Gold Member Since 2006
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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 (QBZ-120), 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 (QBZ-120)

Mining Explosion Proof Starter (QBZ-120)

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.: QBZ-120
  • 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 (QBZ-2× 120(80)/1140(660, 380)SF)

1. Function

This mine explosion-proof dual power vacuum electromagnetic starter is applicable in AC
50hz distribution system with voltage of 1140V, 660V, 380V in underground coal mines with
Explosive and dangerous gas(methane)and coal dust, it is used to offer automatic switching
To dual power supply dual fan and realize master-slave switching over operation mode of
Dual power supply and dual fan, ensuring uninterrupted ventilation in coal mine for long
Time, it is the most ideal control equipment dual fan in coal mines especially for mines with
Heavy gas.

2. Characteristics

2.1 With protective functions for short circuit, loss of phase, leakage lockout, over voltage,
Over current etc.
2.2 With lockout protectiv function for fan and power supply
2.3 Two-loop(The fan is general axial-flow fan, and the switch is selective according to
User's requirement)
2.4 Two-loop switching over time is adjustable
 Model          QBZ-120/1140(660,380)SF                   QBZ-80/1140(660,380)SF
 Rated voltage (kV)  1140  660  380  1140 660   380
 Rated current (A)   120     80
  Max.power of controlled motor (kW)                                                                      175,100,55 115,65,35
 Control voltage (V)                                                                          36
 Leakage lockout value (kΩ)  40+20%  22+20%  7+20%  40+20%  22+20%  7+20%

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