Interlogix 405-03 Polarity Reversal Relay

Polarity Reversal Relay, 12VDC for Use w/2 or 4-Wire Smoke Detectors. 1 Circuit. Enables Any Control Panel to Trip All ESL Sounder Detectors On a Loop When Alarm is Detected. UL Listed.

The 405-03 from Interlogix Designed offer high with 2-4 wired The polarity relay comes an affordable price, 12 VDC power source, compact size, as well quality construction in range of locations. can be installed ease, and provides operating functions within many different applications.