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907A 2ka 1.14kv vacuum interrupter in contactor

Basic Info

Model No.: 907A

Product Description

907A 6.3ka 1.14kv Vacuum Interrupter for Contactor 

Vaccum Interrupter



Main techical data:  
Rated Voltage:   1.14kv
Rated current:   250/400/630A
Rate frequency:   50Hz
Rated short-time power frequency withstand voltage(1min)   10kv
Rated lighting implus withstand voltage 15kv
Rated making current  2.5/4.0/6.3KA
Rated breaking current,max 2.0/3.2/5.0KA
Rated breaking current,min 50/80/125A
Rated short-time withstand current 2.5/4.0/6.3KA
Breaking operation of rated short circuit breaking current 30times
Rated single capacitor bank breaking current * 400A
Rated duration of short-current 4s
Mechanical life 30*104times
Electricity life AC-3 25*104times
Electricity life AC-4 10*104times
Rated contact stroke 3±0.5mm
Contact closing force due to bellows and atmosphere 70±30N
Counterforce at rated contact stroke 110±40N
ciruit resistance at rated contact force ≤60μΩ
Shelf life 20 years
Contact erosion limit 3mm
Weight of moving parts ≤0.6kg
Mechanical Date Required for Matched Vacuum Switchgear  
Average opening speed 0.6±0.2m/s
Average closing speed 0.3±0.1m/s
Added contact force 110±10N
contact bouncing bank amplitude of opening operation ≤2ms
contact bouncing duration at closing operation ≤2ms
Three-pole simultaneity ≤1ms
Note:* Rated characteristics be given on request  



Main products:





vaccum interrupter








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.




vaccum interrupter


Contact us if you need more details on Vacuum Interrupter. We are ready to answer your questions on packaging, logistics, certification or any Other aspects about Contactor Vacuum Interrupter、1.14kv Contactor. 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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