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CNC Electric Group Co., Ltd.

Vacuum Switch, Electrical Switch, Electric Switch manufacturer / supplier in China, offering Mine Explosion-Proof Vacuum Feeder Switch (KJZ-1000), Double-Winding Non-Excitation Tap-Changing Oil Immersed Distribution Transformer of 6~10V, CNC Sz9/Szf9 Oil Immersed on-Load-Tap-Changing Transformer of 35kv and Below and so on.

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Supplier Homepage Product Mining Explosion proof product Mine EX Switch Mine Explosion-Proof Vacuum Feeder Switch (KJZ-1000)

Mine Explosion-Proof Vacuum Feeder Switch (KJZ-1000)

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.: KJZ-1000
  • Rated Current (a): 1000,800
  • Weight (Kg): 1400
  • Trademark: CNC
  • Origin: Wenzhou, Zhejiang
  • Rated Voltage (V): 1140,660
  • Outline Dimension (Mm): 2300X595X800
  • Max Power (Kw): 590/340,450/270,290/170
  • Specification: CE, ISO, CCC
Product Description
1. Function

This mine explosion-proof type vacuum feeder switch is mainly used as low-voltage feeder
Switch for mobile substation(After the cover board is opened, it is oppositely connected with
Dry transformer) or main switch or branch switch in AC 50Hz power distribution system of
Indirect neutral-point earthing with voltage of 1140V or 660V and current of 1000A or 800A
In underground coal mines with explosive and dangerous gas(methane) and coal dust and it
Is also used for non-frequent start of big capacity motor.

2. Characteristics

2.1 Blue screen real-time English display for parameters like voltage, current, insulating
Value and switching-on times etc.

2.2 Standard RS485/232 communication interface.

2.3 Multiple Protective functions for overload, short circuit, loss of phase, electric leakage,
Leakage lockout, over voltage, under voltage etc.

2.4 Function of fan and power supply lockout, gas lockout, high-voltage electric interlock.
 Model   KJZ-1000/1140(660)   KJZ-800/1140(660)
 Rated voltage (kV)  1140  660  1140  660
 Rated current (A)  1000  1000  800  800
 Limited On&Off capacity (kA)  15  20  15  20
 Leakage Lockout value(kΩ)  40+20%  22+20%  40+20%  22+20%
 Leakage action value (kΩ)  20  11  20  11

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