We produce incomparable Handcart circuit breaker, Compact Solid Insulated Ring Main Unit, Oil Immersed Type Transformers with our advanced manufacturing technology, high-precision production equipment, and strict testing methods. Our company's main products are widely used all over the world. Carry on to further improve, to guarantee merchandise high-quality in line with market and buyer standard necessities. We are well aware that only by constantly working hard to improve our product price-performance ratio and service level, customers will have no worries in any link of pre-sales, in-sales and after-sales.

The Handcart type indoor vacuum circuit breaker is suitable for 12kV. Apply to industrial and mining enterprises, substation and transmission and distribution systems for control and protection switching; particularly suitable for metallurgy. Electric arc steel-making industries, etc. frequent operation required, as a control and protection equipment.

Product 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

Applicable place: (particularly to the places needing frequent operation)

1.The electrical equipment control and protection in industrial.

2.Mining enterprises.

3.Power plants.

4.Substations.

It can be fixed in a switch cabinet or installed on a handcart.

Stable performance and easy installation.

Advantages

1.Simple structure.

2.Adapt ultra low resistance type vacuum interrupter.

3.Adapt optimization and modular spring operating mechanism.

4.Suitable for occasions with frequent operation.

5.Free maintenance and long service life.

6.High reliable performance.

Our Factory:

Related Products:

We thinks what prospects think, the urgency of urgency to act from the interests of a client position of theory, allowing for greater high-quality, reduced processing costs, rates are much more reasonable, won the new and previous consumers the support and affirmation for DAB6-63 4.5ka 1p 2p 3p 4p CB Approved Mini Circuit Breaker. Adhering to the business philosophy of 'integrity cooperation', our company is committed to standing on the same front with customers, sharing win-win situation with customers and being the best quality supplier and the most professional manufacturer. The company is committed to the development of new products in the market and pursues the principle of improving product quality and treating customers wholeheartedly.