Suitable for underground coal mine in explosive environment, in rated frequency 50Hz, rated voltage 1140V, 660V, 380V three-phase neutral point ungrounded power supply system, The 1140V, 660V, 380V power supply into 127V lighting and signal load power supply, power control, short circuit, leakage and other protection for the integrated explosion-proof electrical equipment. Connected with KJ series underground coal mine power grid monitoring system, it can realize remote automatic control, monitoring and monitoring of power equipment, and realize modern management such as unattended substation.

Suitable for coal mine in explosive environment, in rated frequency 50Hz, rated voltage 1140V, 660V, 380V three-phase neutral point ungrounded power supply system, the 1140V, 660V, 380V power supply into 127V lighting and signal load power supply, power control, short circuit, leakage protection as one of the comprehensive explosion-proof electrical equipment; This product realizes the functions of dual power supply 1140 (660) V input, four or two 127V power output control, etc. When the main circuit power supply loses power, the backup circuit power supply will automatically put into work; Mainly used for monitoring equipment, communication equipment, video system, lighting equipment and other uninterrupted power supply. Connected with KJ series underground coal mine power grid monitoring system, it can realize remote automatic control, monitoring and monitoring of power equipment, and realize modern management such as unattended substation.

Suitable for coal mine in explosive environment, in rated frequency 50Hz, rated voltage 1140V, 660V, 380V three-phase neutral point ungrounded power supply system, the 1140V, 660V, 380V power supply into 127V lighting and signal load power supply, power control, short circuit, leakage protection as one of the comprehensive explosion-proof electrical equipment; This product realizes the functions of dual power supply 1140 (660) V input, four or two 127V power output control, etc. When the main circuit power supply loses power, the backup circuit power supply will automatically put into work; Mainly used for monitoring equipment, communication equipment, video system, lighting equipment and other uninterrupted power supply. Connected with KJ series underground coal mine power grid monitoring system, it can realize remote automatic control, monitoring and monitoring of power equipment, and realize modern management such as unattended substation.