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RinGenius (SV)-12kV-630A circuit breaker switch SF6 special vacuum circuit breaker switch for gas-filled cabinets, adopts plywood structure, rated voltage 12kV, rated current 630A, short-term withstand 20kA/4s, operating ambient temperature -40℃~﹢50 °C
|
Number |
Name |
Unit |
Standard Parameter Values |
|
|
1 |
Arc Interrupter Type |
|
Vacuum |
|
|
2 |
Rated Current |
A |
630 |
|
|
3 |
Main Circuit Resistance |
μΩ |
(Provided By The Bidder) |
|
|
4 |
Rated Power Frequency 1min Withstand Voltage |
Fracture |
kV |
48 |
|
To The Ground |
42 |
|||
|
Rated Lightning Impulse Withstand Voltage Peak (1.2/50μs) |
Fracture |
kV |
85 |
|
|
To The Ground |
75 |
|||
|
5 |
Rated Short-circuit Breaking Current |
Number Of Interruptions |
Second-rate |
30 times |
|
6 |
Rated Short-circuit Making Current |
kV |
50 |
|
|
7 |
Rated Short-time Withstand Current And Duration |
KA/s |
20/3 |
|
|
8 |
Rated Peak Withstand Current |
kA |
50 |
|
|
9 |
Breaking Time Of Circuit Breaker |
ms |
≤60 |
|
|
10 |
Circuit Breaker Closing Bounce Time |
ms |
≤2 |
|
|
11 |
Breaker Opening Time |
ms |
≤40 |
|
|
12 |
Circuit Breaker Closing Time |
ms |
≤60 |
|
|
13 |
Breaker Opening and Closing Average Speed |
Opening Speed |
ms |
0.8±0.2m/s |
| Closing Speed |
0.6±0.2m/s |
|||
|
14 |
Mechanical Life |
Second-rate |
≥10000（Vacuum） |
|
|
15 |
Nominal Operation Sequence |
|
O-0.3s-CO-180s-CO |
|
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