Our company adheres to the concept of 'doing business based on reality, survival by quality, development by reputation, customer-centered, and social responsibility as its own responsibility', and will continue to provide customers with valuable box-type substations, withdrawable low voltage switchgear, outdoor high voltage switchgear and services. We always take protecting the environment and guarding the future as our own responsibility. Our company has set up a construction team with professional training, professional knowledge and mature technology. Excellent quality, reasonable price and customer satisfaction are always pursued! With keen innovative ideas, firm development beliefs, clear quality awareness and clear commitment to integrity, we are forging ahead in the fierce market competition.

The Fixed High Voltage Vacuum Circuit Breaker is suitable for 12kV voltage,widely used in power plants, substations, and other electrical equipment,as the protection and control of electrical facilities,especially for the place where the goods are frequently operated under rated current and the multiple breaking current. The whole structure of product is the form of integrated installation taking switch body as operating mechanism,adopt the combination insulation structure,no pollution,no explosion danger,high insulation lever.

Parameter:

1.Rated Voltage:12kV

2.Working rate withstand voltage (1 minute):75kV

3.lightning impulse withstand voltage :42kV

4.Rated short-circuit breaking current:20/31.5/40kA

5.Rated Current:630/1250A

6.Rated thermal stability current (effective value):20/25kA

7.Rated stable current (peak value):50/63kA

8.Rated short-circuit making current (peak value):50/63kA

9.Rated short circuit breaking current breaking times:50 times

10.Power frequency withstand voltage of secondary circuit (1min):2000V

11.Rated operation sequence:O-0.3s-C0-180s-CO

12.Rated single / back to back capacitor bank breaking current:630/400 800/400kA

13.Mechanical life:≥50000≥50000≥30000 time

The use of environmental conditions:

1. Ambient temperature: not higher than +40 °C, not less than -15°C(at -30 °C to allow storage and transportation).

2. Altitude: not exceed 1000m.

3. Relative humidity: daily average of not more than 90%, month average of not more than 90%. saturated vapor pressure daily average of not more than 2.2 × 10-3MPa, month average not more than 1.8 × 10-3MPa.

4. Earthquake intensity: not more than eight.

5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.

Our Services:

1.Your inquiry related to our product & price will be replied within 24 hours.

2.Well-trained & experienced staff are to answer all your inquiries.

3. Customized solution & perfect after-sale service.

4. Our advantage: A.Competitive price B.Reliable Quality C.On-time delivery D.Professional design team

Our products:

Our company is guided by science and technology, driven by the quality of talents and opens up new markets with quality and reputation. We rely on advanced production technology, flexible business methods and high-quality services to provide customers with high-quality Rvb-11kv 800A 12.5ka with Controller and CT Hv Vacuum Circuit Breaker. We always focus on customer needs and develop and manufacture products that satisfy customers. Customers are welcome to put forward their valuable opinions on our products and services. We sincerely cooperate with friends from all walks of life and make common progress. We sincerely welcome friends from all walks of life to visit us for guidance.