Open filterClose filter input AC sizes output Relay power-supply Wide range DC 20-30V AC 230V interface / protocols display / operation design DIN rail mounting Screw terminals device functions Limit function Galv. isolation (I/O) Reset filter Monitoring functions Image Article Description Input Output Auxiliary voltage Designs News AD-UW 60 GT Digital three-phase voltage monitor 3x AC-voltage Relay Supply via measurement voltage GT AD-LW 110 GS Load monitor for cos-phi and undervoltage 3x AC voltage and 1x AC current Relay Wide range power supply GS