... 430 employees,15000 square meter factory Product DescriptionCDSM2-400(NS MCCB) (MG MCCB) series moulded case circuit breaker is one of ... .2, IEC60947-2 standards. Classification of MCCB 1, Installation type of MCCB: MCCB are suiable for vertical or harizontal installation. ... 2, According to use of MCCB: Distribution circuit protection type, motor protection type; 3, ...