Vertiv Liebert APS 20kVA Scalable to 20kVA N+1 | 208V Single Phase Modular UPS
The Vertiv Liebert APS 20kVA Modular UPS (AS4D0NCXGNNXLKB) is a high-performance, scalable power protection system designed for mission-critical environments. With 208V single-phase input and online double-conversion technology, it ensures uninterrupted power delivery for vital systems.
This UPS supports N+1 internal redundancy, a 10-minute full-load runtime, and features hot-swappable FlexPower and battery modules for simplified maintenance and future scalability. Its rack/tower convertible design, factory-installed IntelliSlot Unity card, and SNMP/Webcard integration make it ideal for IT rooms, data centers, and enterprise applications.
Supporting up to 200% temporary overload, 92% energy efficiency, and intelligent battery management, it minimizes TCO while enhancing operational reliability. Includes step-down transformer for both 208V and 120VAC output.
| Category | Details |
|---|---|
| Manufacturer | Vertiv |
| Brand Name | Liebert |
| Product Line | APS |
| Part Number | AS4D0NCXGNNXLKB |
| UPS Topology | Online Double Conversion |
| Power Capacity | 20 kVA / 18 kW N+1 |
| Input Voltage Range | 120–280V AC |
| Output Voltage | 100–240V AC |
| Input/Output Phase | Single Phase |
| Runtime (Full Load) | 10 minutes |
| Runtime (Half Load) | 26 minutes |
| Form Factor | Rack/Tower Convertible |
| Battery Type | Valve Regulated Lead Acid (VRLA) |
| Hot-Swappable Modules | Yes (FlexPower & Battery Modules) |
| Plug Type | Hard Wire 3-wire (L-L-G) |
| Monitoring | Factory-installed SNMP/Webcard (IS-UNITY-DP), LCD Display |
| Communication Ports | USB (HID), Serial, EPO |
| Software Included | Trellis™ Power Insight |
| Humidity Tolerance | 0–95% (non-condensing) |
| Altitude Support | Up to 3,000m @ 25°C |
| Certifications | UL 1778 4th Ed, CSA 22.2, FCC Part 15 Class A, IEC/EN/AS 62040 |
| Warranty | 2-Year Limited Warranty |
| Shipping Weight | 1 lb (as listed) |