The DoorSense fire door holder hold-open system allows you to safely and legally keep fire doors open for free movement around buildings, and will automatically release when a fire alarm sounds allowing the door to close
A battery-operated system that is quick and easy to install, with no secondary installations costs, no hard wiring required and retrofits existing products
2 x C alkaline batteries included
Fail safe mode automatically releases DoorSense
Automatically releases after loud sound greater than 80dB and longer than 15 seconds
Suitable for doors up to 160kg and 1600 wide and be used in conjunction with size 3 to size 7 door closers
Tested over 50,000 times
Fire rated for timber (FD120) fire doors
CE marked to EN 1155 and EMC tested