Molded Case Circuit Breaker (MCCB) – HM1 Series

The HM1 Series Molded Case Circuit Breakers (MCCBs), including models HM1-125M, HM1-125L, HM1-250M, and HM1-630L, are designed for use in AC 50Hz power distribution systems. They are suitable for circuits with a rated insulation voltage of up to 1000V (690V for the 63A frame size), a rated operating voltage of 400V/690V, and a rated current of up to 1600A.

These circuit breakers are used for the distribution of electrical energy and provide reliable protection for power lines, power supplies, and electrical equipment against overload, undervoltage, and short-circuit faults, thereby enhancing the overall reliability and safety of the power system.

Under normal operating conditions, the HM1 Series can also be used for the infrequent switching of circuits and the occasional starting of motors.