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External Power Supply
The MPA1C1 can also be powered from an external 12VDC
power supply.
If an external power supply is connected and powering, the
MPA1C1 will take power from the external power supply.
An external power supply is recommended in case of controlling
heavy duty locks (such as Magnetic locks), where output current
for the lock would exceed 500mA.
Backup power
The MPA1C1 can be powered from PoE or an external power supply. The
backup power supply must be connected to the power source.
Recommended backup power source
Power Source
PoE Switch or PoE inserter
External 12V Power
• For ULC60839-11-1 and UL294 and CAN/ULC60839-11-1
Complaint systems, DC Power shall be provided through a UL/ULC
listed access control, or burglar alarm power supply with class 2
limited output.
The 7Ah lead-acid battery in the external power supply is not
evaluated by UL294 and CAN/ULC60839-11-1
The battery or UPS provides standby backup power, depending
upon system configuration and activity.
For MPA1C1 power consumption details, see
consumptions
beginning on page 41
Power Backup
UPS (Unbreakable Power Supply)
7Ah sealed lead-acid battery
Power
11
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