Power Supply Installation Instructions
38
AC-Q74 Installation and Programming Manual
A sealed lead acid battery charger is built-in to provide back-up power
for the ACU and the Lock Strike. The PC-25T can also power an
external speaker that is controlled by the ACU to annunciate Bell,
Chime and Siren tones.
The PC-25T is also available in two steel enclosures. For more details
on the models with enclosures PS-A25T, PS-C25T, and PS-C25TU, see
Chapter
13.
12.2
Electrical Specifications
AC Input
16 VAC (1.5 A, 40 VA)
DC Battery Charger
12V DC Lead Acid Battery. Up to 7AH
recommended.
DC Input wired to
backup battery
terminals
10 - 16 VDC
Battery current draw depends on attached devices
Lock Strike Output
and Power Supply
5 A Relay
SPDT connection available via terminal blocks
12 VDC, constant voltage
1.2 A current limit
Controller Power
Supply
12 VDC, constant voltage
300 mA current limit
Communications
Rosslare proprietary protocol
Power LED &
Speaker Output
Power LED indicator
8 OHM, 0.25 W (minimum)
For bell, chime and siren alerts
12.3
Environmental Specifications
Operating
Temperature
-10°C to 50°C (14°F to 122°F)
Operating
Humidity
0 to 95% (non-condensing)