ApplicationON/OFF controlMounting methodDIN rail/screwTerminal typeScrewComplete with socketLED indicatorRated operational voltage, AC100-240 VOperating voltage range, AC75-264 VControl current max.10 mAMust operate voltage max.9.6 VMust release voltage min.1 VMaximum operating temperature60 °CMinimum operating temperature-20 °CIsolationPhototriacFunctionsHB/HS alarm for 1-phase heaters, HB/HS alarm for 3-phase heaters, Heater burnout detectionNumber of phases1Rated operation current Ie at AC-135 AProduct Height (unpacked)100 mmProduct Width (unpacked)55 mmProduct Depth (unpacked)130 mmSupply voltage DC9.6-26.4 VSwitching at zero-crossing