We're also concentrating on improving the things administration and QC program to ensure we could maintain terrific gain from the fiercely-competitive company for 12kV Solid Insulated Metal-Enclosed Switchgear, switchgear power distribution cabinet, 10kv Oil Power Transformer. We are moving towards as a new modern all-round and diversified enterprise. Our company has been focusing on brand strategy. What we offer each of our customers is a tangible efficiency that gets to the root of the problem in a short period of time. We promise that holding hands with us means sharing new industrial technology, more abundant product supply and more professional service.

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 are committed to leading the development and innovation of Dldm1DC Series Plastic Case DC Circuit Breaker, while laying out future intelligent technologies and products, and in-depth exploration of the future development trend of the industry. We look forward to a win-win cooperation in the field of new technologies through extensive external exchanges and cooperation. On the premise of continuously improving product quality, we allow users to purchase our products with peace of mind with affordable prices and perfect after-sales service.