Series AV is a soft start up valve for low-speed air supply to gradually raise initial pressure in an air system and for quick exhaust by cutting off air supply. Operating pressure range: 0.2 - 1MPaCoil rated voltage: 12, 24VDC;100, 110 to 120, 200, 220VACAllowable voltage fluctuation:-15% to 10% of rated voltageAmbient and fluid temperature: 0 to 60CElectrical entry: grommet, type D DIN connector,type Y DIN connector