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EP-12 Embedded Poles for VS1 Vacuum Circuit Breaker parts

Basic Info

Model No.: EP-12

Product Description

EP-12 Embedded Poles for Vacuum Circuit Breaker parts



Embedded Pole



Main techical data:  
Rated Voltage:   12kv
Rated current:   1250/1600A
Rate frequency:   50Hz
Rated short-time power frequency withstand voltage(1min)   48kv
Rated lighting implus withstand current 85kv
Rated short-time withstand current(4s) 25/31.5kA
Rated peak withstand current  63/80kA
Rated short-circuit current 63/80kA
Rated short-circuit breaking current 25/31.5kA
Breaking operations of rated short circuit breaking current 30 times
Rated single capacitor bank breaking current * 630A
Rated back-to-back cap acitor breaking current 400A
Mechanical life 30000times
Contact closing force due to bellows and atmosphere 100±30N
Counterforce at rated contact stroke 200±30N
ciruit resistance at rated contact force ≤20μΩ
Shelf life 20 years
Contact erosion limit 3mm
Part discharge ≤2pC
Mechanical Date Required for Matched Vacuum Switchgear  
Rated contact strok 9±1mm
Contact connection stroke 4±1mm
Average opening speed 1.1±0.2m/s
Average closing speed 0.8±0.2m/s
Added contact force 3000±200N
contact bouncing duration at closing operation ≤2ms
Out of simultaneity of contact closing and opening ≤2ms
Max.overtravel ≤2mm
Note:* Rated characteristics be given on request  



Main products:










Our belief:

Zheguang company has advanced production and test equipments.In strict accordance with national standards and international standards of production.We control the procedures from raw material to the finished products completely. In addition,the company set down the quality policy"the customer demand as the center,production management as foundation,imporve the quality system continuously,provide customer with satisfaction products”.


Our service: 

1.You inquuiry related to our products or prices will be replied in 24hours 
2.Well-trained and experienced staffs to answer all your enquires in fluent english 
3.OEM & ODM, any your requirement we can help you to design and put into product 
4.Distributoershio are offered for your unoque design and some our current models 
5.Protection of you sales area ,ideas of design and all your private information


Quality & Prices:


We have to sell items with top quality because we want to keep every customer as our long-term business partner. 

We have to set low competitive prices because we need to attract buyers to this new store.

We will ship your items on time when you place your order . We know time is important for you.

After Delivery

     If you are satisfied with the packages you receive, DO please be kind to leave us positive feedback. Every positive feedback from you is important to increase our credit score. Thus it is important to our company. We will be grateful for you doing so.

    If unluckily there is any problems with the packages, DO please contact us and let us know it. We will solve all dissatisfaction after we receive the pictures from you. We will make sure you are happy with our solution.




embedded poles


Contact us if you need more details on Embedded Poles. We are ready to answer your questions on packaging, logistics, certification or any Other aspects about Vacuum Circuit Breaker Parts、Vs1 Circuit Breaker. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Vaccum Interrupter

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