Catalog > RR1A Polarity Reversal Relay Module for ...
Verified: January 13, 2026
RR1A Polarity Reversal Relay Module for Smoke detector interconnection
~$36.03
The RR1A Polarity Reversal Relay Module is designed to facilitate the interconnection of smoke detectors in a fire alarm system by providing a means to reverse the polarity of the signal.
Key Specifications
- Compatibility: Compatible with most conventional smoke detectors
- Voltage: 12-24 VDC
- Current: Up to 1A
- Mounting: DIN rail or screw mount
- Operating Temperature: 0°C to 49°C
- Dimensions: Approx. 2" x 2" x 1"
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