... UL864&EN54 standard. Key words: Fire alarm Control Panel,conventional fire alarm control panel, fire alarm panel, fire alarm, FACP, fire alarm system, fire-fighting, fire panel, fire alarm controller, fire alarm control unitFeatures1) 4/8/16 ... amps of total system power7) Alarm, Trouble and Supervisory, Form-C relays standard.8) 24-volt operation9) Resettable four-wire smoke detector power @ 500 ...