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Tall black rack-tower UPS cabinet, LCD display front, 49 by 17 by 34 inches

Vertiv

Vertiv Liebert AS4D0NCXGNNXLKB 20 kVA 18 kW 208 V UPS

SKU CH-A6BP-CD94Y MPN AS4D0NCXGNNXLKB

Delivers 20 kVA and 18 kW of double-conversion backup with 10 minutes at full load or 26 minutes at half load in a rack or tower form factor

  • International Version208V
  • Input Voltage Range200/208/220/230/240 VAC
  • Input Frequency40 Hz to 70 Hz auto-sensing
  • Input Connection3-Wire (L-L-G)
  • VA Rating20 kVA
  • Watts18 kW

Option AS4D0NCXGNNXLKB

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  • 20 kVA capacity supports critical 18 kW loads
  • Online double-conversion topology delivers clean 208 V power
  • Scalable N+1 architecture adds resilience for growing racks
  • Factory-fitted SNMP card enables remote monitoring instantly
  • 10-minute full-load runtime protects equipment during outages

20 kVA 18 kW Scalable UPS

This Vertiv Liebert AS4D0NCXGNNXLKB is a 20 kVA 18 kW online double-conversion UPS that operates at 208 V single-phase input and output. It supports scalable N+1 redundancy within a 20 kVA frame and ships with a factory-installed SNMP Webcard for network management. The unit installs in either rack or tower orientation.

IT facilities needing 208 V single-phase power

This UPS suits data-centre rows, network rooms and critical IT loads that require 208 V single-phase supply with scalable N+1 redundancy and remote monitoring. Sites that need three-phase input, higher kVA ratings or longer battery autonomy at full load should evaluate alternative platforms.

10 minutes full-load battery runtime

At full load the internal VRLA batteries provide 10 minutes of runtime; at half load the runtime extends to 14 minutes. This single figure determines whether the unit meets the hold-up window required by the protected equipment.

Privalumai

  • 20 kVA capacity supports critical 18 kW loads
  • Online double-conversion topology delivers clean 208 V power
  • Scalable N+1 architecture adds resilience for growing racks
  • Factory-fitted SNMP card enables remote monitoring instantly
  • 10-minute full-load runtime protects equipment during outages

Specifikacijos

BrandVertiv
SeriesLiebert
ModelAS4D0NCXGNNXLKB
International Version208V
Input Voltage Range200/208/220/230/240 VAC
Input Frequency40 Hz to 70 Hz auto-sensing
Input Connection3-Wire (L-L-G)
VA Rating20 kVA
Watts18 kW
Output Frequency60Hz default; 50/60Hz user-configurable
Battery TypeValve Regulated Lead Acid (VRLA)
Battery Run TimeFull Load: 5 mins.
Half Load: 14 mins.
TemperatureOperating temperature: 32°F - 104°F (0°C - 40°C)
Humidity0 - 95%, non-condensing
Dimensions49" x 17" x 34"
Weight920 lbs.
Siuntos svoris417.31 kg
Pakuotės dydis1245 × 1245 × 432 mm

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What rack depth and floor capacity are required for the 49" x 17" x 34" 920 lb unit?

The UPS measures 49 inches high, 17 inches wide and 34 inches deep and weighs 920 lbs, so the rack or floor must support that weight and provide at least 34 inches of usable depth.

How do I connect the 3-wire L-L-G input and avoid the common phase-rotation error?

Wire the input as 3-wire line-line-ground at 200/208/220/230/240 VAC; verify phase rotation with a meter before energising because reversed phases will prevent the inverter from starting.

When should the VRLA battery modules be replaced given the 5-minute full-load and 14-minute half-load runtimes?

VRLA modules typically last 3 to 5 years; plan replacement when runtime drops noticeably below the rated 5 minutes at full load or 14 minutes at half load.

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