In the product development phase, we create high performance fixed metal-enclosed switchgear, switchgear insulation products, indoor power distribution equipment by understanding consumer needs and adhering to manufacturing standards. Our company's core values ​​are responsible and continuous innovation, which is the prerequisite and basis for our achievements. We always adhere to product upgrades and technological innovation, and are committed to letting customers at home and abroad enjoy better products and services. Since our company was founded, we have won an increasingly broad market relying on scientific management and excellent product quality.

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:

In the future, we will keep on working and innovation in an effort to provide more competitive High Quality MCB DAB6-63 4.5ka Micro Circuit Breaker solution for customers and create greater value for users. We warmly receive new and old customers, and understand exactly the requirements and needs of customers for products. Our goal is to realize the value of the company while bringing economic benefits to customers, and to achieve a win-win situation with customers. The needs of users are our work guidance. Honesty is the constant purpose of our company!