Our rigorous quality management, mature and excellent technology, and advanced and complete test methods are reliable guarantees of the quality of our Electric Power Distribution Substation, Low Voltage Cabinet Switchgear, medium voltage vacuum circuit breaker. Quality, reliability and technical prominence are reflected in our high quality product range. Through constant quality controls in our manufacturing facilities, we ensure that each single product satisfies the high quality requirements of our customers. We aim to be a top class supplier for worldwide OEM and aftermarket! Our company will continue to strive for perfection as always, deepen the intensity of corporate scientific management, improve the technological level of products, and unswervingly provide customers with perfect and enthusiastic after-sales service.

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 believe that long expression partnership is often a result of top of the range, value added service, prosperous encounter and personal contact for High Voltage Outdoor 11kv 12kv Vcb Vacuum Circuit Breaker. In the future, we are going to continue with the most qualified and high quality service to offer the most competitive price. Over the years, we have built up strong global dealer network. Our development and design capabilities enable us to respond quickly and effectively to customer requirements.