20KV vacuum interrupter manufacturer in vacuum circuit breaker vcb
Vacuum Interrupter for 12KV circuit breaker
|Main techical data:|
|Rated short-time power frequency withstand voltage(1min)||42kv|
|Rated lighting implus withstand current||75kv|
|Rated short-time withstand current||20ka|
|Rated peak withstand current||50ka|
|Rated short-circuit making current||50ka|
|Rated short-circuit breaking current||20ka|
|Breaking operation of rated short circuit breaking current||30times|
|Rated single capacitor bank breaking current *||400A|
|Rated duration of short-current||4s|
|Contact closing force due to bellows and atmosphere||80±40N|
|Counterforce at rated contact stroke||120±50N|
|ciruit resistance at rated contact force||≤25μΩ|
|Shelf life||20 years|
|Contact erosion limit||3mm|
|Weight of moving parts||≤0.7kg|
|Mechanical Date Required for Matched Vacuum Switchgear|
|Rated contact strok||10±1mm|
|Average opening speed||1.0±0.2m/s|
|Average closing speed||0.65±0.2m/s|
|Added contact force||2000±100N|
|contact bouncing bank amplitude ofopening operation||≤2mm|
|Note:* Rated characteristics be given on request|
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”.
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
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.
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.
Product Categories : Vaccum Interrupter