What is the electrical equipment class A, class B, class C equipment

Category A equipment: refers to the outage of the system stability level, mode of operation or power supply capacity has a very large impact on the equipment.

Category B equipment: refers to the outage of the local grid operation mode or power supply capacity of the equipment has a greater impact.

C class equipment: refers to the shutdown of the system mode of operation and power supply capacity of the smaller impact of the equipment.