Timeguard FST77 7-Days Fused Spur Timeswitch 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) 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. The Timeguard FST77 7 Day Fused Spur Timeswitch has 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. Switches the following lighting loads: 750W incandescent or halogen lighting, 500W fluorescent lighting, 100W compact fluorescent lighting (CFL) and 200W LED -lighting. Not suitable for discharge lighting and red LED �Mains ON� and green LED �Output� indicators for easy viewing. Integral memory backup battery retains programmes in event of power failure. This 7-Days Fused Spur Timeswitch is most suitable for use with up to 3kW immersion heaters. Features: 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 units or fixed appliance outlets. Fits a single gang wall box min. 25mm deep.