Vertiv Liebert APS 20kVA Scalable to 20kVA N+1| 208V Single Phase Modular UPS – 10 Min Full-Load Runtime | Online Double Conversion UPS | Rack/Tower | SNMP/Webcard | Internal Step-Down Transformer, 208 and 120VAC Output AS4D0NCXGNNXLKB




Vertiv Liebert APS 20kVA Scalable to 20kVA N+1| 208V Single Phase Modular UPS – 10 Minutes Full-Load Runtime| Online Double Conversion UPS | Rack/Tower | Factory Installed SNMP/Webcard | Internal Step-Down Transformer, 208 and 120VAC Output

The Vertiv Liebert APS 20kVA Scalable to 20kVA N+1 208V Modular UPS (AS4D0NCXGNNXLKB) is an online double conversion UPS with up to 10 minutes full-load runtime designed for room or row-based applications. It offers redundancy and flexibility for the future while ensuring maximum power availability to your critical systems. The APS modules are hot-swappable FlexPower assemblies and battery modules that are quickly and easily installed or replaced without disrupting power. The addition of power capacity or battery modules as needed or pay as you grow design allows for better CAPEX/OPEX budget management. With high energy efficiency of up to 92%, it supports sustainability and reduces the total cost of ownership (TCO). It has intelligent battery management and can operate in a temporary overload state up to 200% load. For remote management and environmental monitoring, a Liebert IntelliSlot Unity Card (IS-UNITY-DP) comes factory installed for FREE Power Insight Software, and enables compatibility with Vertiv environmental monitoring sensors.

More from the Manufacturer


  • Hot-Swappable FlexPower modules allow scalable runtime and capacity upgrades up to 20kVA N+1.
  • User-replaceable modular batteries, power components and controls help reduce maintenance costs.
  • It offers redundancy for power continuity and takes modules offline without power disruptions.
  • With 0.9 Output Power Factor, this UPS offers more usable power to support critical IT loads.
  • Factory installed Intellislot Unity Card and three total intellislot ports for FREE remote management, and support for environmental sensors

Guides & Documents

Status Indicators

LCD Display

Battery Information
Backup/Run Time (Half Load) 26 Minute
Backup/Run Time (Full Load) 10 Minute
Battery Characteristics Valve Regulated Lead Acid (VRLA)
Physical Characteristics
Form Factor Rack/Tower
Height 38″
Width 17″
Depth 34″
Technical Information
Application/Usage Room
Mission Critical Equipment
Plug/Connector Type Hard Wire 3-wire (L-L-G)
Phase Single Phase
Power Description
Input Voltage 230 V AC
230 V AC
Output Voltage 240 V AC
100 V AC
Input Voltage Range 120 V AC – 280 V AC
120 V AC – 280 V AC
Output Frequency 60 Hz
60 Hz
Input Frequency 70 Hz
70 Hz
Network (RJ-45) No
Modem (RJ-11) No
Serial Port Yes
EPO Port Yes
USB (HID Compliant) Port Yes
Additional Information
    • Auto Shutdown Software: Trellis™ Power Insight
    • Extra Power for Future Expansion: 20kVA/18kW N+1
    • VGA: No
    • Hot Swappable: Yes
    • Relative Humidity: 0 – 95%, non-condensing
    • Altitude: 3000 (10000) @ 25°C (77°F)
    • Battery Capacity: 36W @ 15min-rate to 1.67V per cell @ 25°C (77°F)
    • Maximum Charge Current (full load): Power module internal charger: 1.8A / Charger module: 10A
    • Nominal Voltage: 144 VDC
Certifications & Standards
    Compliant Safety Standards:

    • IEC/EN/AS 62040-2 Cat 2
    • CISPR22 Class A
    • FCC Part 15 Class A
    • IEC/EN/AS 62040-1:2008
    • UL 1778 4th Ed
    • CSA 22.2 No. 107.1
Environmentally Friendly Yes
Environmental Certification WEEE
RoHS 2
General Information
Product Type Double Conversion Online UPS
Manufacturer Part Number AS4D0NCXGNNXLKB
Manufacturer Website Address
Manufacturer Vertiv
Product Name APS 20kVA Scalable to 20kVA N+1
Product Line APS
Brand Name Liebert


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