Emergency call system UPS module, AS series, white (screw fastening, without fastening claws) without frame for bridging power failures Installation instructions: use a deep box Input voltage: DC 24 V from the power pack (item no.: NRS .. 0834 NT ..) Output voltage in battery operation: 22.8 V DC, ± 10 % Nominal load: 130 mA in battery operation for 1 hour Maximum load in battery operation: 300 mA for 15 minutes Maximum load in mains operation: 250 mA