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