APC InfraStruXure Power Supply Specifications download pdf (Page 11)

InfraStruXure 20kW System—Installation, Operation, and Maintenance 5

Overview

InfraStruXure 20kW System Components

Front view

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Power cables—The cables

provide power to

equipment racks; they exit

the system through

knockouts on the roof of

the enclosure. The power

cables consist of five wires:

three phases, one neutral,

and one ground. The

number of power cables

installed depends on your

system’s configuration.

Each power cable has a

NEMA L21-20 outlet,

which accepts a variety of

APC InfraStruXure

accessories, including Rack

PDUs and the Automatic

Transfer Switch.

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Main input gland plate—

This gland plate is used for

wiring access to the main

input terminals. When an

electrician connects utility

power to the system, this

gland plate guides the

conductors to the main

input terminals.

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Wiring access cover—This cover is used for wiring access to the distribution circuit breaker

panel. Remove this plate when you add power cables or breakers to the system.

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Display interface—The display interface is attached to the name plate on the front door of the

enclosure. It has an LCD, five-button interface, basic status lights, and a beeper.

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Leveling feet—The feet adjust for leveling the enclosure. All enclosures must be level before

installation of the system begins.

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APC InfraStruXure Power Supply Specifications Page 11

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