Fire-Lite B224BI-WH Isolator Detector Base, 6.2" (15.748 cm) diameter, White

Ensure continuous fire detection and minimal downtime with the Fire-Lite Alarms by Honeywell B224BI-WH isolator detector base. Designed for use as a detector base in commercial security and monitoring systems, this isolator base automatically isolates short-circuit faults on the Signaling Line Circuit (SLC) so a single wiring fault won’t disable the entire loop—keeping surveillance and life-safety communications active. The B224BI-WH is fully compatible with System Sensor Select Series intelligent photoelectric and thermal detectors and mounts on a 6.2" (15.748 cm) diameter platform to align with common 6" junction boxes for a neat, code-compliant installation. Finished in white to match most ceiling devices, it includes a mechanical locking feature to deter tampering and accidental removal in public or critical areas. With a low-power 32V DC input and plug-in convenience, the base reduces installation time and system load while improving reliability. Ideal for building managers, integrators, and fire alarm contractors who need robust, maintenance-friendly detector accessories. Add the B224BI-WH to your next security or fire monitoring project to improve uptime and simplify service.

• Keeps your signaling line circuit (SLC) operational by isolating short-circuit faults to prevent loop-wide outages
• Compatible with System Sensor Select Series intelligent smoke and heat detectors for seamless integration into existing monitoring systems
• Mechanical locking feature secures detector heads to reduce tampering and accidental removal in high-traffic installations
• 6.2" (15.748 cm) diameter white base fits common 6" junction boxes for fast, code-compliant mounting and tidy installations
• Low-power design (32V DC input) minimizes system load while maintaining reliable supervision and security performance