We are also a unified big family, everyone stick to the company value 'unification, dedication, tolerance' for S11-M Oil-immersed Power Transformer, SF6 Insulated Compact Ring Main Unit, Pole Mounted Type Distribution Transformer. We will effectively apply customer demand trends learned through various exhibitions to product development. We will continue to improve the company's management level and business quality, and provide users with more complete services and quality products. We also have the strong ability of integration to supply our best service, and plan to build the warehouse in the different countries around the world, that will be more conveniently to service our customers. We encourage employees to carry out technological innovation, process equipment transformation, and inspire everyone to apply for product technology patents, so as to make the company get better development and growth.

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 will state with absolute certainty that for Hot Sale: Automatic Circuit Recloser Technical Specification-11kv 33/36kv 50Hz Vacuum Circuit Breaker. We make unremitting attempts to comprehend the objective of 'We Will Often Preserve in Pace along with the Time'. We have a cutting-edge development concept, firmly grasp the opportunity of development, continue to pursue excellence, and strive to create an excellent brand.