U160B/146 | U160B/155 | U160B/170 | U160B/170 | |
Diameter D | 280mm | 280mm | 280mm | 280mm |
Spacing H | 146mm | 155mm | 170mm | 170mm |
Creepage L | 400mm | 400mm | 400mm | 450mm |
Socket soupling | 20W | 20W | 20W | 20W |
Specified mechanical load | 160KN | 160KN | 160KN | 160KN |
Power Frequency withstand voltage for Unit | 180KV/45KV | 180KV/45KV | 180KV/50KV | 180KV/50KV |
Lightning impulse withstand voltage for Unit | 450KV/110KV | 450KV/110KV | 450KV/110KV | 450KV/110KV |
Power Frequency Puncture voltage | 130KV | 130KV | 130KV | 130KV |
Radio influence voltage | 50µV | 50µV | 50µV | 50µV |
Electrica Iron visual test | 18KV/22KV | 18KV/22KV | 18KV/22KV | 18KV/22KV |
Impulse puncture voltage | 2.8p.u | 2.8p.u | 2.8p.u | 2.8p.u |
Power Frequency electric arc voltage | 0.12s/20kA | 0.12s/20kA | 0.12s/20kA | 0.12s/20kA |