The rated insulation voltage of SJHM1Series Moulded Case Circuit Breaker is 800V. It is suitable for the circuit with AC50Hz(60Hz), rated working voltage below 690V, rated working current below 1250A. The breaker has protection fuction for over voltage, short circuit and undervoltage which can protect the wire and power euqipment.
According to the rated imit short-circuit competence, the breaker can be divided into C type (common type), L type (standard type), M type (higher segmented type), H type (Highest segmentation type). The breaker have the advantage of small volum, high competence, short flying fox, and ant - vibration which is the ideal product for the useage in land and boats.
The breaker can be installed vertically and horizontally.
The breaker is according to IEC60947-2 and GB14048.2.