... latest UL864&EN54 standard. Key words: Fire alarm Control Panel,conventional fire alarm control panel, fire alarm panel, fire alarm, FACP, fire ... system, fire-fighting, fire panel, fire alarm controller, fire alarm control unitFeatures1) 4/8/16 Style B (Class B) Initiating Device ... up to 18 AH batteries (batteries over 4 AH require use of the external battery backbox, or ULC listed equivalent).12 ...