Timeguard FST77 7 Day Fused Spur Timeswitch\n- Up to 4 ON and OFF programmes available (5 days plus 2 or 7-day programmes) giving up to 28 ON and OFF programmes per week.- Suitable for use with up to 3kW immersion heaters.- Switches the following lighting loads: 750W incandescent or halogen lighting, 500W fluorescent lighting, 100W compact fluorescent lighting (CFL's) and 200W LED -lighting. Not suitable for discharge lighting.- Red LED Mains ON and green LED Output indicators for easy viewing.- Integral memory backup battery retains programmes in event of power failure.\nFeatures:\n- Permanent OFF and timed outputs available. - Easy view 24-hour digital clock/timer display. - Optional 1 or 2-hour boost facility. - Automatic summer/winter time changeover. - Self-cancelling override. - Shortest switching time is 1 minute. - Programme advance and review options. BS1362 fuse is replaceable from the front. - Double pole switch for ease of control. - Ideal for replacing single gang connection unit or fixed appliance outlets. - Fits a single gang wall box min. 25mm deep.