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Flameproof and intrinsically safe dual circuit vacuum electromagnetic starter QJZ-2x120(80)/1140(660)

Suitable for coal mine in explosive environment, in rated frequency 50Hz, rated voltage 1 140V, 660V, rated total current up to 500A and below power supply system, used for three-phase AC two-speed motor start, stop, two-speed switching or two motors separate control, program control or one motor forward and reverse (electric reversible) control, etc. The motor and power supply line are protected to achieve the purpose of automatic control of power supply equipment.

Keywords:

Flameproof and intrinsically safe dual circuit vacuum electromagnetic starter QJZ-2x120(80)/1140(660)


DESCRIPTION

Product use

Suitable for coal mine in explosive environment, in rated frequency 50Hz, rated voltage 1 140V, 660V, rated total current up to 500A and below power supply system, used for three-phase AC two-speed motor start, stop, two-speed switching or two motors separate control, program control or one motor forward and reverse (electric reversible) control, etc. The motor and power supply line are protected to achieve the purpose of automatic control of power supply equipment.

Main feature

Double circuit starter designed for belt conveyor, scraper, water pump, two-speed motor and other power loads to achieve centralized control and reliable protection of the motor;

Double-circuit starter adopts quick-opening, contactor full package pull-out structure; Modular, universal, interchangeability, convenient and efficient disassembly, easy to use and maintain small size, easy to move;

Adopt high-end embedded integrated industrial computer to realize centralized control and communication management of each loop; High brightness TFT LCD screen, full Chinese multimedia interface, real-time measurement and display of system voltage, three-phase current, fault status, etc. Menu operation, with online query, modify technical parameters and other functions;

All analog signals are processed as digital signals, with strong anti-interference ability, simple wiring, large amount of information, reliable and accurate control characteristics; The output circuits are equipped with independent functions such as short circuit, overload, phase break, over and under voltage, leakage lock, pilot protection, fault self-diagnosis, contactor bonding, fault memory, etc.

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

It can realize single-loop independent control, multi-loop program control, on-line control, mutual backup, mutual switching and other operating modes.

With water level detection control device and water level probe, can set high, middle and low water level to achieve automatic drainage function, especially suitable for centralized control and protection of several small pumps;

The starter has the function of leakage protection and branch selective leakage protection, which can effectively prevent large area power failure |;

RS485, CAN, Ethernet interface, 4G/5G/WIFI can be configured to communicate with the coal mine power grid monitoring system, with telemetry, remote control, remote control, remote message, remote viewing and other functions to achieve unattended substation.

Main technical parameters

 

Product Model QJZ-2×80/1140(660)
QJZ-2×120/1140(660)
QJZ-2×200/1140(660)
QJZ-2×315/1140(660)
QJZ-2×400/1140(660)
QJZ-2×500/1140(660)
Rated voltage (V) 1140、660、380
Total rated current (A) 160、240、400 630、800、1000
Contactor module capacity (A) 80、120、200 400、500、630
Auxiliary Power Supply (V) 127、220
Combined Control mode Control 1 two-speed motor start and stop, 2 motors start and stop, 1 motor reverse and reverse rotation start and stop control
Lead-in device platform-type
Reveal Chinese color LCD screen
Control mode Near control (button) mode, remote control mode, network mode
Protection function "Independent short circuit, overload, phase break, over and under voltage, leakage lock, pilot protection, fault self-diagnosis, contactor bonding, fault memory and other functions"
Test function Short-circuit test, leakage test, leakage block test
Overall dimensions (mm) 720×760×540(width × height × depth) 890×950×700(width × height × depth)
Weight (kg) 240 400

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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

 

MESSAGE

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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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