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If the main amplifier fails
Input 115VAC
Notifier 17021 Fire Alarm Key
Heat Detector (CR) - Flashing LED
Secutron MR-2312-DDR Fire Alarm Control Panel 12-Zone LCD Display DTK-6003CMXPLUS If the main amplifier failsSecutron MR 2312 DDR 12 Zone LCD Display Fire Alarm Control Unit with Built In UDACT Digital Communicator Microprocessor Based c w LCD The MR 2312 DDR is equipped with twelve Class B (Style B) initiating circuits and four Class B (Style Y) indicating circuits at 1. 7 Amps maximum. (Total of 5 Amps). Two MR 2300 A Six Initiating Circuit Class A Converter Module may be used for Class A (Style D) wiring of the initiating circuits. One MR 2300 NC4 Four
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