Specifications

28
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 kVA single module models as
well as 750 kVA single 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 UPS
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.