00 Item | 单位 | 数据Data | ||||
FN25-12D/T630-20 | FNRN25-12D/T125-31.5 | |||||
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 | 1250 | ||
4 | 额定绝缘水平
Rated insulation Level |
1min工频耐受电压(有效值)
1 min power frequency withstand voltage(RMS) |
kV | 对地及相间42、隔离断48
42-to-ground and white、ISolated off 48 |
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雷电冲击耐受电压(峰值)
Lightning impulse withstand voltage(peak) |
对地及相间75、隔离断85
75-to-ground and white、isolated |
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5 | 额定动稳定电流(峰值)
Rated dynamic current(peak) |
kV | 50 | |||
6 | 高
4s thermal current(A) |
kA | 20 | |||
7 | 额定有功负载开断电流
Rated active load breaking current |
kA | 630 | |||
8 | 额定闭合开断电流
Rated breaking current |
A | 630 | |||
9 | 额定电缆充电开断电流
Rated cable charging breaking current |
A | 10 | |||
10 | 正空梦
Rated no-load transformer breaking capacity |
A | 1600 | |||
11 | A | 2000 | ||||
12 | r | A | ![]() |
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13 | 撞击器输出能量
Output energy of striker |
J | 2-5(中等) | |||
14 | 额定短路关合电流
Rated short-circuit current |
kA | 50 2-5(medium) | |||
15 | 接地开关额定动稳定电流
Rated dynamic thermal current of earth switch |
kA | 50 | |||
16 | 接地开关2s热稳定电流 | kA | 20 | |||
17 | 辅助回路额定电压current olEarn swi cn Auxiliary circuit voltage | V | AC110,220,DC110,220 | |||
18 | 机构寿命
Mechanicalife |
盗e | 1000 |