Years of High voltage Metal enclosed Switchgear, 10 Kv Electrical Power Transformer, Transformer Substation Distribution Cabinet sales history makes us have a profound understanding of advanced products in the process of communication and learning with foreign advanced manufacturers. Since the establishment of our company, we have continuously developed new products and improved product quality in accordance with market changes and customer requirements. We are guided by the values of 'seeking truth from facts, tolerance and responsibility, diligence and thrift, striving for innovation, perseverance', leading excellent quality with innovative technology, winning market reputation with high-quality service, and constantly strengthening and deepening the foundation of enterprise survival and development. We take tracking service for product quality, we promise free maintenance and lifelong repair within the warranty period so we enjoy high reputation among users.

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 meet the different needs of customers, with Chrng MCB Us1 Mini Circuit Breaker specifications, standards to ensure product quality. Facing the challenges and business opportunities in the future development, we will keep pace with the times and continuously adjust the industrial structure to create new economic growth points. Facing the future, our company will as always create higher value for customers, focus on customers and be professional because of our concentration.