SFP-400B 15124:G1 06/24/97
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Notes:
1) Alarm AH assumes a maximum system draw of 2.4 amps in alarm for 5 minutes
(0.2 AH) or for 10 minutes (0.4 AH)
2) NFPA 72-1993 Central Station, Local and Proprietary Protective Signaling Systems require 24 hours of
standby.
3) NFPA 72-1993 Auxiliary and Remote Station Protective Signaling Systems require 60 hours of standby.
4) The battery charger in this panel will charge a maximum of 15 amp/hours of batteries within 48 hours (7 amp/
hour minium). Batteries larger than 12 amp/hour will require a UL listed battery cabinet (e.g. Notifier BB-17).
Table A-2: Ampere-Hour (AH) Calculations
amps X hours =
Enter 0.20 for 5 minutes in alarm or
0.4 for 10 minutes in alarm
Add Standby and Alarm AH =
Select a battery with an equal or greater AH rating than the figure obtained in Table A-2.
Batteries must be lead-acid type.
Batteries available from Notifier:
PS-1270 - 12-volt, 7 AH (two required)
PS-12120 - 12 volt, 12 AH (two required)
Standby AH
Alarm AH
Total AH
needed
+
Standby Battery Current Standby Time
Convert the total from Table 1 24 or 60 hours
to amps and enter here
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