Application

The design of KNSV series of MCCB reflects the limiting principle and manufacturing technology, characterized by compact structure, full modularization, high breaking, and zero arcover.  lts rated insulation voltage is 750V, rated operating voltage is AC50/60Hz, 690V and below, rated working current up to 630A.  It's used for generating infrequent conversion and infrequent startup of the motor.  Circuit breaker is equipped with overload, short circuit and under voltage protection devices, so as to protect the circuit and E type compact power equipments from damage.

Main technical parameters