<\/th>\n<\/tr>\n<\/thead>\n
Overcurrent<\/td>\nRated current and B\/C curve<\/td>\nMatches conductor ampacity and inrush<\/td>\n<\/tr>\n
Residual current<\/td>\nType AC or Type A; I\u0394n<\/td>\nMatches waveform and protection objective<\/td>\n<\/tr>\n
\ubd80\ud558 \uc758\ubb34<\/td>\nDeclared breaking capacity<\/td>\nMust exceed prospective fault current<\/td>\n<\/tr>\n
Switching<\/td>\nTwo-pole neutral isolation<\/td>\nSupports the specified isolation method<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Reading the current JC3LE-2P listing<\/h2>\n

The current W9 product table lists 6 kA at 230\/240 V, 50\/60 Hz, 6\u201363 A options, 30\/100\/300 mA sensitivity and B or C overcurrent curves. Its waveform table identifies Type A. These are separate specification fields: a 6 kA short-circuit rating does not describe residual-current sensitivity, and a B curve does not make the device a Type B RCD.<\/p>\n

An order should identify all these fields together. For example, a circuit requiring additional protection cannot adopt a higher residual-current threshold simply to stop unwanted operation. Investigate standing leakage, shared neutrals and connected equipment, then apply the destination rules and manufacturer instructions. Do not use this article as a live-work procedure.<\/p>\n

\ube44\uad50 RCBO \ubc0f RCCB \ubcf4\ud638<\/a> \ubd80\ubd84\uc804\ub958 \ucc28\ub2e8 \uae30\ub2a5\uacfc \uc794\ub958 \uc804\ub958 \uac10\uc9c0 \uae30\ub2a5\uc744 \uad6c\ubcc4\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n

RCBO Application Requirements<\/h2>\n\n\n\n\n\n\n\n
\uc751\uc6a9<\/th>\nCheck before release<\/th>\n<\/tr>\n<\/thead>\n
\uc870\uba85 \ubc0f \uc18c\ucf13 \ud68c\ub85c<\/td>\nLoad current, curve and 30 mA requirement<\/td>\n<\/tr>\n
Motor or refrigeration branch<\/td>\nStarting current and nuisance-trip margin<\/td>\n<\/tr>\n
Electronic loads<\/td>\nResidual-current waveform and Type A need<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\uaddc\uaca9 \ubc0f \uc900\uc218\uc0ac\ud56d<\/h2>\n

IEC 61009-1 is the product standard for RCBOs; IEC 61008-1 covers RCCBs without integral overcurrent protection. IEC 60364-4-41 addresses protection against electric shock at installation level. A standard reference is not a certificate for every model, so request the exact declaration, test scope and wiring diagram for the supplied device.<\/p>\n

\uc120\uc815 \ubc0f \uc2dc\uc6b4\uc804 \uccb4\ud06c\ub9ac\uc2a4\ud2b8<\/h2>\n
    \n
  1. \uae30\ub85d\ub41c \uc804\uc555, \uc804\ub958, \ud3f4, \ubd80\ud558 \ud504\ub85c\ud30c\uc77c \ubc0f \uc7a0\uc7ac\uc801 \uacb0\ud568 \uc804\ub958.<\/li>\n
  2. \uc815\ud655\ud55c \ubaa8\ub378\uacfc \uc561\uc138\uc11c\ub9ac\ub97c \uc2b9\uc778\ub41c \ub3c4\uba74 \ubc0f \ud45c\uc900\uc5d0 \ub9de\uac8c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<\/li>\n
  3. \uac80\ud1a0 \uc2dc \uc720\uc758\uc0ac\ud56d, \ud5c8\uac00 \uc0ac\ud56d, \uc628\ub3c4 \ubc0f \uaca9\ub9ac \uc870\uac74 \ub4f1\uc744 \uac80\ud1a0\ud569\ub2c8\ub2e4.<\/li>\n
  4. \uc81c\ucd9c \ubc94\uc704 \ub0b4\uc5d0\uc11c \uc120\uc5b8\uc11c, \uc2dc\ud5d8 \uc99d\uac70 \ubc0f \uc124\uce58 \uc9c0\uce68\uc744 \uc694\uccad\ud558\uc2ed\uc2dc\uc624.<\/li>\n
  5. \uc124\uc815, \ud1a0\ud06c \ubc0f \uae30\ub2a5 \ud14c\uc2a4\ud2b8 \uacb0\uacfc\ub97c \uc2dc\uc6b4\uc804 \uc2dc \uae30\ub85d\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n

    \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n

    Is JC3LE-2P a 10 kA RCBO?<\/h3>\n

    The current product table lists 6 kA, not 10 kA. Use the delivered order code and marking to confirm the rating at the actual circuit voltage; do not borrow a rating from a different JC3LE model.<\/p>\n

    Does the B curve mean Type B residual-current protection?<\/h3>\n

    No. B and C curves describe overcurrent operation, while Type A describes residual-current waveform<\/strong> capability. Both fields must be specified independently.<\/p>\n

    Can a 300 mA option replace a required 30 mA device?<\/h3>\n

    Not merely to avoid tripping. Sensitivity must satisfy the circuit’s protection objective and local installation rules; a higher threshold is not an equivalent substitute for required additional protection.<\/p>\n

    Why does an RCBO trip with its load disconnected?<\/h3>\n

    A shared or incorrectly routed neutral, wiring defect or device problem may remain even when the appliance is removed. A competent electrician should isolate and test the circuit rather than repeatedly reset it.<\/p>\n

    \ucc38\uace0\ubb38\ud5cc<\/h2>\n