Flameproof and intrinsically safe multi-loop vacuum electromagnet

Flameproof and intrinsically safe multi-loop vacuum electromagnetic starter QJZ-1800/1140(660)-6(4)

Suitable for underground coal mine in explosive environment, in rated frequency 50Hz, rated voltage 1140V, 660V power supply system, The three-phase AC asynchronous induction motor or two-speed motor of shearer, scraper conveyor, crusher, transfer machine, emulsion pump, spray pump, belt conveyor and other equipment is controlled separately, sequentially, single-machine two-speed control, two-machine two-speed control, etc., and the motor and power supply line are protected. 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.

Flameproof and intrinsically safe multi-loop vacuum electromagnetic starter QJZ-2400/1140(660)-12(10, 8)

Suitable for underground coal mine in explosive environment, in rated frequency 50Hz, rated voltage 1140V, 660V power supply system, The three-phase AC asynchronous induction motor or two-speed motor of shearer, scraper conveyor, crusher, transfer machine, emulsion pump, spray pump, belt conveyor and other equipment is controlled separately, sequentially, single-machine two-speed control, two-machine two-speed control, etc., and the motor and power supply line are protected. 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.

Flameproof and intrinsically safe multi-loop vacuum electromagnetic starter QJZ-480/1140(660)-4 for mines

Suitable for underground coal mine in explosive environment, in rated frequency 50Hz, rated voltage 1140V, 660V, rated total current up to 630(480)A and below power supply system, Control several small belt conveyor, small scraper, small water pump, variable frequency - body machine lubrication pump, cooling fan, hydraulic coupler, brake holding, tensioning and other equipment, the controlled motor can achieve single control, multiple program control, and protect the motor and power supply line, to achieve the purpose of automatic control of power supply equipment.

Flameproof and intrinsically safe multi-loop vacuum electromagnetic starter QJZ-630/1140(660)-8(6)

Suitable for underground coal mine in explosive environment, in rated frequency 50Hz, rated voltage 1140V, 660V, rated total current up to 630(480)A and below power supply system, Control several small belt conveyor, small scraper, small water pump, variable frequency - body machine lubrication pump, cooling fan, hydraulic coupler, brake holding, tensioning and other equipment, the controlled motor can achieve single control, multiple program control, and protect the motor and power supply line, to achieve the purpose of automatic control of power supply equipment.