Oil to SF6(gas) bushing

Short Description:

Standard IEC 60137-2017 Highest voltage for equipment Um KV 72.5 100 123 145 170 245 300 362 420 550 Rated frequency Hz 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 Dry power frequency withstand voltage 1 minute kV 155 205 255 303 355 505 505 560 750 870 Lightning impulse(BlL) kV 325 450 550 650 750 1050 1050 1175 1550 1800 Switching impulse(SIL) kV - - - - - 850 850

• Highest voltage for equipment Um: kV 72.5 100 123 145 170 245 300 362 420 550
• Rated frequency: Hz 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60
• Dry power frequency withstand voltage 1 minute: kV 155 205 255 303 355 505 505 560 750 870