Air Products and Controls MSR-50RKA/W is a remote control and sounder assembly for duct smoke detectors that provides audible and visual indication plus key-operated test and reset. The unit operates at 24 VDC, mounts to a double-gang Decora-style plate, and is compatible with SL-2000, SM-501 and RT-3000 series detectors. It includes a lever-operated quick-connect four-position terminal block and a port for an optional strobe assembly.
Tri-color pilot, trouble and alarm LEDs with integrated enhanced sounder (78 dB @ 10') and horn current specification
Key-operated test and reset with lever-operated no-tools four-position terminal block and wiring terminations for pigtails
Mounts to standard double-gang Decora plate; compatible with SL-2000, SM-501 and RT-3000 series duct smoke detectors