Two speed 2/4 pole Dalhander winding. nAmbient temperature: -20ºC to +40ºC. nWorking temperature from -20ºC to +40ºC. n nOn request nSingle speed 2 pole motor. nInlet guard and steel discharge deflector for unidirectional airflow. nInlet and outlet steel discharge deflector for reversible airflow. nFactory fitted IP65 isolator in place of electrical terminal box. Isolator also available as an accessory for use with standard terminal box fan. nExternal painting to RAL colour.