'Truth and honesty' is our management ideal for Power Distribution Transformer, metal enclosed switchgear device, medium voltage metal enclosed switchgear. We will provide the best system solutions and services to meet the needs of users to the greatest extent with respect for the individual, customer first, and pursuit of excellence as the belief. With strict self-discipline and a meticulous attitude, we develop a rigorous work style, pursuing intensive production, careful planning in operation, and meticulous management.

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 will continue to serve users wholeheartedly, and strive to make users feel at ease and satisfied with the use of Moulded Case Circuit Breaker for Industrial Distribution Protection/MCCB/Circuit Breaker/Breaker. We have been searching ahead to even better cooperation with overseas buyers dependant on mutual benefits. Good quality, timely service and Competitive price, all win us a good fame in xxx field despite the international intense competition.