... reliability AC input range selected by switch 100% full load burn-in test Protection: Short circuit/ Over load / Over voltage Cooling by free air convection ... , HOLD TIME………500ms, 20ms, 100ms/230VAC, 500ms, 30ms, 18ms/115VACat full load 2. INPUT:VOLTAGE RANGE………88 ~ 264VAC / 125 ~ 373VDCFREQUENCY RANGE………47 ...