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Coal Mining Explosion-proof Vacuum Feeder Switch
Negotiable
MOQ: 1 Set (Price negotiable depending on order volume and customization)
Key Specifications
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Place of Origin:
Zhejiang, China
Brand Name:
DIANGUANG
Model Number:
KBZ-200(400)/1140(660)
Payment & Shipping
Payment Methods:
Port of Shipment:
China main port
Delivery Detail:
Delivery time depends on order quantity.
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Place of Origin
Zhejiang, China
Brand Name
DIANGUANG
Model Number
KBZ-200(400)/1140(660)
Max. Current
400A
Max. Voltage
1140V
Purpose
It is suitable to the coal mine well with mixed explosive gas containing methane. In the power supply system of 50 Hz AC, rated voltage of 1140 V and below and the triphase neutral not grounding directly. the product can be used as power distribution main switch , power distribution branch switch and also the control of motor which does not start frequently .
Technical Features
- With display of closing, breaking ,fault and insulation value of Kilohmmeter;
- Times of over load and short circuit are possible to modify by plug-in code dial;
- With protective functions of short circuit, over load, current leakage locked, triphase symmetrical current leakage ,optional current leakage, backup protection of current leakage of branch switch;
- With wind electricity and methane protective functions.
Technical Data
Rated Voltage(V) |
1140,660 |
Rated Current(A) |
400,200 |
Rated Frequency(Hz) |
50 |
Leakage act time |
0-999.99ms adjustable, step length 1 |
Leakage act Value |
0-999K ajustable, step length 1 |
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Business Type
Manufacturer, Trading Company
Year Established
1998
Factory Size
10,000-30,000 square meters
Total Employees
Above 1000 People
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