Bosch FAP-440 SF 20/02 R-Series annunciators and expanders are

R-Series annunciators and expanders are mounted on a standard 4-inch square electrical box

a 21 Long Ribbon Cable

where spot-type smoke detectors are difficult to install and maintain

250 ft away from the FACP location

and MS-5210UD 10-zone Fire Alarm Control/Communicator with relay-by-zone capability for elevator recall

Bosch FAP-440 SF 20/02 R-Series annunciators and expanders areThe FAP440 Analog Detectors are open area smoke detectors of which some models are enhanced with heat or heat and CO sensors. The detectors work with the FPA1000 Analog Addressable Fire Panels. Use the detectors with the FAA440 bases to provide general life safety and property protection.