ERM1 series plastic case circuit breaker

ERM1 series plastic case circuit breaker (hereinafter referred to as circuit breaker) is suitable for AC 50Hz (or 60Hz), its rated insulation voltage is 690V (ERM1-63 type is 500V), rated working voltage 400V and below, rated working current to 1250A in the circuit for infrequent conversion and infrequent motor start (Inm<630A and below). The circuit breaker has overload, short circuit and undervoltage protection functions to protect the line and power supply equipment from damage.