For flush and surface mounting low switching noise no standby power consumption zero voltage switching control with 230 v additional control input 8 230 vuc supply and switching voltage 230 v time setting of the fall back delay up to 120 minutes max 50 ma glow lamp current at the control input the delay time can be deactivated so that the function surge current switch without glow lamp current is executed in addition the function switching relay can be selected switch off pre wa