This PCB is designed to make the installation of multi-door security interlock (airlock style) systems simple and economical by ensuring one door has to be closed before the other door in the system can be released.FeaturesFor use with fail-safe locks onlyCan be used in conjunction with monitored releaseAlternatively, standard door releases, alarm contacts and push-buttons can be used, eliminating the necessity for expensive monitored releasesThe relay is housed in a plastic boxRuns on 12Vdc with changeover contacts12V output, rated at 1amp per door, with volt free output to monitor system
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