Our company has a certain share in the global market thanks to our excellent Low Voltage Cabinet, low-voltage power distribution cabinets, Low Voltage Switchgear for Substations, high-quality employees, unique corporate culture and innovative teamwork spirit. We are striving to achieve the company's take-off by virtue of the pragmatic spirit and enterprising attitude of group employees. Our business philosophy is to create maximum value, actively practice fair operation, and comply with international rules and laws and regulations. We adhere to the business philosophy of 'Quality First, Service First', actively research and develop new products, and wholeheartedly provide customers with high-quality products and fast services. We implement market-oriented strategy, cultivate enthusiasm, studious, and enterprising team to serve customers.

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:

We can offer you virtually every variety of merchandise associated to our item range for Rvb 11kv 800A 1250A 2000A Hv Outdoor Substation Vacuum Circuit Breaker with Controller with CT. We are a company that integrates research and development, technical consulting services and production and management. God will bless us to do kindness business forever.