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To regularly increase the management program by virtue from the rule of "sincerely, good religion and high quality are the base of enterprise development", we greatly absorb the essence of linked products internationally, and constantly produce new goods to satisfy the calls for of shoppers for Vacuum Interrupters For Circuit Breakers, Medium Type Vacuum Circuit Breaker, Earth Switch, The main goal of our company would be to live a satisfactory memory to all of the shoppers, and establish a long term company romantic relationship with customers and users all around the entire world.
China Wholesale High Voltage Ac Vacuum Load Switch Factories – 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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We thinks what customers think, the urgency of urgency to act in the interests of a customer position of principle, allowing for better quality, lower processing costs, prices are more reasonable, won the new and old customers the support and affirmation for China Wholesale High Voltage Ac Vacuum Load Switch Factories – 12kv 630A Three-Position Load break Switch – Timetric , The product will supply to all over the world, such as: Slovakia, Mali, Congo, To create more creative products, maintain high-quality products and update not only our products but ourselves so as to keep us ahead of the world, and the last but most vital one: to make every client satisfied with everything we offer and to grow stronger together. To be the real winner, starts here!
The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.
By Salome from New Zealand - 2018.12.05 13:53
Timely delivery, strict implementation of the contract provisions of the goods, encountered special circumstances, but also actively cooperate, a trustworthy company!
By Mona from Las Vegas - 2018.05.13 17:00