Spec Sheet Preview: The PK612A is a light-duty lamp flasher for DC use. It is designed for emergency call annunciators or similar use where continuous operation is not expected. The PK612A is used primarily with the AlphaEcall™ and CM800 series emergency-call systems, and is powered by the PK601A (DC) power supply unit. It is also used with the AlphaStatus™ room status system to provide emergency signaling to the master station(s) from the SF119/2A Emergency Pull Stations, and requires no …