Vertiv ITA2-40KRT208V31UPN 20kVA 3-Phase Online Double-Conversion UPS Bundle

Overview

The Vertiv Liebert ITA2-40KRT208V31UPN is a 20kVA/20kW three-phase online double-conversion UPS bundle configured in a 2+0 parallel architecture, designed to protect servers, networking infrastructure, and other sensitive critical loads on 208/120VAC (or 220/127VAC) three-phase, 4-wire circuits. This compact, rack-tower convertible unit continuously conditions and regulates output voltage — meaning connected equipment never sees raw utility power. If power quality, uptime, or infrastructure density is your constraint, this UPS earns its place in the rack. Browse the full Vertiv power protection line for complementary equipment within the same ecosystem.

Key Features

• Online Double-Conversion Technology: Unlike standby or line-interactive designs, true online double-conversion means output power is always synthesized from the inverter — utility anomalies, brownouts, and sags are invisible to your load. Zero transfer time to battery. This is the correct architecture for any environment where even a 4ms gap causes a server reboot or PLC fault.
• 20kVA / 20kW at Unity Power Factor (1.0): A 1.0 power factor means the full 20kW of real power is available to the load — no derating. Many three-phase UPS units at this class are rated 0.8 or 0.9 PF, which means you're paying for 20kVA but only delivering 16–18kW. Here, the nameplate is the actual delivery. This matters when you're sizing for dense compute racks or high-draw networking gear.
• 2+0 Parallel Architecture (Up to 40kVA Scalable): The 2+0 configuration means two units run in parallel for capacity — combined output reaches 40kVA at 208V with no single point of failure between them at the system level. If your load grows, you're not ripping out infrastructure; you're adding units. This is the right design for data center pods or telecom rooms that expect phased expansion.
• High Efficiency — 99% in ECO Mode, >93% in Double-Conversion: At 99% efficiency in ECO mode, power loss across the UPS is minimal — a real factor at 20kW continuous loads where even 2% waste is 400W of heat that your cooling system has to handle. In full double-conversion mode, >93% is competitive for the class and keeps operating costs predictable.
• VRLA Battery Chemistry with Hot-Swap Capability: The four pairs of valve-regulated lead-acid (VRLA) batteries are user-replaceable without powering down the load. Planned battery replacements — typically every 3–5 years depending on environment — can happen during business hours without scheduling a maintenance window. This alone justifies the design in 24/7 environments.
• ENERGY STAR 2.0 Certified: ENERGY STAR 2.0 qualification means this unit meets a verified efficiency benchmark — useful for data center PUE reporting, green building certifications, or procurement mandates that require it. It's a documented, third-party-verified claim, not a marketing label.
• SNMP / Network Management Card Included: The Unity Card provides SNMP-based network management out of the box. You can integrate this UPS directly into your NMS, trigger alerts on battery health or load percentage, and enable remote graceful shutdown of connected servers — without additional licensing or add-on hardware.
• Rack-Tower Convertible Form Factor: Deploy it in a standard rack enclosure or as a tower depending on your floor plan. If your environment transitions from open floor to rack-dense cabinets, the hardware supports both orientations. Check your UPS category for compatible rack PDUs and enclosures.
• Scalable Battery Runtime: Runtime is scalable via external battery cabinets — the base four-pair VRLA bank sets the floor, but if your runtime requirement at 20kW is longer than the base configuration supports, external packs extend it without changing the UPS chassis. Size runtime to your generator spin-up time, not just your battery budget.
• Optimized Maintenance Bypass Option: An optional external maintenance bypass cabinet allows service technicians to safely isolate and service the UPS while keeping the load energized. For environments without a redundant feed, this is the difference between planned and unplanned downtime.

Integration & Compatibility

The ITA2-40KRT208V31UPN operates on 208/120VAC three-phase 4-wire input, making it directly compatible with standard North American three-phase distribution found in most commercial data centers, telecom rooms, and industrial installations. SNMP management via the included Unity Card integrates with major network management platforms. The 2+0 parallel architecture is native to the Liebert ITA2 family — for capacity or redundancy scaling, additional ITA2 units pair with this configuration. For full infrastructure power planning, explore our power protection category alongside managed network switches and rack accessories that complete the deployment stack.

Frequently Asked Questions

Q: What is the actual real-power delivery of the ITA2-40KRT208V31UPN, and does the unity power factor matter for my load sizing?

A: Yes, it matters significantly. The ITA2-40KRT208V31UPN carries a 1.0 power factor rating, which means the full 20kW of real power is available to your load — no derating. A 0.8 PF unit at 20kVA would deliver only 16kW. If you're sizing for high-density compute or networking loads, this distinction directly affects how many racks you can support without adding a second UPS.

Q: What does the 2+0 parallel configuration mean, and how does it scale?

A: The 2+0 parallel configuration means two ITA2 UPS units operate in parallel to share load capacity, delivering a combined 40kVA at 208V. This is a capacity-scaling configuration, not a redundancy (N+1) configuration. If you need N+1 fault tolerance, you would configure additional units accordingly. The design supports phased expansion as load grows.

Q: Are the batteries in the ITA2-40KRT208V31UPN hot-swappable without shutting down the load?

A: Yes. The four pairs of VRLA batteries are designed for hot-swap replacement by the user without powering down connected equipment. This allows battery maintenance or replacement during business hours without scheduling a downtime window — a critical feature in 24/7 server rooms and critical infrastructure environments.

Q: What network management capabilities does this UPS include out of the box?

A: The ITA2-40KRT208V31UPN ships with a Unity Card that provides SNMP-based network management. This enables integration with standard network management systems (NMS), real-time monitoring of load and battery status, and remote graceful server shutdown capability — no additional licensing or optional cards required.

Q: What is the warranty on the ITA2-40KRT208V31UPN?

A: This unit carries a 2-year manufacturer warranty.

Q: What efficiency rating does the ITA2-40KRT208V31UPN achieve, and does it qualify for ENERGY STAR?

A: The unit achieves greater than 93% efficiency in online double-conversion mode and up to 99% efficiency in ECO mode. It is ENERGY STAR 2.0 certified, making it eligible for data center efficiency reporting and procurement programs that require verified efficiency benchmarks.

Ted Perry

The ITA2-40KRT208V31UPN is one of those UPS bundles where the spec that matters most is one buyers often overlook: the 1.0 unity power factor. At 20kVA, that full-rated 20kW is real and available — not derated to 16kW like a 0.8 PF competitor would deliver. When I'm sizing power infrastructure for a high-density switching room or a dense compute environment, that 4kW gap is frequently the difference between fitting the load on one unit or needing two.

Technical Highlights:

• Online Double-Conversion Architecture: Zero transfer time to battery — load never sees utility. True double-conversion is the only design that completely isolates sensitive equipment from grid events including sags, surges, harmonics, and frequency variation. The right call for PLC-driven equipment, storage arrays, or anything that hard-faults on a 4ms blip.
• 99% ECO Mode Efficiency: At a sustained 20kW draw, the difference between 93% and 99% efficiency is approximately 1.2kW of continuous heat load your HVAC no longer has to handle. Over a year of 24/7 operation, that compounds to real energy cost savings — and in a tightly cooled server room, heat is as much a cost driver as electricity.
• SNMP Unity Card Included: Network management is built in, not an option. SNMP integration means you can fold this UPS into your existing NMS without a separate license or add-on. Battery health, load percentage, and runtime estimates are visible at the infrastructure monitoring layer alongside your switches and servers.

Deployment Considerations:

• The 2+0 parallel architecture delivers capacity scaling, not fault tolerance. If your requirement is N+1 redundancy — where one unit failure leaves the load fully protected — size and configure accordingly; 2+0 alone does not provide that guarantee.
• The maintenance bypass option is listed as optimized but optional. In any environment without a redundant utility feed or generator, budget for the external bypass cabinet at installation time rather than retrofitting it later during a service event.

This unit is a strong fit for commercial data center pods, telecom equipment rooms, and enterprise network cores running 208V three-phase distribution where load growth is anticipated and planned battery maintenance windows are not acceptable.