Specifications

Liebert NXL On-Line UPS:
250-750 kVA, 3-phase
Liebert NXL UPS Provides Reliable Power
Protection And Advanced Technology
For High Power Applications.
Other Liebert NXL Features Include:
Matching battery and maintenance bypass cabinets for easy
configuration.
Top or bottom cable entry.
Internal cabinet cable wiring simplifies installation.
Ship-ahead I/O section can be installed before UPS installation.
Liebert ActiveStar
®
Digital Signal Processor (DSP) controls—no
potentiometers.
Redundant components—fans, power supplies, and
communications cards.
Provides superior handling of present and future computer loads,
up to 0.95 leading power factor without derating.
Color touch screen controls improve user interface and reduce risk
of human error.
Excellent dynamic performance and fault tolerance.
Generator and utility friendly with low current distortion.
Front access for installation and service.
Compact cabinets require less floor space.
Inter-cabinet cabling requires less hard wiring.
Built-in battery cabinet breaker isolates string for ease of service.
Energy efficient operation, with up to 94% operating efficiency.
First large UPS to be tested and UL Listed to UL1778 Fourth Edition,
which requires testing of every specification.
The industry’s most reliable power protection and
advanced technology has been combined into a new
generation of three-phase UPS systems for high power
applications — the Liebert NXL from Emerson Network
Power.
Available in 250, 300, 400, 500, 625 and 750 kVA
single module models and multi-module systems, the
transformer-based Liebert NXL provides excellent dynamic
performance, with the ability to handle virtually any input
condition while still providing computer grade output
to critical loads.
The leader in large UPS system installations, Emerson
offers complete and unequalled support, including
engineering consultation, the largest and most widespread
factory-trained service organization, and the industry’s
largest and most advanced production and witness test
facility.
Battery Cabinet Power Core Maintenance Bypass Cabinet
Liebert NXL—Stack Up Performance
100% Load
Low & High Line Conditions
40˚C / 104˚F Temperature
50% Clogged Air Filter
Fan Failure
High Altitude1500 Meters
Liebert NXL is
designed to
handle all severe
conditions
simultaneously
and still support
100% load with
no need for
derating.
Liebert NXL UPS
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