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C
o
n
duit-landing plate, above, is
positioned for easy cable access.
Un
d
e
r
fl
oo
r j
un
c
tion, inset, above right,
is standard for 4-input models and
optional for others.
31
Liebert Remote Distribution Cabinet (RDC)
The influx of client/server rack equipment is changing the content of data
centers. There are more devices than before—and they consume less power
than their predecessors. As a result, most power distribution units (PDUs)
run out of circuit breaker poles before they run out of rated capacity.
The Liebert Remote Distribution Cabinet (RDC) extends the functionality of
the PDU by packaging 168 poles (four complete 42-pole inline panelboards)
in a stand-alone cabinet.
Unlike standard Liebert Precision Power Centers (PPCs), the RDC has no
internal isolation transformer and requires 4-wire-plus-ground input from a
PPC or other transformer. By separating the PPC transformer from the
panelboard function, Liebert was able to create an extremely compact
package that fits the area of a standard 24” x 24” raised-floor tile.
The individual panelboards inside the Liebert Remote Distribution Cabinet
can receive power from different sources. This enables the RDC to provide
fault-tolerant, fully maintainable dual-bus power to nearby load equipment.
A dual-input RDC can be configured with two panelboards on each side
sharing common input terminals.
Other Features Of The Liebert RDC:
U
nobstructed wiring access for ease of installation
Complete isolation and maintainability
Optional clear door insert panels enabling visual inspection
o
f the b
r
e
akers without unlocking the cabinet
Optional adjustable accent panels to make it easier to
compensate for breaker “creep”
Sin
gle
, du
al or f
our-input configurations
Optional current monitoring panel
Optional input junction box and underfloor conduit box
UL an
d CE c
om
pliant and labeled
P
O
WER
D
ISTRIBUTION SYS TEMS
5
The Better Way To Wire High Density Facilities