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ZN85-40.5/1250-25 Type Vacuum Circuit Breaker

    Payment Type: L/C,T/T,Western Union
    Incoterm: FOB,CFR,CIF
    Min. Order: 1 Bag/Bags
    Delivery Time: 10 Days
Basic Info

Model No.: ZN85-40.5/1250-25

Breaking Capacity: High Voltage Circuit Breakers

Operation: Electric Type

Speed: High-Speed Circuit Breaker

Arc-extinguishing Medium: Vacuum

Installation: Insert

Poles Number: 3

Type: Circuit Breaker

Function: Circuit-Breaker Failure Protection

Certification: ISO9001-2000

For Frequent Operation Place: Convenient Installation And Maintenance Features

Additional Info

Packaging: non-solid wood package

Productivity: 5000 sets /year

Brand: Shaanxi West Power

Transportation: Ocean,Land

Place of Origin: China

Supply Ability: 5000 sets /year

Certificate: ISO 9001-2000

Product Description

The ZN85-40.5/1250-25 type Vacuum Circuit Breaker arrangement with upper and lower structure, effectively reduce the depth of circuit breakers. And the use of composite structure , three-phase interrupter and associated charged body by the three independent separation of epoxy resin insulation casing, using a composite structure, the circuit breaker to meet the air under normal operating conditions from the required distance and climb and effectively reduce the size of circuit breakers, electrical circuit interrupter, a leading and dynamic and static conductive connection installed in the insulating tube, so that the distance only 300mm. All main circuit electrical connection fixed to connect with high reliability.


Scope of application

It is universally used in power plant , electric network ,metallurgy industry petrochemical industry and

infrastructures,such as airport , subway, building. When the VMD1 circuit breaker is in distribution system,

it can be applied to control and protect cable , trolly wire , transformer, generator and capacitor bank.


ZN85-40.5/1250-25 vacuum circuit breaker, vacuum, when the dynamic and static contact in the Operating mechanism under the action of electric trip, the contact will produce a vacuum arc, and because of the special structure of the contact, the gap in the contact Also produce the appropriate longitudinal magnetic field, to promote the vacuum arc to maintain the diffusion type, and make the arc evenly distributed in the contact surface combustion, to maintain a low arc voltage, current zero crossing, the residual ions, electrons and metal vapor in the micro Sec order of magnitude within the time can be compounded or gathered in the contact surface and shield, interrupter dielectric fracture strength of the fracture is quickly restored, so the arc was extinguished to achieve the purpose of breaking, the vacuum circuit breaker using magnetic field control Vacuum arc, which has a strong and stable breaking current capacity.


ZN85-40.5/1250-25

ZN85-40.5/1250-25 Outline Drawing


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Product Categories : Vacuum Circuit Breaker > 40.5kV Vacuum Circuit Breaker

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