NESCOM
The type-tested medium-voltage switchgear with withdrawable unit technology is distinguished by its high performance data but with a very compact design. Modern switchgear offers innovative detailed solutions, high functionality and safety.
Pressure relief channels are used to discharge hot gases arising in the event of an internal arc.
Design features and classification under standard IEC 62271-200
| Busbar system | Single |
| Operational availability category | LSC 2B |
| Partition class | PM |
| Internal arc resistance classification | IAC AFLR |
|
Switchgear system |
up to 17.5 kV |
|
|
Rated values |
max. |
|
|
Rated voltage |
17.5 |
kV |
|
Rated power-frequency withstand voltage |
38 |
kV |
|
Rated lightning impulse withstand voltage |
95 |
kV |
|
Rated busbar current |
2,000 |
A |
|
Rated short-time withstand current |
31.5 |
kA |
|
Rated impulse current |
80 |
kA |
|
Rated short circuit period |
3 |
s |
|
Internal arc resistance classification |
AFLR 31,5 kA / 1 s |
|
