Figure 1. The Eaton 9155 Ups And Ebm (2-High Cabinets Shown) - Eaton 9155 UPS User Manual

C C h h a a p p t t e e r r 1 1 I I n n t t r r o o d d u u c c t t i i o o n n
The Eaton
computer systems and other intelligent devices. It is ideal for protecting essential information technology and
electrical engineering infrastructure in corporate, telecom, health care, banking, and industrial applications.
The UPS provides a steady, well-regulated power supply for your computing and communications equipment,
while protecting it from the frequent irregularities that are inherent in commercially available power. Voltage
spikes, power surges, brownouts, and power failures have the potential to corrupt critical data, destroy
unsaved work sessions, and in some instances, damage expensive hardware.
With the Eaton 9155, you can safely eliminate the effects of electrical line disturbances and guard the integrity
of your systems and equipment.
(EBM).

Figure 1. The Eaton 9155 UPS and EBM (2-High Cabinets Shown)

Providing outstanding performance and reliability, the Eaton 9155's unique benefits including the following:
• Online UPS design with pure sine wave output. The UPS filters and regulates incoming AC power and
provides consistent power to your equipment without draining the battery.
• More wattage in less space with a 0.9 power factor—protecting more equipment and leaving more room
for expansion.
• Support for Powerware Hot Sync
• Input current total harmonic distortion (THD) of less than five percent, using active input power factor
correction.
• ABM
recharge time, and provide a warning before the end of useful battery life.
® 9155 is a double-conversion, split-phase, online uninterruptible power supply (UPS) for protecting
Figure 1
Eaton 9155
® technology that uses advanced battery management to increase battery service life, optimize
shows the Eaton 9155 UPS and an optional Extended Battery Module
EBM
UPS
® paralleling of multiple modules for redundancy or extra capacity.
Eaton 9155 UPS (8–15 kVA) User's Guide 164201553—Rev H0 1