| Breaking Capacity: | High Voltage Circuit Breakers |
|---|---|
| Operation: | Energy-storage Type |
| Speed: | Normal Type Circuit Breaker |
| Arc-extinguishing Medium: | Vacuum |
| Installation: | Indoor |
| Structure: | Vcb |
| Samples: |
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| Customization: |
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VSG -12kV Spring Operating Mechanism for Vacuum Circuit Breaker
This VSG actuating mechanism is for VSG-12 vacuum circuit breaker, is a type of front indoor high voltage VCB, suitable for 3 phase AC,50 Hz, and rated voltage of 12kV, and applied in places with breaking of different load and frequent operations as protection and control unit, such as industrial and mining enterprise, power plants and transformer substations.
Working Conditions:
1. Altitude not exceeding 2000m;
2. Ambient temperature: -15°c ~+40°c;
3. Relative humidity: monthly average not exceeding 95%, daily relative humidity not exceeding 95%;
4. Earthquake level not exceeding 8 class;
5. Without peril of fire, corrosion gas, explosion, vibration.
Techinical Data
| Item | Unit | Data | |
| Rated voltage | kV | 12 | |
| Rated insulation voltage | 1 min power frequency withstand voltage | kV | 65 |
| Lightning impulse withstand voltage(peak) | kV | 75 | |
| Rated frequency | Hz | 50/60 | |
| Rated current | A | 630,1250,1600,2000,2500,3150 | |
| Rated short-time withstand current | kV | 20,25,31.5 | |
| Rate peak withstand current | 50,63,80 | ||
| Rate short-circuit duration | S | 4 | |
| a.c. component of rate short-circuit breaking current | kA | 42 | |
| Rated short-circuit making current | kA | 50,63,80,100 | |
| Mechanical life | time | 10000 | |
| Permitted abrasion thickness of moving and fixed contacts | mm | 3 | |
| Arcing time | ms | ≤15 | |
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.
Suppliers with verified business licenses
Audited Supplier 
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