The FST24 (24 hour) and FST77 (7 day) are Time Switch units which mount onto a BS4662 flush mount single box, or a BS5733 surface mount single box, (25mm deep in either case). There is provision for a single front exit output cable, with built in cable clamp.
The unit combines the facilities of a time switch and a double pole switched fused connection unit capable of being wired directly into a ring main. The contacts are not volt free. The unit has the option of automatic daylight saving pre-programmed in.
Ideal for use in controlling heating and ventilation appliances, combination boilers, washing machines, dish washers or lighting.

Indicator shows when timed output is On
SPDT contact configuration
Boost function
Fused connection unit
Loop terminal for earth continuity
Surface mounting type
Battery back-up

The Theben digital time switch is a high-tech, surface mount single-channel device. This switch has a single pole double throw (SPDT) configuration. It has a voltage rating of 230VAC with 13A Resistive (3kW) switch current rating. The unit combines the facilities of a time switch and a double pole switched fused connection unit capable of being wired directly into a ring main. It 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.

Permanent OFF and timed outputs available
Segment length of 7-days
Easy view 24-hourss digital clock/timer display
Optional 1 or 2 hour boost facility
Automatic summer/winter time changeover
Self-cancelling override
Shortest switching time 1 minute
BS1362 fuse was replaceable from the front
Integral memory back up battery retains programmes in event of power failure
Ideal for replacing single gang connection unit or fixed appliance outlets
Loop terminal for earth continuity
Operating temperature ranging between 0°C and 40°C
Battery life of 4 weeks

Heating and ventilation appliances
Combination boilers
Washing machines
Dish washers or lighting

Digital