Kidde RBUN Mains Powered Relay for Mains Powered Hardwire Interlinked Kidde and Firex Detectors

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By Paul Maloney on Thu 06 November 2025

By Paul Maloney on Tue 07 October 2025

By Paul Maloney on Thu 18 September 2025

K19RBUN

Relay with volt-free contacts.
Relay activates when interlinked smoke / heat alarm(s) or carbon monoxide alarm(s) sound an alarm.
The installer MUST pre-select the selector switch on the relay module - select either ‘SMOKE’ or ‘CO’.
Kidde Code: RBUN

Downloads

Datasheet