With exquisite craftsmanship and specialized design, we have created more and more perfect Outdoor AC vacuum circuit breakers, High Voltage Metal Clad Switchgear, combined substation to offer better product for our customers. We maintain the usual rigorous and realistic professionalism to provide customers with top-class products, fast service with a sincere and enthusiastic attitude. Customer satisfaction is our tenet. Your satisfaction is our greatest reward. We've been confident that we've been going to have a bright prospect and to be distributed all over the world in the years to come.

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.

Our company is committed to be professional supplier in the field of 40.5kv Manufacturer High Voltage Vacuum Circuit Breaker to provide customers with diversified services. Welcome your orders. In the industry, our company maintains the competitive edge of products with continuous innovation and quality management.