Internal closure flap for ventilation. Regulation of basic ventilation through adjustable opening angle. Heat energy saving by opening as required. Control with standard switches, timers and follow-up relays. Protection class IPX4.Article: AE 15/1, Air direction: ventilation, Voltage type: alternating current, Rated voltage: 230 V, Mains frequency: 50 Hz, Power consumption: 5 W, Protection class: IP X4, Mains supply cable: 3 / 1.5 mm2, Installation: inside, Installation location: wall / ceiling, Installation type: surface-mounted, Installation position: vertical / horizontal, Material: plastic, Color: traffic white, similar to RAL 9016, Weight: 0.74 kg, Weight with packaging: 1 kg, Flap type: electric, Nominal width: 150 mm, Suitable for nominal width: 150 mm, Width: 228 mm, Height: 228 mm, Depth: 108 mm, Width with packaging: 245 mm, Height with packaging: 320 mm, Depth with packaging: 125 mm, Ambient temperature: 40 °C, Nominal diameter of duct: 150 mm, Nominal diameter channel: 150 mm, Front height: 228 mm, Front width: 228 mm, With mounting frame: yes