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www.eaton.com/9390 1.800.356.5794
Energy Saver System
introduction to the market, helping facilities save thousands
in energy costs over traditional UPS designs. Now with the
available Energy Saver System (ESS), the 9390 achieves over
99 percent efficiency no matter how large or small the load.
This additional energy savings is achieved through advanced
power core technology, and continues to provide the load with
not just a utility bypass. The load is always protected.
Learn more at eaton.com/ESS
20%
70%
80%
90%
100%
30% 40% 50% 60% 70% 90%80% 100%
LEGACY UPS
UPS EFFICIENCIES
UPS EFFICIENCY
UPS LOAD
EATON UPS WITH ESS
EATON UPS
CRITICAL LOAD 50 kW 125 kW 250 kW
(energy + demand) per kW hr ELECTRIC COSTS $0.11 $0.11 $0.11
LEGACY UPS EFFICIENCY 92.5% 92.5% 93%
EATON ESS UPS EFFICIENCY 99% 99% 99%
3-YEAR ANNUAL ENERGY SAVINGS 145 MW hr 363 MW hr 670 MW hr
3-YEAR ANNUAL CO
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SAVINGS
ANNUAL ELECTRICAL COST SAVINGS*
$15,972 $39,929 $73,715
* Includes savings realized through minimizing UPS energy losses and reduced cooling requirements.
High efficiency options reducing
costs and wasted energy
400 Volt
In addition to conventional (208V and 480V) voltage capabilities,
the 9390 now has the ability to support direct-connect 400/230 Vac
for powering directly to the IT rack. This capability allows for the
deployment of a UL/CE rated UPS that can protect and distribute
400/230 Vac directly to IT racks without an additional step-
down transformer. Some of the efficiencies and benefits of this
alternative voltage powering are:
heat losses, saves valuable floor space, and significantly reduces
higher efficiency (no changes required, as virtually all servers are
rated to operate at up to 240 Vac)
higher than that of a traditional 480V system.
www.eaton.com/400volt
ENERGY SAVER SYSTEM VS. LEGACY UPS
POWER DISTRIBUTION SYSTEM SERVER RACK
100% 92% 90% 76%
Server
Power
Supply
Utility
480V
8% LOSS 2% LOSS 16% LOSS
UPS
Transformers/
PDU
Traditional 480V end-to-end efficiency
POWER DISTRIBUTION SYSTEM SERVER RACK
100% 99% 98% 84%
Server
Power
Supply
Utility
480V
Auto-
transformer
480/400
<1% LOSS 1% LOSS 14% LOSS
UPS
Energy Saver
System
400V with Energy Saver System
end-to end efficiency
(14 Seiten)
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