ClimaSys PTC resistance heater. 400-550W, 230V AC, 50/60 Hz. Operating temperature -40 to 70°C. Adjustment range 0 to 60°C. Electrical connection 2 screw terminals 2.5 mm². Bracket for DIN rail mounting 35 mm. Fastened by clips. Housing made of cast aluminum. Protection class IP20. Electrical protection required, must be installed with a thermal controller.