Beam Detector 5-50m With Reflector 48BFC00248BFC002 is a linear reflection smoke detector, ideal for protecting the large areas found in industrial or commercial sites, or even long corridors, large halls or rooms with similar characteristics. The technology used offers a coverage area of between 5 and 50 metres. It is especially suitable for protecting very tall buildings as an alternative to point detectors, for aesthetic reasons or to limit the number of detectors in the space. Signals variations in status via relays and requires external power supply. Approved to EN 54-12.