Chapter 1 Product Introduction 1
Liebert ITA 16kVA/20kVA User Manual
Chapter 1 Product Introduction
Liebert ITA 16kVA and 20kVA UPS (UPS for short) is an intelligent online UPS system with sine wave output
developed by Emerson Network Power Co., Ltd. The UPS provides reliable and high quality AC power to your
sophisticated equipment. The UPS adopts modular design, and rack/tower installation can be used depending on
your requirements. It is applicable to supplying AC power to small scale computer center, network, communication
system, automatic control system and precision instrument.
This chapter gives a brief description of the UPS, including the UPS features, model configuration, appearance,
components, operating principle, state, operation mode and specifications.
1.1 Features
Liebert ITA 16kVA UPS is compatible with Liebert ITA 20kVA UPS. The UPS features include:
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Compatible with two modes: 3-phase mains output and single-phase mains output. You should check the
system wiring and conduct the panel setting manually
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Capable of parallel connection to achieve up to 3 + 1 parallel redundant power supply
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High-frequency double conversion topology structure, with high input power factor, wide input voltage range, and
output immune to grid interference, thus adaptable to areas with unstable mains supply
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High power density
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Full digital control technology based on digital signal processor (DSP) to achieve high system reliability with
self-protection and fault diagnosis functions
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Intelligent battery management to extend the battery module life
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Operation and display panel with both LCD and LED indication to help you learn about the system operation
status and operating parameters
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3U thickness. Tower installation and rack installation are optional to meet different installation requirements
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Capable of ECO mode, which helps you save energy to the maximum extent
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Flexible network management with Emerson monitoring software
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Fan fault self-inspection and automatic recognition function
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SNMP card optional, providing network communication function
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Capable of connecting multiple battery strings, extending the power supply time of Battery mode
1.2 Model Configuration
Two models are available for Liebert ITA 16kVA and 20kVA UPS: UHA3R-0160L, UHA3R-0200L. The description of
model configuration is shown in Table 1-1.
Table 1-1 Model configuration
Model Description
UHA3R-0160L
For single and parallel 1 + 1 system, four battery modules are available; for 1 + 1 parallel system or more,
battery connection is required
UHA3R-0200L
For single and parallel 1 + 1 system, four battery modules are available; for 1 + 1 parallel system or more,
battery connection is required
