– AC fans with external rotor shaded-pole motor. Protected against overloading by thermal cut-out. – Metal fan housing and impeller. – Air exhaust over struts. Direction of rotation counter-clockwise, seen on rotor. – Electrical connection via 2 flat plugs 2.8 x 0.5 mm. – Fan housing with grounding lug and screw M4 x 8 (TORX). – Mass: 320 g. – Please note our new ACmaxx series. With identical mounting dimensions and voltages, this series achieves higher energy efficiency.