'.ded Case Cirsuit Breaker GM2(NS) series moulded case circuit breaker is applicable to the circuit of AC 50/60Hz,rated insulation voltage 950V,rated opertating voltage up to AC 690V .rated operating currnet 12.5A -630A.It can be used for power distribution and prodection of electrical equipment in case of overload,short circuit and undervoltage and also for unfrequent switchover of electrical circuits under normal conditions.The MCCB conforms to standard of IEC60497-2&GB1404S-2.According to its limit short circuit breaking capacity(lcu),the breaker are classified into D-type(economical type with overload release on N pole) ,N-type(standard type)and H-type(high breaking capacity type)&L-type(highest breaking capacity type). Rated Rated Arcing No. insulation operating over of voltage voltage distance capacity(KA) capacity(KA) Mounting on the back panel