It is applicable to three-phase AC 50Hz power system, used for receiving and distributing electric energy in power plants, substations and distribution rooms of industrial and mining enterprises, and for controlling, protecting and monitoring circuits. This product meets the following standards: GB3906 3~35kV AC Metal Enclosed Switchgear, GB/T11,022 Common Technical Requirements for High Voltage Switchgear and Control Equipment Standards
IEC60298 AC Metal Enclosed Switchgear and Control Equipment with Rated Voltages above 1kV and below 50kV.