It is suitable for three-phase AC 50Hz, rated voltage 690V and below, rated current 4000A and below, in three-phase four wire system or three-phase five wire system and other power systems, used for power conversion, distribution and control.
It is one of the power control power distribution equipment which is widely used in low voltage distribution system at present. Due to its easy installation, flexible use, easy to maintain, economical and luxurious.