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BRK First Alert RM4 120V Wire-In Relay
BRK First Alert RM4 120V Wire-In Relay
Regular price
$31.34 USD
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$31.34 USD
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SKU: RM4
UPC: 029054000576
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Rating: 4.5/5
Ranked: #174 in Smoke Detectors & Fire Alarms
Last Updated: May 06, 2026
The BRK First Alert RM4 Auxiliary Alarm Relay operates on 120V AC and is designed for use with BRK or First Alert Alarms. This relay enables the activation of auxiliary devices, such as lights or horns, when an alarm is triggered. Ideal for enhancing fire or security systems in residential and commercial settings, this relay module ensures timely signaling for maximum safety. Installation is straightforward for integration with compatible alarm systems.
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