The key to our success is 'Good Products Good quality, Reasonable Value and Efficient Service' for Solid Insulated Switchgear panel, SF6 gas insulated ring main unit, GGD type metal low voltage switchgear. We always understand the needs of customers, grasp the trend and meet the different needs of customers. We take "market transformation, management improvement" and "research and development, quality and cost, energy saving and environmental protection" as our development strategy. Service, quality and price are the beginning of cooperation between our company and our customers. We always implement innovations in concepts, technologies, management, mechanisms, and marketing.

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 take pleasure in an exceptionally excellent status between our buyers for 11kv 22kv Outdoor Pole Mounted Vacuum Circuit Breaker High Current 3150A Zw37-40.5 50Hz 33kv 40.5kv. We are guided by the business philosophy of 'Quality wins the world, integrity casts a century', and look forward to cooperating with you with high-quality products, reasonable prices and personalized services. We are adhering to the enterprise spirit of 'exquisite creation, excellent quality', constantly improving our core competitiveness, and contributing to the society with high-quality products and services.