XGN15-12/24 (L) indoor AC HV SF6 ring net switch cabinet
XGN15-12/24 (L) indoor AC HV SF6 ring net switch cabinet is the newtype of metal-enclosed switch cabinet whose main switch is the SF6 load switch.It is air insulated and is used to the distribution automation equipments.
the ring net cabinet has the features of simple structure,flexible operation and reliable interlock.. The sensor technology and theapplication of protection relay fully meet the demand of the market.
Technical parameters
Serial No. |
Item |
Unit |
parameters |
|
1 |
Rated voltage |
KV |
12/24 |
|
2 |
Rated current |
A |
630 |
|
3 |
Rated frequency |
Hz |
50 |
|
4 |
Rated short time withstand current |
KA |
20 |
|
5 |
Rated short circuit duration |
S |
4 |
|
6 |
Rated withstand current (peak) |
KA |
50 |
|
7 |
Rated short circuit duration of grounding switch |
S |
4 |
|
8 |
Rated short withstand current (peak) of grounding switch |
KA |
50 |
|
9 |
Rated insulation level |
1min power frequency withstand voltage (effective value) |
KV |
(phase-phase, phase-earth)42/60; (fracture) 48/79 |
Lightning impulse withstand voltage (peak) |
KV |
phase-phase, phase-earth)75/125; (fracture) 85/145 |
||
10 |
Rated SF6 pressure (20℃ gage pressure0 |
Mpa |
0.04 |
|
11 |
SF6 leakage rate per year |
1% |
||
12 |
Protection degree |
IP3* |