| serial number |
name |
unit |
parameter |
| one |
rated voltage |
KV |
forty point five |
| two |
rated frequency |
Hz |
fifty |
| three |
rated current |
A |
one thousand two hundred and fifty |
| four |
Rated Active load breaking current |
A |
one thousand two hundred and fifty |
| five |
Rated closed-loop breaking current |
A |
one thousand two hundred and fifty |
| six |
5% rated active load breaking current |
A |
sixty-two point five |
| seven |
Rated cable charging breaking current |
A |
twenty-five |
| eight |
1-minute power frequency withstand voltage: vacuum break, same relative ground, isolated break |
KV |
68/95/110 |
| nine |
Lightning impulse withstand voltage: phase to phase ground/isolated ground port |
KV |
185/215 |
| ten |
Rated short-time withstand current (thermal stability) |
KA |
twenty-five |
| eleven |
Rated short-circuit duration |
S |
four |
| twelve |
Rated peak withstand current (dynamic stability) |
KA |
sixty-three |
| thirteen |
Rated short-circuit closing current |
KA |
sixty-three |
| fourteen |
mechanical life |
time |
ten thousand |
| fifteen |
Allowable wear thickness of vacuum arc extinguishing chamber contacts |
mm |
zero point six |
| sixteen |
Manual operating torque |
Nm |
≤300 |