main product features:
1. high technical parameters. it passed all kinds of capacity tests at one time in cesi, italy, meeting the requirements of iec 62271-1 and iec 62271-100.
2. the circuit breaker can adopt two operation mechanisms: hydraulic mechanism and hydraulic spring mechanism.
3. strong seriality and universality.
|
no. |
item |
unit |
data | |
|
1 |
rated voltage |
kv |
550 | |
|
2 |
rated current |
a |
4000 | |
|
3 |
rated frequency |
hz |
50/60 | |
|
4 |
rated short-time withstand current/time |
ka/s |
63/3 | |
|
5 |
rated peak withstand current |
ka |
160 | |
|
6 |
rated short-duration power-frequency withstand voltage |
phase-to-earth |
kv |
740 |
|
across isolating distance |
kv |
740＋315 | ||
|
rated lightning impulse withstand voltage |
phase-to-earth |
kv |
1675 | |
|
across isolating distance |
kv |
1675 450 | ||
|
rated switching impulse withstand voltage |
phase-to-earth |
kv |
1300 | |
|
across isolatingdistance |
kv |
1175 450 | ||