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With a complete scientific quality management system, good quality and good faith, we win good reputation and occupied this field for Vacuum Circuir Breaker, Insulation Accessories, Grounding interlocking bevel gear, With superb service and quality, and an enterprise of foreign trade featuring validity and competitiveness, that will be trusted and welcomed by its clients and creates happiness to its employees.
China Wholesale Earth Load Supply Switch Supplier – 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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It is a great way to further improve our products and repair. Our mission is always to create innovative products to prospects with a superior expertise for China Wholesale Earth Load Supply Switch Supplier – 12kv 630A Three-Position Load break Switch – Timetric , The product will supply to all over the world, such as: Indonesia, Malawi, Florence, Be sure to feel cost-free to send us your specs and we are going to respond for you asap. We have got a experienced engineering team to serve for the every single comprehensive needs. Free samples may be sent for yourself personally to know far more facts. So that you can meet your desires, please actually feel cost-free to contact us. You could send us emails and call us straight. Additionally, we welcome visits to our factory from all over the world for much better recognizing of our corporation. nd merchandise. In our trade with merchants of several countries, we often adhere to the principle of equality and mutual advantage. It is our hope to market, by joint efforts, both trade and friendship to our mutual benefit. We look forward to getting your inquiries.
Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
By Madge from panama - 2017.07.07 13:00
The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
By Roberta from Haiti - 2017.07.28 15:46