Blokset series are low voltage switchgear that Schneider company authorizes Mingyang Electric to manufacture, which are suitable in the power generation system and power supply system with three-phase AC 50Hz, rated working voltage of 380V(660V) and rated current of 5000A and below for the collective control and capacitance compensation of power, power distribution and electromotor. It is widely used in power station, petroleum, chemical engineering, metallurgy, textile, and high-rise buildings, etc.