Low Voltage 1140V Vacuum Circuit Breaker for Mining
Low Voltage 1140V Vacuum Circuit Breaker for Mining image
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Basic Info.
Product Description
Our ZK1 low voltage vacuum circuit breaker is suitable for AC 50Hz, rated voltage of 1140V and below, and rated current of 630A and below, as the main switch and branch switch of the power supply system.
It can also be used for infrequent starting of large-capacity motors. And it is suitable for various protection devices to form various distribution switches, especially suitable for forming explosion-proof vacuum feeder switches in coal mines.
Applying ambient conditions
1. Ambient temperature: -5°C~+40°C;
2. Atmospheric conditions: When the temperature is +40°C, the relative humidity is not more than 50%;
3. Installation conditions: vertical installation, the inclination does not exceed 15°;
4. Pollution degree three: installation category main circuit III, control circuit II;
5. The height above sea level: <2000 m (Except special requirements);
Technical datas
Item
|
Unit
|
Data
|
Rated current
|
A
|
630
|
Rated voltage
|
kV
|
1.14
|
Limited Making Capacity
|
kA
|
12.5
|
Inherent Opening Time
|
ms
|
≤ 30
|
Closing Time
|
ms
|
≤ 100
|
Closing Bounce Time
|
ms
|
≤ 2
|
Mechanica life
|
times
|
20000
|
Electrical life
|
times
|
3000
|
Control voltage
|
V(AC)
|
220
|
Under Voltage, Shunt Release DC Supply
|
V
|
48
|
Closing power(W transient) W
|
W
|
2782
|
Closing power
|
W
|
48
|
Under-voltage power
|
W
|
5
|
Auxiliary switch
|
3NO, 3NC
|
|
Auxiliary contact capacity
|
Ue:AC380V Ie: 10A
|
FAQ
Q: Could I have prices of your products?
A: Welcome. Please feel free to send us inquiry here. We will reply you within 24 hours.
Q: Can I get a sample before the bulk order?
A: Yes, we welcome sample order to test and check quality.Mixed samples are acceptable.
Q: Can we print our logo/ company name on products?
A: Yes, of course, we accept OEM, then need you to provide brand authorization to us
Q:Do you accept product customization?
A:Yes, of course, please provide specific drawings or parameters, we will quote you after evaluation
Q: What is the lead time?
A: The lead time depends on the quantities ordered, generally within 7–20 days after receiving the payment.
Q: What is your Trade Terms?
A: We accept EXW, FOB, CIF, FCA, etc.
Q: What is your payment method?
A: We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc
Q: Do you inspect the finished products?
A: Yes, each step of production and finished products will be came out inspection by QC department before shipping. And we will provide goods inspection reports for your reference before shipment
Q: How to solve the quality problems after sales?
A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.
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