... 2.Energy saving 3.Wide voltage range 4.Temperature Limiting150W HG140 Semiconductor Heater These heaters are used ... * (min. 110V, max. 265V)Heating elementPTC resistor, temperature limitingHeater bodyextruded aluminium profile, anodisedConnection3 pressure clamps for stranded wire ... airflow (air outlet up, connection on bottom)Operating/Storage temperature-45 to +70 °C (-49 to +158 °F ...