Spec Sheet Preview: The Alpha Communications® RY012AM specialty relay modules are used for a variety of reasons. They are primarily used with room calling stations on the AlphaEcall™ 200 series emergency-call systems. It can also be used to provide a 'Form C' relay contact from virtually any 12VDC input source. The RY012AM can even be powered directly from a 12VDC power supply. As long as a 12VDC source is present, the RY012AM will engage, providing a normally-open and a normally closed set of contacts, with a shared 'common' screw …