Product Center
OEM High Quality Main Breaker Tripping Companies – ZW8-12 Vacuum Circuit Breaker – L&R
OEM High Quality Main Breaker Tripping 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:
"Sincerity, Innovation, Rigorousness, and Efficiency" would be the persistent conception of our corporation to the long-term to establish collectively with customers for mutual reciprocity and mutual benefit for OEM High Quality Main Breaker Tripping Companies – ZW8-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: Ecuador, Bolivia, Mumbai, We solution have passed through the national skilled certification and been well received in our key industry. Our specialist engineering team will often be ready to serve you for consultation and feedback. We are able to also provide you with no cost samples to meet your needs. Best efforts will be produced to offer you the very best service and solutions. For anyone who is considering our business and solutions, please speak to us by sending us emails or get in touch with us right away. As a way to know our products and enterprise. lot more, you'll be able to come to our factory to find out it. We will constantly welcome guests from around the globe to our firm. o build enterprise. elations with us. Please really feel absolutely free to make contact with us for small business and we believe we will share the top trading practical experience with all our merchants.
By Elizabeth from Czech republic - 2017.05.02 18:28
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 Elsie from Iceland - 2018.05.13 17:00
