| Breaking Capacity: | High Voltage Circuit Breakers |
|---|---|
| Operation: | Manual Type |
| Speed: | Normal Type Circuit Breaker |
| Arc-extinguishing Medium: | Vacuum |
| Installation: | Insert |
| Structure: | Vcb |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier Indoor High Voltage Vacuum Circuit Breaker is three-phase AC 50Hz, Rated voltage of 12kV indoor device, For industrial and mining enterprises, power plants and substations as electrical equipment control and protection purposes, and for frequent operation of the place. It can be fixed in a switch cabinet or installed on a handcart. Stable performance and easy installation.
Applying Ambient Conditions:
• Ambient temperature: not higher than +40°C, not less than −10°C (at −30°C to allow storage and transportation).
• Altitude: not exceed 1000m.
• Relative humidity: daily average of not more than 95%, saturated vapor pressure on the average of not more than 2.2×10-3MPa, On average not more than 1.8× 10-3MPa.
• Earthquake intensity: not more than eight.
• No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.
| item | unit | data |
| rated volt | kv | 40.5 |
| rated current | a | 1250 1600 2000 |
| rated frequency | Hz | 50 |
| Rated short-circuit breaking current | ka | 63 80 |
| 4s rated short-time withstand current | ka | 25 31.5 |
| Rated peak withstand current | ka | 63 80 |
| 1min Frequency withstand voltage | kv | 95 |
| Lightning Impact Withstand Voltage | kv | 185 |
| Rated sequence of operation | 0-0.3s-co-180s-co | |
| Individual capacitor bank opening current | a | 630 |
| Back-to-back capacitor bank opening current | a | 400 |
| Rated operating voltage | v | -110/~110,-220/~220 |
1. Are you a trading company or manufacturer?
We are a professional factory with 10 years experience in the field of High and Low voltage switchgears,Substation,transformers,cable distribution box and various electrical equipment, such as vacuum circuit breaker , load break switch etc.
Our factory is the excellent supplier of State Grid Corporation of China.
2. Do you accept customized serveice?
We offer OEM/ODM service, can print your logo on product. our professional technical and quotation team can provice a satisfied project according to your drawing and parameters.
3. What is your MOQ?
Our MOQ is 1 piece.
4. How long is your delivery lead time?
It depends on your product requirement and quantity. Generally, 5~10 working days is available.
5. How do you solve quality problems?
Please porvide detailed photoes of quality problems. our technical and quality testing department will analyse.we will make a satisfied soluton within 2 days.
6. What is your payment terms?
30%T/T in advance,70% before shipment. West union, L/C are also acceptable.
Suppliers with verified business licenses
Audited Supplier 
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