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Product comparison · 2 uninterruptible power supplies (upss)

Vertiv Liebert PSI5-1100RT120 uninterruptible power supply (UPS) Line-Interactive 1.1 kVA vs Vertiv Liebert PSI5-1500RT120 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA

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  • 53specifications compared
  • 9differ
  • 44identical
  • 2known for one product only

Key differences

  • Output power capacity
    • 1.1 kVA
    • 1.5 kVA
  • Output power
    • 990 W
    • 1350 W
  • Noise level
    • 45 dB
    • 55 dB
  • Typical backup time at full load
    • 2 min
    • 4 min
  • Typical backup time at half load
    • 10 min
    • 12 min
  • Depth
    • 410 mm
    • 510 mm
  • Weight
    • 13.4 kg
    • 19.3 kg
  • Package depth
    • 582 mm
    • 672 mm

Side by side

Differences highlightedShow differences only
55 specifications
A

Vertiv

Liebert PSI5-1100RT120 uninterruptible power supply (UPS) Line-Interactive 1.1 kVA

Model PSI5-1100RT120

View product
B

Vertiv

Liebert PSI5-1500RT120 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA

Model PSI5-1500RT120

View product
Features3 differ
UPS topologyLine-InteractiveLine-Interactive
Output power capacityDiffers1.1 kVA1.5 kVA
Output powerDiffers990 W1350 W
WaveformPure sinePure sine
Input operation voltage (min)75 V75 V
Input operation voltage (max)146 V146 V
Input frequency55/65 Hz55/65 Hz
Output operation voltage (min)100 V100 V
Output operation voltage (max)125 V125 V
Output frequency57/63 Hz57/63 Hz
Automatic Voltage Regulation (AVR)YesYes
Surge energy rating1372 J1372 J
Response time6 ms6 ms
Number of input phases11
Number of output phases11
Efficiency96%96%
ECO modeKnown for oneYes
Noise levelDiffers45 dB55 dB
Surge protectionYesYes
Emergency Power Off (EPO)Known for oneYes
Ports & interfacesidentical
AC outlet typesNEMA 5-15RNEMA 5-15R
Power plugNEMA 5-15NEMA 5-15
AC outlets quantity6 AC outlet(s)6 AC outlet(s)
USB portYesYes
USB 2.0 ports quantity11
USB port typeUSB Type-BUSB Type-B
Ethernet LAN (RJ-45) ports22
Cabling technology10/100Base-T10/100Base-T
Emergency Power Off (EPO) connectorYesYes
Battery2 differ
Battery technologySealed Lead Acid (VRLA)Sealed Lead Acid (VRLA)
Typical backup time at full loadDiffers2 min4 min
Typical backup time at half loadDiffers10 min12 min
Battery recharge time4 h4 h
Designidentical
Form factorRackmount/TowerRackmount/Tower
Product colourBlackBlack
Rack capacity2U2U
Cable length3 m3 m
Display typeLCDLCD
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)-15 - 50 °C-15 - 50 °C
Operating relative humidity (H-H)20 - 90%20 - 90%
Storage relative humidity (H-H)20 - 90%20 - 90%
Operating altitude0 - 3000 m0 - 3000 m
Packaging contentidentical
Rack mount kitYesYes
ManualYesYes
Safety regulation & standardsidentical
SafetyUL 1778, c-UL-usUL 1778, c-UL-us
Certificatesidentical
CertificationFCC, UL 497 B, ISTAFCC, UL 497 B, ISTA
Weight & dimensions2 differ
Width438 mm438 mm
DepthDiffers410 mm510 mm
Height88 mm88 mm
WeightDiffers13.4 kg19.3 kg
Packaging data2 differ
Package width258 mm258 mm
Package depthDiffers582 mm672 mm
Package height550 mm550 mm
Package weightDiffers17.2 kg23.5 kg

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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