... DescriptionCDSM2-400(NS MCCB) (MG MCCB) series moulded case circuit breaker is one of new type breakers which this company adopts international ... to connection way: Front panel connection, back panel connection plug-in connection; 4, According to operation way: For direct handle operation ... specification: Pole No.: 3 pole, 4 pole Rated Working current (A): 12.5, 16, 20, 25, 32, 40, 50, 63.80 ...