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CNC Electric Group Co., Ltd.

Mining Explosion Proof, Electromagnetic Motor Starter, Mine Starter manufacturer / supplier in China, offering Mining Explosion Proof Starter (QJR-200), Cjx2 (LC1-D) 4-Phase AC Contactor, Square Standard Output Current Transformer and so on.

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Supplier Homepage Product Mining Explosion proof product Mine EX Starter Mining Explosion Proof Starter (QJR-200)

Mining Explosion Proof Starter (QJR-200)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 1000PCS/Week
Transport Package: Export Packing
Payment Terms: L/C, T/T, D/P, Paypal, O/A

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Basic Info
  • Model NO.: QJR-200
  • Rated Current (a): 400, 315, 200
  • Weight (Kg): 1400
  • Trademark: CNC
  • Origin: Wenzhou, Zhejiang
  • Rated Voltage (V): 1140V, 660V
  • Outline Dimension (Mm): 2300X595X800
  • Max Power (Kw): 590/340,450/270,290/170
  • Specification: CE, ISO, CCC
Product Description
Mining Explosion proof Starter (QJR-200)

1. Function

This series mine explosion-proof and intrinsically safe AC soft starter is applicable in AC
50Hz distribution system with rated voltage of 1140V, 660V or 380V and rated current of
200A in underground coal mines with explosive and dangerous gas(methance) and coal
Dust, it is used to control the direct start and stop, soft start and stop of three-phase
Squirrel-cage asynchronous motor in local or remote distance. It is an ideal new generation
Product to replace traditional star-delta starter and auto-transformer starter.

2. Characteristics

2.1 Liquid crystal English display for each parameter with simple and straightforward
Setting and operation
2.2 The core adopts advanced all digital transmission controller of 16 digits single chip
2.3 Current-limiting start, voltage-ramp start, torque control, torque accelerated jumping
Start and other start modes.
2.4 Self-check protective function of short circuit, loss of phase, leakage lockout, over
Voltage, over current, etc.
2.5 High reliability and anti-interference with very high voltage adaptability and high antiinterference
Ability of power supply
2.6 Built-in EPROM can store each kind of spot parameter to save information in power off
 Model    QJR-200/1140(660,380)    QJR-120/1140(660,380)    QJR-80/1140(660,380)
 Rated voltage (kV)  1140  660  380  1140 660   380  1140  660  380
 Rated current (A)    200     120   80
 Frequency(Hz)                                                                     AC50HZ
 Start time(s)                                                              adjustable(max.60)
 Start acceleration(m/s2)                                                              adjustable(max.60)
 Max.times of current overload                                                        It's adjustable under 6 times
 Leakage lockout value (kΩ)  40+20%  22+20%  7+20%  40+20%  22+20%  7+20%  40+20%  22+20%  7+20%
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