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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 |
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 |
That has a sound business enterprise credit history, excellent after-sales assistance and modern production facilities, we now have earned an superb status among our buyers across the whole world for Discount wholesale 40.5kv High Voltage Embedded Pole Types Vacuum Circuit Breakers, Welcome you to sign up for us with each other for making your business enterprise easier. We’re generally your most effective partner when you want to have your own business.
Discount wholesale China Circuit Breaker and Vacuum Circuit Breaker, Our faith is to be honest first, so we just supply high quality merchandise to our customers. Truly hope that we can be business partners. We believe that we can establish long time business relationship with each other. You can contact us freely for more information and pricelist of our goods !