Eaton 9E UPS (40–60 kVA, 208/220V) Installation and Operation Manual P-164000058—Rev 4 www.eaton.com/powerquality 1-1
Chapter 1 Introduction
The Eaton
®
9E 40–60 kVA uninterruptible power supply (UPS) is a true online, continuous-duty,
transformerless, double-conversion, solid-state, three-phase system, providing conditioned and uninterruptible
AC power to protect the customer's load from power failures.
The Eaton 9E 40–60 kVA online power protection system is used to prevent loss of valuable electronic
information, minimize equipment downtime, and minimize the adverse effect on production equipment due to
unexpected power problems.
The Eaton 9E 40–60 kVA UPS continually monitors incoming electrical power and removes the surges, spikes,
sags, and other irregularities that are inherent in commercial utility power. Working with a building's electrical
system, the UPS system supplies clean, consistent power that sensitive electronic equipment requires for
reliable operation. During brownouts, blackouts, and other power interruptions, batteries provide emergency
power to safeguard operation.
The UPS is housed in a single free-standing cabinet, with safety shields behind the door for hazardous voltage
protection. Figure 1-1 shows the Eaton 9E 40–60 kVA UPS.
Figure 1-1. Eaton 9E UPS (40–60 kVA)
NOTE 1 Startup may be performed by the customer’s battery qualified electrical contractor
for single (not parallel) UPS installations without any accessory cabinets such as an
External Battery Cabinet.
NOTE 2 Startup and operational checks for parallel systems or installations with accessory
cabinets must be performed by an authorized Eaton Customer Service Engineer, or
the warranty terms specified on page W-1 become void. This service is offered as
part of the sales contract for the UPS. Contact an Eaton service representative in
advance (usually a two-week notice is required) to reserve a preferred startup date.
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