Datasheet

8 APC PDU (AP9553 and AP9558): Installation Manual
Operation
Front view Review the following figures and related descriptions to
familiarize yourself with the components and the operation of
your
PDU.


 Circuit
Breaker
The circuit breaker is tripped when
the button is extended. When it is
tripped, the
PDU is overloaded and at
least one piece of equipment needs to
be unplugged. The circuit breaker is
rated to trip at the same overload as
most home and office utility service
branch protectors (
20).