System Sensor B224RB relay base for SS-Series addressable detectors in standard white/ivory finish.

Compliance

• UL 268 (7th Edition)
• UL 521
• UL 268A

Key features

• Integrated relay output for auxiliary control without additional module hardware
• Rotary address switches allow precise point-ID assignment for the mounted detector
• Dual LEDs provide 360° alarm status indication from any viewing angle
• Low standby current extends SLC loop device capacity
• Compatible with SK, LiteSpeed™, and SS Protocol addressable panel systems

System Sensor (a Honeywell brand) B224RB relay bases are used throughout commercial fire alarm systems to combine detector mounting and auxiliary relay control at a single ceiling point. The onboard relay activates under panel command for applications such as HVAC shutdown, magnetic door holder release, or local sounder control. Pairs with SS-Series intelligent photoelectric and thermal detectors on Notifier, Gamewell-FCI, Silent Knight, and Fire-Lite compatible systems.

Verify panel/device family compatibility before ordering.