... 3.high efficiency,high reliability,low cost 4.low r Industrial switching power supply 1000W GPD-1000S Single outputDimension: 250*160 ... EN61000-3-2, EN61000-4-2,3,4,5,6,8,11Line regulation : no more than 0.5%Output voltage adjustment ... -1212V/83A150mV82%GPD -1000S-2424V/42A200mV85%GPD -1000S-4848V/21A300mV86% Industrial switching power supply