We are committed to providing users with high-quality products and the best solutions, determined to be your best partner, and hope to make positive contributions to the development of the 33kv switchgear, ring main unit switchgear, transformers industry. We are willing to work together with our colleagues to create a win-win situation. You may find the lowest price here. The new technology we adopt can strengthen the market competitiveness of products, to provide personalized products that are different from competitors, and reduce market risks, which will become the trend of future development. Our strict production management systems always ensure stable and high quality products.

Product introduction:

40.5kV High Voltage Vacuum Circuit Breaker is a kind of outdoor HV switching devices used in three-phase AC 50Hz. 40.5kV. It uses spring operating mechanism or electromagnetic operating mechanism; it can be controlled to switch-on/off remotely; it can also be used to control energy storage and switch -on/off manually. The breaker conforms to standards of GB 1984-89AC HV breaker and IEC56AC HV breaker. It is used for protecting and controlling distribution systems in transformer substations, operating in gear and protecting the circuit in country electric nets, industrial and mining enterprises when short-circuit occurs. The breaker has porcelain post structure. The upper knob insulator has vacancy arc-extinguishing chamber while the nether one is post knob insulator.

1.Rated Voltage:40.5kV

2.Rated Current:630/1250A

3.Rated operation sequence:O-0.3s-C0-180s-CO

4.Rated short circuit breaking current breaking times:50 times

5.Insulation level lightning impulse withstand voltage (peak value): 185kv

How to proceed an order?

1. let us know your requirements or application.

2.We quote according to your requirements or our suggestions.

3.customer confirms the samples and places deposit for formal order.

4.We arrange the production.

We need to add value to our 40.5kv Outdoor High Voltage Vacuum Circuit Breaker Zw7 through technological innovation, thereby enhancing our competitiveness in the global market. Trust starts from a cooperation and satisfaction comes after a service. In the future market competition, our company will always follow the service tenet of 'integrity, professionalism, quality and innovation' to further expand production and serve the market. Welcome new and old customers at home and abroad to visit and guide for mutual benefit!