China Fln48 Indoor 630A 12kv Load Break Switch, Find details about China Circuit Breaker, Switch from Fln48 Indoor 630A 12kv Load Break Switch
Item | Unit | Parameter | |
FLN48-12D/T630-20 | FLN48-12D/T125-50 | ||
Rated voltage | KV | 12 | 12 |
Rated frequency | Hz | 50 | 50 |
Rated current | A | 630 | 125 |
1 min power frequency withstand voltage | KV | 42/48 | 42/48 |
Lighting impulse withstand voltage(PEAK) | KV | 75/85 | 75/85 |
5 min zero gauge rated power frequency withstand voltage | KV | 24 | 24 |
Rated thermal stability current(peak) | KA | 20/20 | 20/20 |
Rated dynamic current(peak) | KA | 50/50 | 50/50 |
Rated short circuit closing current | KA | 50/50 | 125/50 |
Rated closed-loop breaking current | A | 630 | |
Rated active load breaking current | A | 630 | |
Rated cable charging breaking current | A | 10 | 10 |
Rated short circuit breaking current | KA | 50 | |
Rated transfer current | A | 1750 | |
Fuse type | XRNT-12KV/125A | ||
Fuse strikes the output energy | J | 1±0.5 | |
Mechanical life | Time | 5000/2000 | 3000/2000 |
The insulation distance betweent the live body and the ground | mm | >=125 | >=125 |
SF6 Gas pressure (relative pressure at 20ºC) | bar | 0.4 | 0.4 |
Closing the same period | ms | <=2 | <=2 |
Main circuit tesistance | μΩ | <=65 | <=65 |