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Quality First,and Customer Supreme is our guideline to provide the best service to our customers.Nowadays, we are trying our best to become one of the best exporters in our field to meet customers more need for Insulated large bend, 33kv Vacuum Circuit Breaker Switchgear, Vacuum Circuit, We have been sincerely looking forward to developing very good cooperative relationships with buyers from at home and abroad for creating a vibrant foreseeable future together.
China Wholesale High Voltage Load Break 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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No matter new customer or outdated client, We believe in extensive phrase and trusted relationship for China Wholesale High Voltage Load Break Switch Factories – 12kv 630A Three-Position Load break Switch – Timetric , The product will supply to all over the world, such as: Croatia, Greece, Congo, We have exported our products all over the world, especially the USA and European countries. Furthermore, all of our products are manufactured with advanced equipment and strict QC procedures to ensure high quality.If you are interested in any of our products, please don't hesitate to contact us. We will try our best to meet your needs.
Problems can be quickly and effectively resolved, it is worth to be trust and working together.
By Lydia from Chicago - 2017.05.02 18:28
This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
By Aaron from Maldives - 2018.07.26 16:51