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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 (QJGR-6(10)Series), 10W Mini AC to DC Switching Power Supply LED Driver CCTV PSU, 3phase DC to AC Variable Frequency Drive Water Solar PV Inverte and so on.

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Supplier Homepage Product Mining Explosion proof product Mine EX Starter Mining Explosion Proof Starter (QJGR-6(10)Series)

Mining Explosion Proof Starter (QJGR-6(10)Series)

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.: QJGR-6(10)Series
  • 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 (QJGR-6(10)Series)


1. Function

The QJGR-/6(10) Series Mine Explosion-proof and Intrinsically Safe HV AC vacuum Soft
Starters applies to underground coal mines where is filled with explosive gas(methane)and
Coal dust. It is used to control the direct start and start and stop, soft start and stop of
Three-phase squirrel-cage asynchronous motor in local or remote distance, rated voltage
6KV/10KV, frequency50/60HZ.

2. Characteristics

2.1 With protective functions of motor overload over-voltage, under-voltage, current
Imbalance, zero sequence current, frequency motion, speed loss, stall current, overfrequent
Starting, over-heating, phase sequence checking, monitoring of motor and
Cable insulation etc,;
2.2 Whole course on-line monitoring of working voltage, current, operation time with high
Reliability;
2.3 With RS485 communication interface to realize central monitoring and control;
Characteristic of small stating current, low mechanical pound, smooth and adjustable
Starting current and speed, reliable starting process, low shock to the grid and
Mechanical equipment, overall electrical protection etc. It is a ideal new-generation
Replacement for traditional direct start, star-delta star, reactor start and self-coupling
Reduction voltage start.
Technical parameters  QJGR-/6  QJGR-/10
Rated voltage (kV)  6  10
Maximum working voltage (KV)  7.2  12
Rated current of starter (A)    50A,100A,150A, 200A, 250A, 400A
Rated frequency (Hz)    50
Rated current of adopted contactor (A)    400
Rated breaking capacity (25time) (A)     Maximum breaking capacity: 3200
Rated closing current (100times) (A)    4000
Rated short-time peak withstand current A/time (S)     10000/>0.3
Rated short-time withstand current A/time (S)     4000/2
Limiting breaking current(3times) (A)     4000
Mechanical endurance (ten thousand time)      100
Mechanical endurance for disconnecting bolt (time)     1000
Operating voltage    DC110V
Main loop resistance   ≤40μΩ
Overload withstand current   6000A s
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