Power Supply Requirements
Selecting and Locating Batteries
6.4.2 Maximum Battery Standby Load
Tables 6.4 and 6.5 show the standby load calculations for the power supply based on 24 hours of standby. The standby load calculations in
the Table 6.3 must be less than the number shown in Tables 6.4 and 6.5 for the selected battery size, standby hour and alarm time. The num-
bers below have a built in 20% derating factor for the battery ampere capacity.
Battery
Capacity
(AH)
Alarm Time (min)
5
10
15
20
30
7
0.212 A
0.190 A
0.169 A
0.147 A
N/A
12
0.379 A
0.357 A
0.336 A
0.314 A
0.271 A
18
0.579 A
0.557 A
0.536 A
0.514 A
0.471 A
33
1.079 A
1.057 A
1.036 A
1.014 A
0.971 A
75
2.479 A
2.457 A
2.436 A
2.414 A
2.371 A
120
3.000 A
3.000 A
3.000 A
3.000 A
3.000 A
Table 6.4 Maximum Battery Standby Loads for 24 Hour Standby on the HPF-PS6
Battery
Capacity
(AH)
Alarm Time (min)
5
10
15
20
30
7
0.198 A
0.162 A
N/A
N/A
N/A
12
0.364 A
0.329 A
0.293 A
0.258 A
0.187 A
18
0.564 A
0.529 A
0.493 A
0.458 A
0.387 A
33
1.064 A
1.029 A
0.993 A
0.958 A
0.887 A
75
2.464 A
2.429 A
2.393 A
2.358 A
2.287 A
120
3.000 A
3.000 A
3.000 A
3.000 A
3.000 A
Table 6.5 Maximum Battery Standby Loads for 24 Hour Standby on the HPF-PS10
40
HPF-PS Series Instruction Manual —
P/N LS10227-003HP-E:C 2/2/2022