The product is mainly applicable in the coal mine with explosive gas (methane mixture), to control, protect and measure in the three-phase AC neutral point not directly grounded power supply system of rated voltage 10KV, 6KV, rated frequency 50Hz.

The product is suitable for underground coal mines with explosive dangerous gas, in the power supply system with rated voltage of 10kV or 6kV, rated frequency of 50Hz, and three-phase AC neutral point is not directly grounded, as high-voltage power distribution, high-voltage starter and other high-voltage electrical equipment. , used for its secondary control power supply and metering signal, and its explosion-proof performance and electrical performance meet the requirements of national standards and industry standards.

The product is mainly used in coal mine with explosive dangerous gas (methane mixture). The power supply system with rated voltage of 10 kV, 6 kV, rated frequency of 50 Hz and non-direct grounding of three-phase AC neutral point is used to control, measure and protect the power supply system with rated voltage of 10 kV, 6 kV, rated frequency of 50 Hz and non-direct grounding of three-phase AC neutral point.

The product is mainly applicable in the coal mine with explosive gas (methane mixture), to control, protect and measure in the three-phase AC neutral point not directly grounded power supply system of rated voltage 10KV, 6KV, rated frequency 50Hz.