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China Wholesale Medium Voltage Load Switch – 12kv 630A Three-Position Load break Switch – Timetric Detail:
Product Detail:
Technical Parameters 12KV |
Content |
Unit |
Parameter |
Rated Voltage |
KV |
12 |
Rated frequency |
HZ |
50 |
Rated currency |
A |
630 |
Rated short circuit withstand current |
KA |
20/25 |
Rated peak withstand current |
KA |
63 |
Rated short circuit duration |
s |
2 |
Rated short circuit cloing current |
KA |
63 |
Mechnicial life |
Time |
10000 |
Open triphase dissimilar |
ms |
≤2 |
Closing triphase dissimilar |
ms |
≤2 |
Opening average speed |
mis |
3-6 |
Closing average speed |
m/s |
4-6 |
Air working step pressure fracture: 22KV -28KV/1min |
The primary loop resistance: A phase B phase C phase(load switch circuit resistance ≤40μΩ) |
Grounding resistance: A phase B phase C phase (grounding resistance load switch ≤500μΩ) |
Installation Size:

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Our business aims to operating faithfully, serving to all of our clients , and working in new technology and new machine continuously for China Wholesale Medium Voltage Load Switch – 12kv 630A Three-Position Load break Switch – Timetric , The product will supply to all over the world, such as: Algeria, Argentina, Denver, We sincerely hope to cooperate with customers all over the world, if you would like to have more information, make sure you kindly contact us, we have been looking forward to building up a great business relationship with you.
We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
By Annabelle from Detroit - 2018.06.28 19:27
Managers are visionary, they have the idea of "mutual benefits, continuous improvement and innovation", we have a pleasant conversation and Cooperation.
By Chloe from Bolivia - 2018.11.11 19:52