Service Conditions
• Ambient temperature: -15°C to 40°C
• Altitude: ≤ 2000m • Humidity: ≤ 95% (daily), ≤ 90% (monthly)
• Seismic resistance: ≤ 8 magnitude
• Suitable for non-corrosive, non- flammable environments
Main Technical Parameters
| Name |
Unit |
Data |
| Rated voltage |
kV |
40.5 |
| Rated current |
Rated current of mainbus |
A |
630、1250、1600 |
| Rated current of circuit breaker |
A |
630、1250、1600 |
| Rated insulation level |
1 minutes power frequency withstand voltage between poles, between pole and earth/between fractures |
kV |
95/110 |
| Lightning impulse withstand voltage(peak), between poles, between pole and earth/between fractures |
kV |
185/215 |
| Power frequency withstand voltage of auxiliary circuit and control circuit |
V/min |
2000 |
| Rated frequency |
Hz |
50 |
| Rated short circuit breaking current |
kA |
20、25、31.5 |
| Rated short time withstand current / Rated short circuit duration |
kA/4s |
20、25、31.5 |
| Rated peak withstand current |
kA |
50、63、80 |
| Rated short circuit of closing current |
kA |
50、63、80 |
| Rated voltage of control circuit |
v |
DC:110,220
AC:110,220
|
| Protection level |
Switchgear housing |
/ |
IP4X |
| Compartment (when the switchgear door is open) |
/ |
IP2X |
