Gold Member Since 2006
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CNC Electric Group Co., Ltd.

Vacuum Switch, Electrical Switch, Electric Switch manufacturer / supplier in China, offering Mining Explosion-Proof Vacuum Feeder for Electrical Switch (KJZ-630), Distribution Box (YC-XSA), Bus Bar and so on.

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Supplier Homepage Product Mining Explosion proof product Mine EX Switch Mining Explosion-Proof Vacuum Feeder for Electrical Switch (KJZ-630)

Mining Explosion-Proof Vacuum Feeder for Electrical Switch (KJZ-630)

FOB Price: US $658.98-1,655.59 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $658.98-1,655.59/ Piece
Get Latest Price
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-630
  • Rated Current (a): 630,500
  • 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 mining 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 630A or 500A
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.

How to Order?
1. Please let us know what kind of model, color, battery capacity you need.
2. Proforma invoice (PI) will be sent to you.
3. Please check and confirm the PI.
4. Once we confirmed the order, please pay it soon.
5. After full payment, all goods will be sent to you in 3-5 days as usual.
6. OEM/ODM is welcomed. Free OEM for more than 500 sets orders.
Shipping:
1. Products are shipped via UPS / DHL / EMS / HK EMS / FedEx / TNT and so on expresses (door to door).
2. We Provide Drop shipping Service.
3.5 days delivery upon receiving payment if the qty is lower than 1000PCS and it is not customized products.
4. In order to ensure you receive your order tax free upon import, we declare lower value.
5. Shipping via EMS. UPS. FedEx and TNT express usually takes 3~7days dependent on the destination country.

Payment:
1. We accept Western Union and T/T, Paypal (extra 4% commission charge)
2.30% deposit and 70% before shipping
3. No payment collection. We only can deliver goods after getting full payment


Warranty:
1.6 months for batteries, 3 months for atomizers.
2. If the product is defective, please notify us within 3 days of delivery.
3. All products must be returned on their original condition, in order to qualify for a refund or exchange of goods
We provide 1 year warranty.
If the item is defective, please notify us within 3 days of delivery.
All item please be returned in their original condition in order to qualify for a refund or exchange of goods

Welcome to inquire, negotiate, we will be happy to provide you with the best quality products and personalized service!
 Model   KJZ-1000/1140(660)   KJZ-800/1140(660)
 Rated voltage (kV)  1140  660  1140  660
 Rated current (A)  630  630  500  500
 Limited On&Off capacity (kA)  12.5  15  9  12.5
 Leakage Lockout value(kΩ)  40+20%  22+20%  40+20%  22+20%
 Leakage action value (kΩ)  20  11  20  11
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