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We persist with the principle of "quality 1st, assistance initially, continual improvement and innovation to meet the customers" for your management and "zero defect, zero complaints" as the standard objective. To great our service, we present the products and solutions while using the very good top quality at the reasonable cost for Auxiliary Switch, Air Load Break Switch, Kyn61 Switchgear Shell, Our highly specialized process eliminates the component failure and offers our customers unvarying quality, allowing us to control cost, plan capacity and maintain consistent on time delivery.
China Wholesale Air Load Break 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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We attempt for excellence, support the customers", hopes to become the top cooperation team and dominator enterprise for staff, suppliers and shoppers, realizes worth share and continual marketing for China Wholesale Air Load Break Switch Supplier – 12kv 630A Three-Position Load break Switch – Timetric , The product will supply to all over the world, such as: Berlin, Tajikistan, Austria, During in 11 years,We have participated in more than 20 exhibitions,obtains the highest praise from each customer. Our company always aim to provide the customer best products with lowest price. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us. Join us, show your beauty. We will always be your first choice. Trust us, you will never lose heart.
With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.
By Raymond from Myanmar - 2018.12.22 12:52
The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
By Pamela from Ecuador - 2018.05.15 10:52