The FBT4 and FBT5 are boost timer giving a range of boost times up to 4 hours covering the majority of requirements for heating, ventilation and lighting. The units fits on a single gang wall box, flush or surface, 25mm deep and above. It can be instantly cancelled or reset and the 1/4h LED (FBT4) or the 1h LED (FBT5) flashes a warning of time out.
Electronic Boost Timer Single button to select the time FBT4: 1/4h to 2h, stock-no. 852-4579 FBT5: 1h to 4h, stock-no. 852-4573 LED indicators Output max. 13A / 1000W Fused connection unit Mounting in a single gang wall box