We continue to strengthen the construction of the technological innovation system to ensure the quality and credibility of our Indoor AC High Voltage Switchgear, outdoor high voltage switchgear, Compact RMU, always taking the requirements of customers at heart to provide them with reliable, high-quality and inexpensive products and services. And we will create a bright future. Since its establishment, our company has won wide recognition from the industry, and we look forward to more clients to cooperate with us. Allow us to join hands to create a brilliant tomorrow! Our company adheres to the tenet of customer first, quality first, reputation first and first-class service. Stable product quality is the guarantee for our company's development and survival. Our products have been sold to many countries and regions at home and abroad.

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 rank in the forefront of the Indoor High-Voltage Vacuum Circuit Breaker Zn85-40.5 industry and enjoy a high reputation. Our products sell well all over the country and many countries. Our mission is simple: To supply the best items and service to our customers at the lowest prices possible. We are confident to be your preferred partner with our in-depth understanding of customer needs, as well as continuous optimization of production quality management and after-sales service system.