Concurrent maintenance for higher availability
With 9395 redundant models, Eaton field technicians can com-
pletely isolate and service a redundant module while the other
module carries the load–without going to bypass for service. The
9395 also features a completely front-accessible design and can
be installed against walls or back to back in multi-module configu-
ration. This service-friendly design enhances maximum uptime
and availability.
Ease of installation
The 9395 is a completely integrated large system that incorpo-
rates multiple power modules and system switchgear on factory
pre-wired bases. Cabling busbar enters the 9395 UPS from either
the top or bottom of the cabinet to provide easier and more flex-
ible installation. Since everything is pre-wired, cabling busbar
costs and installation time are significantly reduced.
Batteries: the heart of every UPS
When a utility power outage causes a UPS to switch to battery
power, it is imperative that those batteries are healthy, charged
and up to the task. Improper battery management is the number
one cause of downtime. Many UPS batteries on the market today
are constantly trickle-charged – a process that degrades the bat-
tery’s internal chemical composition over time, reducing potential
battery service life by as much as 50%. To address this, the 9395
uses a sensing circuit and an innovative three-stage charging tech-
nique ABM technology to significantly extend battery service life
and optimize recharge time. In addition, temperature-compensat-
ed charging monitors temperature changes, and adjusts the rate
of charge to prolong battery life.
Monitor batteries for optimum readiness
Advances in firmware and digital technology enable the 9395 to
offer sophisticated battery monitoring and management features
that you might expect to find only on expensive add-on systems,
including:
Battery runtime remaining monitor uses system loading and •
trended battery discharge data plus internal sensing points for
voltage and current data to calculate runtime remaining
Battery circuit test performs a periodic full-load test of the bat-•
tery string to ensure that there are no open circuits or weak
cells that would jeopardize battery performance and system
availability
Service this module...
…while this
module carries
the load
Concurrent maintenance in Eaton 9395 550 kVA
Battery voltage during ABM charging process
Power Xpert
TM
9395 550 kVA
www.eaton.com/UPS 5
Jul12•9395 UPS 225-1100kVA.indd 5 7/18/12 12:34 PM
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