... current is under 400A. Take protect effect when mousecage motor's non-frequent start, breaking off working and protecting overload, short ... suiable for vertical or harizontal installation. 2, According to use of MCCB: Distribution circuit protection type, motor protection type; 3, ... poles, there poles, four poles. 7, The neutral poles (N poles) of four poles MCCB has for types: 8, Type A: No ...