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China Wholesale Generator Distribution Panel Companies – ZW8-12 Vacuum Circuit Breaker – L&R
China Wholesale Generator Distribution Panel Companies – ZW8-12 Vacuum Circuit Breaker – L&R Detail:
Specification
|
Serial number |
parameter name |
Value |
|
1 |
Rated voltage |
12KV |
|
2 |
Rated current |
630A |
|
3 |
Power frequency withstand voltage |
42kV/48kV |
|
4 |
Mechanical life |
10000 |
|
5 |
Isolation new port disconnect distance |
> 200mm |
|
6 |
Average opening speed |
1.0+0.2m/s |
|
7 |
Average closing speed |
0.7+0.15m/s |
Parameter
|
Rated voltage |
KV |
12 |
||
|
Max. operating voltage |
KV |
12 |
||
|
Rated current |
A |
630 |
||
|
Rated short circuit load breaking current |
KA |
20 |
||
|
Rated short circuit making current (peak) |
KA |
50 |
||
|
Rated p-eak withstand current |
KA |
50 |
||
|
Rated short time withstand current 1 min |
KA |
20 |
||
|
Rated insulation Power level |
Power frequency withstand voltage (dry) |
KV |
42 |
|
|
Lig htning impulse withstand voltage (peak} |
KV |
75 |
||
|
Rated operating sequence |
|
(O)-0.3s{CO)-180s (CO) |
||
|
Mechanical life |
time |
10000 |
||
|
Nos of breaking rated short circuit breaking current |
time |
30 |
||
|
Rated dosing voltage of operating mechanism |
V |
110,220 |
||
|
Rated opening voltage of operating mechanism |
V |
110,220 |
||
|
Opening distance of contact |
mm |
11 ±1 |
||
|
Over travelling distance (spring compressed length of contact} |
mm |
3 |
||
|
Asynchrony of opening or closing three phases |
ms |
≤2 |
||
|
Jumping time of contact closing |
ms |
≤2 |
||
|
Average opening speed |
s |
1.0±0.2 |
||
|
Average closing speed |
s |
0 7±0.15 |
||
|
Opening time |
Under highest operating voltage |
s |
0.015-0.05 |
|
|
Under lowest operating voltage |
s |
0.03-0.06 |
||
|
Closing time |
s |
0.025-0.05 |
||
|
Main circuit resistance of each phase |
卩C |
≤120 |
||
|
Permissible abraded thickness of moving and static contacts |
mm |
3 |
||
Product detail pictures:
Related Product Guide:
Sticking to the perception of "Creating products of top of the range and earning mates with people today from all over the world", we constantly put the desire of consumers in the first place for China Wholesale Generator Distribution Panel Companies – ZW8-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: Southampton, Guatemala, Saudi Arabia, Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
By Ivy from Danish - 2018.12.28 15:18
Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
By Mavis from Latvia - 2018.11.28 16:25
