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Tall beige rack tower UPS with front LCD panel

Vertiv

Vertiv Liebert AS4A0NCUGNNXLKB 5kVA 208V UPS 5min runtime

SKU CH-CGV6-Q64NQ MPN AS4A0NCUGNNXLKB

5 kVA online double-conversion UPS with 5-minute full-load runtime, scalable to 20 kVA N+1, 208 V single-phase input, hot-swappable VRLA batteries, LCD status display, factory-fitted SNMP card.

  • Voltage version208 V
  • AC input voltage200/208/220/230/240 VAC
  • Input line frequency40 Hz to 70 Hz auto-sensing
  • Power input3-Wire (L-L-G)
  • Volt-ampere rating5 kVA
  • Power rating4.5 kW

Model AS4A0NCUGNNXLKB

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  • 5 kVA scalable to 20 kVA N+1 for mission-critical growth
  • Online double conversion delivers clean 4.5 kW output
  • 5 minutes full-load runtime, 14 minutes at half load
  • Hot-swappable VRLA batteries enable maintenance without downtime
  • LCD status display plus factory-fitted SNMP webcard for remote monitoring

Scalable 5 kVA UPS for mission-critical loads

This Vertiv Liebert UPS delivers 5 kVA and 4.5 kW of online double-conversion power in a rack or tower form factor. It ships new with a factory-installed SNMP web card for network management. The system scales to 20 kVA in an N+1 redundant configuration, protecting mission-critical equipment. Hot-swappable modules allow maintenance without downtime.

Input range and hard-wired installation limits

The unit accepts 200 to 240 VAC across a 40 to 70 Hz auto-sensing window, locking to 60 Hz output by default with 50 Hz user-configurable. It requires a 3-wire L-L-G hard-wired connection, so no plug-and-play cordset is provided. Operation is rated from 32 to 104 Fahrenheit with humidity up to 95 percent non-condensing. These constraints define the electrical and environmental envelope.

Runtime headroom at full and half load

Valve-regulated lead-acid batteries provide 5 minutes at the full 4.5 kW load and 14 minutes at half load. This window suits orderly shutdown or generator start sequences rather than extended ride-through. The 635-pound chassis measures 49 by 17 by 34 inches, demanding substantial floor or rack space. Buyers needing longer autonomy or lighter weight should evaluate additional battery cabinets or alternative topologies.

How it compares

Measured against everything we stock in Uninterruptible Power Supplies (UPS), at today’s prices. Recalculated every night.

Price $14,873.99
Pricier than about 93% of the 1,153 comparable items (median $948.99).

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Specifications

Product
Brand nameVertiv
Product lineLiebert
Model nameAS4A0NCUGNNXLKB
Power
Voltage version208 V
AC input voltage200/208/220/230/240 VAC
Input line frequency40 Hz to 70 Hz auto-sensing
Power input3-Wire (L-L-G)
Volt-ampere rating5 kVA
Power rating4.5 kW
AC output frequency60 Hz default; 50/60 Hz user-configurable
Battery typeValve Regulated Lead Acid (VRLA)
Runtime on batteryFull Load: 5 mins.
Half Load: 14 mins.
Size & build
Product dimensions49 in × 17 in × 34 in
Product weight635 lb (288 kg)
Shipping weight288.03 kg
Package size1245 × 1245 × 432 mm
Environment & compliance
Temperature rangeOperating temperature: 32 °F - 104 °F (0 °C - 40 °C)
Humidity range0–95%, non-condensing

Other versions of this model

5 more in the same range

Questions about this item

Should I choose the 5 kVA or the 20 kVA scalable version for my load?

This unit ships as a 5 kVA, 4.5 kW module; you can add up to three more hot-swappable modules later to reach 20 kVA N+1 redundancy.

What does the 5-minute full-load runtime mean for my 4.5 kW equipment?

At the full 4.5 kW draw the internal VRLA batteries will keep the load running for 5 minutes; at half load the same batteries last 14 minutes.

How does the 208 V single-phase 3-wire input affect installation?

The UPS requires a hard-wired 3-wire L-L-G feed at 200–240 VAC and auto-senses 40–70 Hz, so no separate neutral conductor is needed.

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