Conventional Bases

Conventional Relay Base 24V Latching

Product Overview

The B324RL interfaces with a Series 300 detector and a 24V control panel or power supplies that require an external contact to activate an ancillary piece of equipment.

The relay is controlled directly from the detector. When smoke is detected, both the detector and relay base will latch into alarm. To reset the detector and relay base, momentarily remove the power supply.


  • Accepts Series 300 range of detectors
  • 24V Latching
  • Compatible with fire & security systems
  • Tamper resistant feature
  • Detector removal indication (2 wire system)
  • Remote LED option

Ordering Information

Product Code



Coventional Latching Relay Base, 24V