Emerson Liebert NXC - Chapter 1 Product Introduction; 1.1 Features

User Manual 10H52188UM60 - Rev. 2 - 09/2012 5
Liebert NX Product Introduction
Chapter 1 Product Introduction
Liebert NXC UPS (UPS for short) is an intelligent online UPS system with sine wave output developed by Emerson Network
Power. The UPS offers reliable and high quality AC power to the precision instrument.
The UPS is suitable for supplying AC power to small scale computer centers, networks, communication systems, automatic
control systems and precision instruments.
This chapter introduces the features, model configurations, appearance and components, operating principle, UPS state and
operation mode, and specifications of the UPS.
1.1 Features
The UPS features include:
 Compatible with two modes: 3-phase and single-phase outputs. The system wiring must be checked and the panel
setting must be conducted manually
 Up to 4 units maybe connected in parallel, in order to form a n+1 redundant parallel system
 High-frequency, double conversion topology, with high input power factor, wide input voltage range, and output
immunity to grid interference, thus suitable for use in areas with unstable mains supply
 High power density
 Full digital control technology based on digital signal processor (DSP) to achieve high system reliability with
self-protection and fault diagnosis functions
 Intelligent battery management to extend the battery life
 Operation and display panel with both LCD and LED indication to help you learn about the system operating state and
operating parameters
 Capable of ECO power supply mode, which helps you save energy to the maximum extent
 Flexible network management with Emerson monitoring software
 Fan fault self-test and automatic recognition functions
 SNMP card option, providing network communication function
 Can be connected to multiple battery strings, in order to increase autonomy when in battery supply mode
1.2 Model Configurations
Three power ratings are available for Liebert NXC UPS: 10kVA, 15kVA and 20kVA.
The model configurations are shown in Table 1-1.
Table 1-1 Model configurations
Type Description
LI6010… (10kVA)
For single UPS system, for 1 + 1 parallel system and above 1 + 1 parallel system, the external battery cabinet
with larger capacity is recommended
LI6015… (15kVA)
LI6020… (20kVA)