We always adhere to the principle of market-oriented, technological innovation as the driving force, and customer service as the purpose. We combine product technology with production management to provide customers with switch cabinets, low voltage switchgear assemblies, Electrical Control Panel Board solutions. We constantly strive for excellence in technical strength, marketing, after-sales service, corporate culture, etc., and serve every customer with high-quality products and low prices. Attaining consumer satisfaction is our company's purpose without end.

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 are wholeheartedly committed to providing users with more competitive 12kv Lateral Vacuum Circuit Breaker Vcb products and solutions. Your trust and approval are the best reward for our efforts. All innovative products are put into production after being used by our company and the same industry and beyond the expected effect. Its quality, service, after-sales can be called the position of leadership the same product.