This chapter explains how to use the Legrand PDU, including:
Introduction to the LEDs and ports on the PDU
Operation of the front panel display
The overcurrent protector's behavior
The reset button
In This Chapter
Panel Components..................................................................................56
Circuit Breakers.......................................................................................84
Panel Components
Legrand PDU comes in Zero U, 1U, and 2U sizes. All types of models come with the following components
on the outer panels.
Inlet
Outlets
Connection ports
Dot-matrix LCD display
Reset button
Inlet
Connect each Legrand PDU to an appropriately rated branch circuit. See the label or nameplate affixed to
your Legrand PDU for appropriate input ratings or range of ratings.
There is no power switch on the Legrand PDU. To power cycle the PDU, unplug it from the branch circuit,
wait 10 seconds and then plug it back in.
Outlets
The total number of outlets varies from model to model.
Legrand Switched PDU
These models are outlet-switching capable. A small LED is adjacent to each outlet to indicate the state of the
relay board.
LED state
Outlet status
What it means
Not lit
Powered OFF
The outlet is turned off and no power is available.
OR the control circuitry's power supply is broken.
OR the outlet's associated circuit breaker has
tripped.
Red
ON and LIVE
LIVE power. The outlet is on and power is
available.
Introduction to PDU
Components
