... /K 406080100HeaterWOptional300 , 500500 , 800, 1000Air Flowm3/hInternal air flow240360490620Fan type Backward Centrifugal FanTemp.°COperating range-40 ~ 60 ... K 120150200250HeaterWOptional500 , 800, 1000800, 1000,2000Air Flowm3/hInternal air flow72092012001500Fan type Backward Centrifugal FanTemp.°COperating range-40 ~ 60 ... IEC6052>= IP55 Cabinet heat exchanger-250W/K - air cooled heat exchanger