Document A55-00042 Rev. I POWERVAR Mobile Power Manager
P a g e
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Feature
Specification
Battery Protection /
Sleep Mode / Auto
Restart
Battery Protection -- MPM shuts down when battery VDC is below a cut-off threshold
defined for a specific battery type (SLA vs LiFePO
4
)
The output and internal power supply is turned OFF and the MPM goes into a very low
power state (sleep mode) where the drain current on the battery is < 50 uA.
When AC returns, the internal power supply is enabled and the unit starts up. If the
output was on prior to shut down it will automatically be turned on.
(See also:
MPM post-shutdown Auto Recovery section)
Overload Protection
MPM
OVERLOAD
TABLE
Line Mode
(Running on AC)
protection shut
down delay
Battery Mode
(Running on DC)
protection shut
down delay
110% - 120%*
5 minutes
30 seconds
121% - 140%*
5 seconds
5 seconds
141% - 200%
1 second
500 ms
201%+
100 ms
100 ms
Output
Recovery in
Line Mode
NO
YES
(Output short circuit protection in both modes) Overload conditions are signaled on
the RUI and presented in MPMView software.
* Audible alarm sounds within 3 seconds.
Summary of Contents for MPM
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