... , 150W,250W,400W Compact design Low noise Dynamic Compact Semiconductor Fan Heater, Industrial Electric Air Heater, CSL 028, ... . No. screw fixingSeriesOperating voltageHeating capacity1)Inrush current max.Pre-fuse T (time-delay)DimensionsWeight (approx.)02800.0-0002800.0 ... the use within an enclosure in accordance with UL508A Compact Semiconductor Fan Heater, Industrial Electric Air Heater, CSL 028, ...