Dimensions and technical data: 120 - 240 Volt, 50 / 60 Hertz radial exhaust fan for ceiling mounting. Version selectable: CBF 100, CBF 150 with two-speed DC motor and overrun controller. Fan casing made of galvanized steel. Impeller made of high-quality ABS plastic with forward-curved blades for high pressure and low noise level. Asynchronous motor with overheating protection and maintenance-free ball bearings. Self-acting non-return flap prevents backflow of the air stream. Mounting frame included. Control panel on the fan. IPX4 splash water protection for ventilation pipes with high air resistance (diameter 100 mm and 150 mm) for permanent or intermittent ventilation in bathrooms, shower rooms, kitchens, and living rooms. CBF 100 CBF 150 Power consumption Watt max: 19 26. Power consumption ampere max: 0.18 (0.3 at 60 Hz).