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Alarm
System Power Supply
Every
alarm system requires an electrical power supply to run. This
typically consists of the following;
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- A
small electrical transformer that converts the 120V
AC line voltage to low voltage (16V AC is typical)
- Components
on the alarm control panel convert the 16VAC from
the transformer to 12VDC. This is the same type of
power supplied by your car battery.
- A
self-charging backup battery that will allow your
system to continue to operate in the event of a power
failure. If the AC power supply to your system fails
the backup battery will automatically take over and
supply power for about 8 to 12 hours. When the AC
power returns the battery will automatically recharge.
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The
power supply is an essential part of the system because every
other component in the system is relying on a stable, uninterrupted
source of power to function. A poor quality power supply can
result in problems such as false alarms or failure of the
backup battery.
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Me More About Alarm System Power Supplies
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