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Magnum XS 450 Power System –48 VDC User’s Manual Page 2
2 Introduction
2.1. General Information
DC Power Plants from APC have unique features that make them easy to install, maintain,
and upgrade. The rectifier units are modular and truly “hot-pluggable” into the shelf
assembly without any separate ac wiring. The shelf assemblies are also modular and can be
added when system capacity needs to be expanded. All system settings are made from the
system controller that provides monitoring and control functions for each component of the
system as well as alarm listings for system diagnosis and maintenance.
The APC Magnum XS 450 Power System is a modular stand-alone -48V dc power plant. It
is configurable in such a manner that it will support most typical applications within the
specified current range without special application engineering or assistance. A wide variety
of dc output distribution and battery disconnect modules are supported. An optional low
voltage disconnect (LVD) can be provided on either the battery or the load side. A 450-
ampere system is shown in Figure 2.1-1. A block diagram of a typical configuration of the
power system is shown in Figure 2.1-2
.
Figure 2.1-1 Magnum XS 450 Power Plant