Fire-Lite Alarms B224RB-IV Detector Base with Relays, Plug-in, Ivory

Optimize auxiliary control and simplify installations with the Fire-Lite Alarms by Honeywell B224RB-IV plug-in detector base. This detector base with an integrated Form C contact relay is built for installers and systems integrators who need reliable, repeatable control of auxiliary functions—such as door closures, elevator recall and other building safety workflows—within security and monitoring systems. Plug-in compatibility with Fire-Lite 200 Series detectors reduces commissioning time and minimizes wiring errors, while SEMS terminal screws and 12–24 AWG support give you the wiring flexibility required on mixed commercial sites. The robust relay output enables streamlined integration with access control, surveillance and building automation for coordinated responses during alarms. Finished in ivory to blend into most interiors, the B224RB-IV helps maintain a professional appearance without sacrificing performance. Ideal for retrofit and new-construction projects that demand dependable relay control, this detector base lowers installation time and long-term maintenance overhead. Add the B224RB-IV to your next security, surveillance or life-safety system deployment for faster installs and reliable auxiliary control.

• Speeds installation with a plug-in design that reduces labor and on-site errors
• Integrated Form C contact relay provides dependable auxiliary control for door closures, elevator recall and other life-safety functions
• SEMS screws and 12–24 AWG support simplify wiring and provide flexibility across commercial deployments
• Compatible with 200 Series detectors to streamline system integration and troubleshooting
• Ivory finish offers a low-profile aesthetic for visible installations in offices, corridors and public spaces