Operating voltage120V AC or 230V AC or 120 & 230V AC or 24V DC or 48V DCHeating elementPTC resistor-temperature limitingTemperature safety cut-outto protect against overheating in case of fan fai lure, automatic resetHeater bodyanodised extruded aluminium profileSurface temperaturemax. +75°C (500W)Axial fan, ball bearingAirflow, free flow 45m3/h (50Hz) or 54m3/h (60Hz)

　　service life 50,000h at +25°C (+77°F)Connectioninternal connection terminal 1.5mm2 with strain relief,

　　clamping torque 0.8Nm max.Connection casingplastic according to UL94 V-0, blackMountingclip for 35mm DIN rail, EN 60715Fitting positionvertical airflow (air outlet up)Operating/Storage temperature-45 to +70°C (-49 to +158°F)Operating/ Storage humiditymax. 90% RH (non-condensing)Protection type/Protection classIP20 / I (earthed)Noteother voltages on request