Home > Products > Vacuum Circuit Breaker > 12kV Vacuum Circuit Breaker > ZN28-12K/1250-31.5 Type Vacuum Circuit Breaker

ZN28-12K/1250-31.5 Type Vacuum Circuit Breaker

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

Model No.: ZN28-12K/1250-31.5

Breaking Capacity: High Voltage Circuit Breakers

Operation: Electric Type

Speed: High-Speed Circuit Breaker

Arc-extinguishing Medium: Vacuum

Installation: Fixed

Poles Number: 3

Type: Circuit Breaker

Function: Circuit-Breaker Failure Protection

Certification: ISO9001-2000

High Insulation: Small Size

Additional Info

Packaging: non-solid wood package

Productivity: 2000 sets /year

Brand: Shaanxi West Power

Transportation: Ocean,Land,Air

Place of Origin: China

Supply Ability: 2000 sets /year

Certificate: ISO 9001-2000

Product Description

This VCB features with simple structure, long mechanical life, strong breaking capability, multiple functions and convenient maintenance. It is safe from explosion, thus applicable in power plant and substation to control and protect electricity distribution systems. In addition, it is especially applicable at essential position and in occasions with frequent operation. Comply with IEC62271-100.

Technical Standards

All the technical parameters of breaker completely satisfy the Standards Of GB1984 AC Hig hvoltage Breaker, GB/T 11022 -1999 Common Specifications For High Voltage Switchgear and Controlgear Standards, China Power Sector Standards DL403. Also meet the requirements of IEC62271-100, IEC56 and other main industrialized country`s similar standards.


This Type Vacuum Circuit Breaker have passed has passed following test to ensure the product`s

safe Operation.

Type tests : power-frequency withstand voltage tests , lighting impact withstand voltage tests, ,

temperature rising tests, short-time withstand current tests , peak withstand current tests , short circuit breaking ability tests , mechanical lift tests, ect.

Routine test before out of factory: mechanical performance test , power frequency withstand

voltage tests of the main circuit , insulating property tests on control and auxiliary circuits , measurement of ther resistance of the main circuit ,interlock operating tests , mechanical operating

tests, Electrical Equipment operating tests.

Our service:
1.You inquuiry related to our products or prices will be replied in 12 hours .
2.Well-trained and experienced staffs to answer all your enquires in fluent english
3.OEM & ODM, any your any requirements we can help you to design and put into product.
4.Protection of you sales area ,ideas of design and all your private information.
5. If any problems resulted from quality and mal-manufacturing, our after-sales service will help you solve these problems.
6. We will help you with technical problems during installation and marketing.


Looking for ideal ZN28-12K 3AF VCB Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the ZN28-12K Indoor VCB are quality guaranteed. We are China Origin Factory of ZN28-12K Fixed VCB. If you have any question, please feel free to contact us.

Product Categories : Vacuum Circuit Breaker > 12kV Vacuum Circuit Breaker

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