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Flameproof and intrinsically safe vacuum feed switch for mine (spring mechanism series)KJZ-(630)500/1140(660)

It is suitable for underground coal mine in explosive environment, in the power supply system with rated frequency 50Hz, rated voltage 1140V, 660V, rated current 1000A and below three-phase neutral point ungrounded, as the main switch or separate switch of the distribution system, and can also be used as the infrequent start and stop of large capacity motor. 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.

Keywords:

Flameproof and intrinsically safe vacuum feed switch for mine (spring mechanism series)KJZ-(630)500/1140(660)


DESCRIPTION

Product use

It is suitable for underground coal mine in explosive environment, in the power supply system with rated frequency 50Hz, rated voltage 1140V, 660V, rated current 1000A and below three-phase neutral point ungrounded, as the main switch or separate switch of the distribution system, and can also be used as the infrequent start and stop of large capacity motor. 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.

Main feature

The shell adopts the translation quick-opening structure, small size (the interior adopts the modular design), easy and fast operation;

Circuit breaker using spring mechanism vacuum circuit breaker, electrical closing, mechanical maintenance; With electrical and mechanical manual switching function;

All Chinese, LCD real-time display system three-phase voltage, three-phase current, power factor, active power, reactive power, electrical degree, insulation resistance, switching state, fault information and other parameters;

The integrated protector adopts advanced microprocessor and large-capacity new chip, with high-precision data processing and advanced protection algorithm, high protection accuracy and fast response speed;

With short circuit, overload, overvoltage, undervoltage, three-phase imbalance, phase break, selective leakage, leakage block, wind power block, gas block and other protection functions;

Innovative anti-interference and electromagnetic shielding design to accurately protect power supply systems with inverters;

The universal design of the main switch and the separate switch, the choice of switching freedom; Three voltages (1140V, 660V, 380V) integrated design, a wider range of application ";

With pilot, program, network (RS485 and Ethernet) control, flexible and convenient;

Optional configuration of RS485, CAN, Ethernet interface, 4G/5G/WIFI and coal mine power grid monitoring system communication, with telemetry, remote control, remote control, remote message, remote viewing and other functions, to achieve unattended substation.

Main technical parameters

 

Product Model KJZ- □/1140(660)
Rated voltage (V) 1140、660、380
Rated current (A) 200 400 500 630 800 1000
Limiting breaking current (kA) 9 9 15 15 20 20
Rated frequency (Hz) 50
Circuit breaker class Spring mechanism vacuum circuit breaker
Control mode Local control, remote control, communication control
Intrinsic safety parameter Uo= DC6V l o=100mA Co=10 μF Lo=5mH
Overall dimensions (mm)(width × height × depth) 720×760×510 840×890×670 840×935×700
Weight (kg) 260 300 350

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Longyuan Xinke Electric Co., Ltd


+86-391-6836868

+86-391-2193665

Add:Zone B, Tiantan Venture Park, High tech Zone, Jiyuan City, Henan Province

Tel:+86-391-6835588

Email:lyxkdq@163.com

 

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Who are we?

The company is committed to providing advanced technology, stable quality, safe and reliable mining explosion-proof electrical equipment and automation systems for the mining industry. The company's products cover nearly 100 specifications and models of various high and low voltage switches in coal mines, and are suitable for various application scenarios in Electrical substation, roadways, and mining faces.

Longyuan Xinke Electric Co., Ltd

+86-391-6836868

+86-391-2193665

Add:Zone B, Tiantan Venture Park, High tech Zone, Jiyuan City, Henan Province

Tel:+86-391-6835588

Email:lyxkdq@163.com

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