1500 2000 2500 3000 160 to 264 Volts at Pn 120 to 264 Volts at 2/3 Pn 84 to 264 Volts at 1/2 Pn adjustable from 187 to 264 Volts adjustable from 187 to 264 Volts 50/60 HZ 0.99 < 5%