Introduction
Notes on the use of the Backup Power Supply
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This product is designed and manufactured for use for OA equipment such as personal com-
puters.
Do not use it when very high reliability and safety are required as listed below.
• Medical equipment that may cause death directly
• Applications that may cause injury (applications that directly affect the operation and con-
trol of planes, ships, railroads, elevators, and so on)
• Applications that are always subjected to vibration such as cars and ships
• Applications in which a failure of this product may cause significant damage or effect to the
society and public (important computer systems, main communication equipment, public
transportation systems, and so on)
• Equipment with the same level of importance
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For equipment that greatly affects the safety of people and maintaining public functions, spe-
cial considerations related to operation, maintenance, and management must be taken such
as duplicating the system and emergency power generation facilities.
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Observe the contents of this manual such as the use conditions and environments.
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When you want to use this product for an important system that requires very high reliability,
contact us; ___________________________
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Do not modify/alter this product.
©OMRON Corporation. 2004 All Rights Reserved.
Features of this product
Thank you for purchasing Omron's Uninterruptible Power Supply (UPS).
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The UPS protects computers and other devices from power failures, voltage variations, in-
stantaneous voltage drops/power failures, and surge voltage caused by thunders and so on
(a phenomenon in which extraordinary high voltage occurs instantaneously).
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Under normal conditions, it converts the commercial power to a direct current once, recon-
verts it to a stable 100-VAC sine wave, and outputs it.
When detecting a failure of the commercial power, it switches to battery-supplying to provide
the continuous output of a sine wave. This is called On-line Power Method.
It is suitable especially for use where power supply conditions are bad (for example, voltage
variations are large).
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The output capacity is 500VA/350W for BU50XS, 700VA/490W for BU70XS and 1KVA/700W
for BU100XS.
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It provides Network line surge protection function to protect communication devices such as
modems from surge voltage that comes through the line (a phenomenon in which extraordi-
nary high voltage occurs instantaneously).
