IFP-75 Series Manual — P/N LS10147-001SK-E:E 4/6/2022 25
Calculating Current Draw and Standby Battery Prerequisites for Installation
Maximum Battery Standby Load
Table 3.5 shows the maximum battery standby load for the IFP-75 based on 24 and 60 hours of standby. The standby load calculations of line
G in the Current Draw Calculation Worksheets (Table 3.2, Table 3.3, and Table 3.4) must be less than the number shown in Table 3.5 for the
battery size used and standby hours required.
Rechargeable
Battery Size
Max. Load for 24 hrs. Standby,
5 mins. Alarm
1
Max. Load for 60 hrs. Standby,
5 mins. Alarm
1 Required for NFPA 72 Auxiliary Protected Fire Alarm systems for Fire Alarm Service (City Box) and
Remote Station Protected Fire Alarm systems (Polarity Reversal) and Digital Alarm
Communicator/Transmitter (DACT).
7 AH 270 mA 105 mA
12 AH 475 mA 190 mA
17 AH 685 mA 270 mA
33 AH 1370 mA 540 mA
Table 3.5 Maximum Battery Standby Load
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