Main Technical Parameters
| Item |
Unit |
Parameters |
| Rated Voltage |
kV |
12 |
| Rated short time power frequency withstand voltage(1 min) |
kV |
65/79(between phase, to earth/break) |
| Rated lightning impluse withstand voltage(peak) |
kV |
125/145(between phase, to earth/break) |
| Rated frequency |
Hz |
50 |
| Rated current |
A |
630,1250 / 630,1250,1600,2000,2500,3150 / 1250,1600,2000,2500,3150 |
| Rated short circuit breaking current |
kA |
20/25、31.5、40 |
| Rated short time withstand voltage |
kA |
20/25、31.5、40 |
