FBT4N 4 Hour Electronic Boost Timer & Fused Spur BoostMaster Fused Spur Countdown Switches now added to the range providing timed output protected by a BS1362 fuse switch. Automatic timed countdown selections to a fail safe OFF using simple push button programming with clear LED output status. Simply replace existing single gang connection units or fixed appliance outlets. Up to 5 ON times can be selected: 1/4hr, 1/2hr, 1, 2 and 4 hours. Automatic timer countdown selection to fail safe OFF. Easy push button selection with clear LED output status. Replaces existing single gang connection unit or fixed appliance outlets. Provides timed output protected by a BS1362 fuse switch. Ideal for immersion and room heaters automatically switching off at end of time period set. Fits a standard flush or surface mount BS wall box min. 25
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