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Product comparison · 2 uninterruptible power supplies (upss)

CyberPower UT550GU uninterruptible power supply (UPS) Line-Interactive 0.55 kVA vs Vertiv Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA

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  • 25specifications compared
  • 20differ
  • 5identical
  • 33known for one product only

Key differences

The Vertiv Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA has 0.89 kVA more output power capacity than the CyberPower UT550GU uninterruptible power supply (UPS) Line-Interactive 0.55 kVA (1.44 kVA vs 0.55 kVA). The Vertiv Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA has 1,075 W more output power than the CyberPower UT550GU uninterruptible power supply (UPS) Line-Interactive 0.55 kVA (1350 W vs 275 W). The CyberPower UT550GU uninterruptible power supply (UPS) Line-Interactive 0.55 kVA has 11 V more input operation voltage (min) than the Vertiv Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA (86 V vs 75 V). Waveform: Sine on the CyberPower UT550GU uninterruptible power supply (UPS) Line-Interactive 0.55 kVA, Pure sine on the Vertiv Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA. Input frequency: 50/60 Hz on the CyberPower UT550GU uninterruptible power supply (UPS) Line-Interactive 0.55 kVA, 55/65 Hz on the Vertiv Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA.

  • Output power capacity
    • 0.55 kVA
    • 1.44 kVA
  • Output power
    • 275 W
    • 1350 W
  • Waveform
    • Sine
    • Pure sine
  • Input operation voltage (min)
    • 86 V
    • 75 V
  • Input operation voltage (max)
    • 148 V
    • 146 V
  • Input frequency
    • 50/60 Hz
    • 55/65 Hz
  • Output operation voltage (min)
    • 110 V
    • 100 V
  • Output operation voltage (max)
    • 130 V
    • 125 V

Side by side

Differences highlightedShow differences only
58 specifications
A

CyberPower

UT550GU uninterruptible power supply (UPS) Line-Interactive 0.55 kVA

Model UT550GU

View product
B

Vertiv

Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA

Model PSI5-1500RM1201U

View product
Features9 differ
Output power capacityDiffers0.55 kVA1.44 kVA
Output powerDiffers275 W1350 W
WaveformDiffersSinePure sine
Input operation voltage (min)Differs86 V75 V
Input operation voltage (max)Differs148 V146 V
Input frequencyDiffers50/60 Hz55/65 Hz
Output operation voltage (min)Differs110 V100 V
Output operation voltage (max)Differs130 V125 V
Output frequencyKnown for one60 Hz
Automatic Voltage Regulation (AVR)Known for oneYes
Maximum currentKnown for one16 A
EfficiencyKnown for one93%
Power factorKnown for one0.9
ECO modeKnown for oneYes
Noise levelKnown for one45 dB
Power protection featuresDiffersOver current, Over power, Over voltage, Overcharge, Overload, Short circuit, Under power, Under voltageOver current, Short circuit
Number of input phasesKnown for one1
Number of output phasesKnown for one8
EMI/RFI noise filteringKnown for oneYes
Audible alarm(s)Known for oneYes
Audible alarm modesKnown for oneFault, Low battery alarm, Overload alarm
Ports & interfaces2 differ
AC outlet typesDiffersNEMA 5–15RNEMA 5-15R
AC outlets quantityDiffers8 AC outlet(s)5 AC outlet(s)
USB portKnown for oneYes
USB 2.0 ports quantityKnown for one1
USB port typeKnown for oneUSB Type-A
Batteryidentical
Battery capacityKnown for one9 Ah
Battery voltageKnown for one6 V
Number of battery cellsKnown for one4
Battery recharge timeKnown for one6 h
Design2 differ
Form factorDiffersTowerRackmount
Rack capacityKnown for one1U
Cable lengthDiffers1.2 m2.4 m
Control typeKnown for oneButtons
Display typeKnown for oneLCD
Housing materialKnown for onePlastic
LED indicatorsKnown for oneYes
Operational conditions2 differ
Storage temperature (T-T)Differs-20 - 50 °C-15 - 50 °C
Operating relative humidity (H-H)Differs0 - 90%20 - 90%
Storage relative humidity (H-H)Known for one0 - 90%
Operating altitudeKnown for one0 - 3000 m
Safety regulation & standardsidentical
SafetyKnown for oneUL 1778, c-UL-us Listed
Certificates1 differ
CertificationDiffersNOMFCC Part 15, Class B UL 497 B
Compliance certificatesKnown for oneRoHS
Weight & dimensions4 differ
WidthDiffers84 mm438 mm
DepthDiffers174 mm631 mm
HeightDiffers280 mm44 mm
WeightDiffers4.01 kg45.6 kg
Packaging dataidentical
Package widthKnown for one560 mm
Package depthKnown for one710 mm
Package heightKnown for one140 mm
Package weightKnown for one51.1 kg
Packaging contentidentical
Cables includedKnown for oneInput power cable

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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