| Breaking Capacity: | High Voltage Circuit Breakers |
|---|---|
| Operation: | Energy-storage Type |
| Speed: | Normal Type Circuit Breaker |
| Arc-extinguishing Medium: | Vacuum |
| Installation: | Insert |
| Structure: | Vcb |
| Customization: |
|---|
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Audited Supplier 
VBI indoor high-voltage vacum circuit breaker is an indoor device with three-phase AC 50Hz and rated voltage of 40.5kV. It can be used for the control and protection of electrical equipment in industrial and mining enterprises, power plants and substations, especially for places with frequent operations. The installation form of the circuit breaker in the switch cabinet can be either a fixed type or a withdrawable type installed on a trolley.
VBI indoor high-voltage vacuum circuit breaker has reliable performance and is easy to install. It is the best choice for the control and protection of high-voltage transmission and distribution systems.
Applying ambient conditions
1. Ambient air temperature: -40ºC~+40ºC, and no more than 35°C within 24 hours
2. Relative humidity: the daily average value is not greater than 95%; the monthly average value is not greater than 90%
3. Altitude:≤1000m
Technical datas
| No. | Item | Unit | Data | ||
| 1 | Rated voltage | KV | 40.5 | ||
| 2 | 1min rated short-duration power frequency withstand voltage | KV | 95 | ||
| 3 | Lightning impulse withstand voltage | KV | 185 | ||
| 4 | Rated frequency | Hz | 50/60 | ||
| 5 | Rated current | A | 630/1250/1600/2000/2500 | ||
| 6 | Rated short-circuit breaking current | KA | 20 | 25 | 31.5 |
| 7 | Rated short-circuit making current (peak value) | KA | 50 | 63 | 80 |
| 8 | Rated short-time withstand current | KA | 20 | 25 | 31.5 |
| 9 | Rated peak withstand current | KA | 50 | 63 | 80 |
| 10 | Rated short-time withstand current duration | S | 4 | ||
| 11 | Rated operating sequence | 0-0.3s-CO- 180s-CO | |||
| 12 | Rated short-circuit current breaking times | Times | 30 | ||
| 13 | Mechanical Life | Times | 10000 | ||
|
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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