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Moulded Case Circuit Breaker

  • RCCB (Earth Leakage) WCM1L-250-4300
  • RCCB (Earth Leakage) WCM1L-250-4300
  • RCCB (Earth Leakage) WCM1L-250-4300
RCCB (Earth Leakage) WCM1L-250-4300 RCCB (Earth Leakage) WCM1L-250-4300 RCCB (Earth Leakage) WCM1L-250-4300

RCCB (Earth Leakage) WCM1L-250-4300

Key Information

WCM1L

Pole: 2P, 3P, 3P+N,4P

Voltage: AC230V/400V

kA: 35-75kA

Inm(A): 100,125, 250, 400, 800

In(A): 10A-800A

General

WCM1L series residual current protection moulded case circuit breaker (RCCB for short) is one new breaker researched and developed by advanced international design and manufacture technology of the company. The rated insulation voltage 800V, applies AC50Hz, rated operation voltage 400V, rated operation current upto 800A for infrequent switch of the line and infrequent start of the motor. RCCB has protection functions to overload, short circuit and under voltage, to protect the line and power device from deamge, also make protection to the fire caused by grounding fault at long time that undetected under over current.

RCCB is divided into type M (higher breaking), and type H (very high breaking), has features of smal volume, high breaking, short flashover, vibration resistance, etc.,

Main technical parameters

ModelWCM1L-125WCM1L-250WCM1L-400WCM1L-800
Frame current Inm (A)125250400800
Rated current In (A)(10), 16, 20, 25, 32, 40, 50, 63, 80, 100, 125100, 125,140, 160, 180, 200, 225, 250225, 250, 315, 350, 400400, 500, 630, 700, 800
Pole (P)2342343434
Rated insulation voltage Ui (V)AC800
Rated operation voltage Ue (V)AC400
Rated impulse withstand voltage Uimp (V)8000800080008000
Flashover distance (mm)≯50≯50≯100>100
Breaking capacity rankMH
MH
M
M
Ultimate short circuit breaking capacity Icu (kA)AC 400V35
503550
5050
Operation short circuit breaking capacity Ics (kA)AC 400V22
352250
3535
Rated residual operation current IΔn (mA)Non-delayed type100/300/500-
Delayed type100/300/500300/500/1000
Rated residual non-action current IΔno (mA)IΔn/2
Rated residual short circuit connecting (breaking capacity IΔm (kA)Icu/4
Operation performance (times)Power-on1500100010001000
Power-off8500700040004000
Shunt release>>>>>>>>
Under voltage release>>>>>>>>
Leakage alarm unit modular>>>>>>>>
Auxiliary contact>>>>>>>>
Alarm contact>>>>>>>>
Motor-driven operation mechanism>>>>>>>>
Rotating handle operation mechanism>>>>>>>>


Notes: 1. It includes vertical and horizontal installation of ultimate breaking and flashover distance;
            2. Three poles circuit breaker of this series connects with three phase loading, of which can not be with neutral line, otherwise the circuit breaker will make fault operation;
           3. Three poles circuit breaker of this series connects with three phase loading, phase line at left pole, neutral line at right pole not the middle pole.


Contact Us

Contact: westhomes

Phone: 0097142210039/0097142297823

Tel: 05666-16680

E-mail: westhomeshhz@gmail.com

Add: Show Room No.1-Sabkha UAE SHOWROOM

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