Conventional Fire Alarm Control Panels
AC POWER: 90 to 270VAC, 50Hz, 3.0amps. Wire size：minimum 14AWG(2.0mm2) with 600-volt insulation. BATTERY: Sealed lead-acid batteries only Maximum charging circuit: 27.6VDC @ 0.8 amp for normal flat charge. Maximum battery charger capacity: 18AH battery.