main product features:
it is equipped with a spring operation mechanism to realize the three-phase mechanical linkage; sf6 gas pressure is 0.4 mpa. it is suitable for low temperature areas. it meets the requirements of iec 62271-1 and iec 62271-100.
|
no. |
item |
unit |
data | |
|
1 |
rated voltage |
kv |
72.5 | |
|
2 |
rated current |
a |
3150 | |
|
3 |
rated frequency |
hz |
50/60 | |
|
4 |
rated short-time withstand current /time |
ka/s |
31.5/3 | |
|
5 |
rated peak withstand current |
ka |
80 | |
|
6 |
rated short-duration power-frequency withstand voltage |
phase-to-earth |
kv |
160 |
|
across isolating distance |
kv |
200 | ||
|
rated lightning impulse withstand voltage |
phase-to-earth |
kv |
350 | |
|
across isolating distance |
kv |
410 | ||