FIRECLASS Prescient III
5.3 Mechanical, Electrical and Environmental Specification
Application, Installation & Commissioning Doc. version 2
35
Battery Specification
Parameter
Value
Battery charger output:
Temperature compensated float charger
28.25V ±0.1 V@-5 ºC
26.78 V ±0.1 V@ +50 ºC
5 A
Maximum internal resistance of battery & charger
circuit (Ri max)
0.35 Ω
2 off
PS12120
(12 V 12 Ah)
L = 151 mm
W = 98 mm
H = 94 mm
HT = 100 mm
Battery circuit protection
F6.15AL250V 20 mm fast blow glass fuse
Mains failed fault battery current
60 mA + Ancillary equipment current
Mains failed alarm battery current
160 mA
+ 20 mA to 50 mA for each zone in alarm
+ Ancillary equipment current
+ Alarm circuit current
+ Solenoid circuit current
Table 11: Battery Specification
L
HT
H
W
Battery Type:
Environmental Specification
Parameter
Value
Operating temperature
-5 ºC to 40 ºC
Operating humidity
5% to 95%
Table 12: Environmental Specification
Replace only with identical type
& rating of fuse
POWERSONIC
Replace only with identical
battery
