序号
Number |
项目
Name |
单位
Unit |
FN25-12D/T630-20 |
FN25-12D/T100-31.5 |
| 1 |
额定电压
Rated voltage |
kV |
12 |
| 2 |
额定频率
Rated frequency |
Hz |
50 |
| 3 |
额定电流
Rated current |
A |
630 |
125 |
| 4 |
额定绝缘水平
Rated insulating level |
Imin 工频耐受电压
Imin power frequency with stand voitage |
kA |
灭弧室断口30；对地及相间42；隔离断口48
Are room break30.to ground and interphase42.isolating break48 |
雷电冲击耐压（峰值）
Lighting impulse resisting voltage (peak) |
对地及盯间75；隔离断口85
To ground and interphsae75.isolating break85 |
| 5 |
额定动稳定电流（峰值）
Rated machine stabling current(pcak) |
kA |
50 |
|
| 6 |
4S 热稳定电流
4S heat-stabling current |
kA |
20 |
- |
| 7 |
额定有功负载开断电流
Rated power load switch-off current |
A |
630 |
- |
| 8 |
额定闭环开断电流
Rated closed switch-off current |
A |
630 |
- |
| 9 |
额定电缆充电开断电流
Rated cable charging switch-off current |
A |
10 |
- |
| 10 |
开断空载变压器容量
Switch-off no-load transformer capacity |
kva |
1250 |
- |
| 11 |
额定短路开断电流
Rated short-circuit switch-off current |
kA |
- |
13.5 |
| 12 |
额定转移电流
Rated transfer current |
A |
- |
2000 |
| 13 |
熔断器型号
Fuse type |
|
|
SDLAJ-12 SFLAJ-12 |
| 14 |
撞击器输出能量
Energy outputted by striker |
J |
|
2-5(中等)(Medium) |
| 15 |
额定短路关合电流
Rated short-circuit controlly current |
kA |
50 |
| 16 |
接地开额定动稳定电流
Earth switch rated machine current |
kA |
50 |
| 17 |
接地开额定热稳定电流（2S）
Earth switch rated heat-stabling current(2S) |
kA |
20 |
| 18 |
辅助回路额定电压
Rated voltage of auxiliary circuit |
V |
220、110 |
| 19 |
机械寿命
Mechanical life |
次(times) |
1000 |
主要技术参数