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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:

Our company is committed to the 'one-stop procurement' service of Rockwill-36kv Vacuum Circuit Breaker for Indoor Type with Handcart. We should provide customers with high precision and high reliability products and provide powerful guarantee for the follow-up service of products. Your attention and recognition of us is a cohesive force for our continuous service to the society and customers and the power source for the development and growth of our company.