The MRI-5551 andf MRI-5551R are constructed of Lexan in an off-white color. The MRI-5551 and MRI-5551R plug-in detectors are designed to commercial standards and offers an attractive appearance.

Applications

Use thermal detectors for protection of property. Use smoke detectors in life-safety applications to provide a broad range fire-sensing capability.

Features

 ULC, UL, CSFM, MSFM, and MEA Listed
 FM, LPCB, Vds and EN54 (Part 7) Approved
 Dual thermistors
 Factory preset at 58° C (135° F)
 Factory preset rate of rise of 8°/min (15°F/min) on MRI-5551R
 Addressable by device
 Direct DECADE 01-99 entry of address
 2-wire loop connection
 Visible LED's "blink" every time detector is addressed
 360° field viewing angle of the visual alarm indicators (2 LED's)
 Integral communications and built-in device type identification
 Remote test feature from the panel
 Built-in functional test switch activated by external magnet
 Low standby current
 Built-in tamper-resistant feature
 Designed for direct surface or electrical box mounting
 Sealed against back pressure
 Plugs into separate base for ease of installation and maintenance
 Separate base allows interchange of photoelectric, ionization, and thermal detectors
 SEMS screws for wiring of the separate base
 94-5V plastic flammability rating
 Remote LED output connection
 Compact, stylish design