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VTZ-12/4000-50 Type Vacuum Circuit Breaker
Home > Products > Indoor HV Vacuum Circuit Breaker > VTZ-12/4000-50 Type Vacuum Circuit Breaker

VTZ-12/4000-50 Type Vacuum Circuit Breaker

  • VTZ-12/4000-50 Type Vacuum Circuit Breaker

VTZ-12/4000-50 Type Vacuum Circuit Breaker

    Payment Type: L/C,T/T,Western Union
    Terms of Trade: FOB,CFR,CIF,CPT
    Min. Order: 1 Bag/Bags
    Delivery Time: 10 Days
    Packaging: non-solid wood package
    Productivity: 4000 sets /year
    Brand: Shaanxi West Power
    Transportation: Ocean,Land,Air
    Place of Origin: China
    Supply Ability: 4000 sets /year
    Certificate: ISO 9001-2000
  • Ms.  Meng Juan

Basic Info

Model No.: VTZ-12/4000-50

Breaking Capacity: High Voltage Circuit Breakers

Operation: Manual Type

Speed: High-Speed Circuit Breaker

Arc-extinguishing Medium: Vacuum

Installation: Fixed

Poles Number: 3

Type: Circuit Breaker

Function: Circuit-Breaker Failure Protection

Mechanical Endurance Long: Compact Structure

Product Description

12kV with embedded poles Indoor HV Vacuum Circuit Breaker is a three-phase AC 50Hz, rated voltage of 12kV indoor Switchgear. Our company with its own research and development of permanent magnetic actuator for industrial and mining enterprises, power generation and Substation facilities as electrical control and protection purposes. The product has high reliability and long life characteristics, especially suitable for frequent operation, repeatedly breaking conditions, such as short-circuit current of the place.

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.



Company Introduction Specialized manufacture: specialized manufacture 12kV~40.5kV indoor and outdoor high voltage Vacuum Circuit Breaker and Switchgear and SF6 Gas insulated switchgear Team: Having a professional management team with more than 20 years working ExperienceProduct: Having 6 patents, main products are intelligent and miniaturization switch such as VTZ, VS1, ZN85 etc. That provide reliable and safe service in transmission and distribution industry and do the indispensable power equipment manufacturing industry participants Technical and cooperation: Having a professional technical team, collaboration with several universities and institutions on industry, education and research.

Honour: 1. High and new technology enterprise

2. Memeber of China Electrical Equipment Industrial Association

3. ISO9001 quality management system certification

4. Type test report from China authorized Lab

Company Info
  • Company Name: Shaanxi West Power Tongzhong Electrical Co., Ltd.
  • Representative: Pinggang Gan
  • Product/Service: Vacuum Circuit Breaker , Switchgear , Gas Insulated Switchgear , Load Break Switch , Operating mechanism , Contact box
  • Capital (Million US $): 10,000,000RMB
  • Year Established: 2014
  • Total Annual Sales Volume (Million US $): US$10 Million - US$50 Million
  • Export Percentage: 1% - 10%
  • Total Annual Purchase Volume (Million US $): US$5 Million - US$10 Million
  • No. of Production Lines: 2
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 5,000-10,000 square meters
  • Factory Location: Nanpo Village, Chencang Avenue Jintai District Baoji City, Shaanxi, China.
  • Contact Person: Ms. Meng Juan
  • Tel: 86-917-3363886