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40A 63A Type A RCBO 4Pole 30mA 50Hz B32 เบรกเกอร์ MCB
A Type RCBO 40A 63A 30mA 3 Phase 400V B32 EKL5-63 40A 63A 30mA Type A RCBO B32 MCB Circuit Breaker。Rated residual operation current:30mA ,100mA ,300mA， Short-circuit current Inc= I c 10000A，Standard: IEC 61008- 1 , IEC 62423
