Product comparison · 2 uninterruptible power supplies (upss)

CyberPower BU1100E uninterruptible power supply (UPS) Line-Interactive 1.1 kVA vs Vertiv Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA

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  • 27specifications compared
  • 22differ
  • 5identical
  • 26known for one product only

Key differences

  • Output power capacity
    • BU1100E uninterruptible power supply (UPS) Line-Interactive 1.1 kVA:1.1 kVA
    • Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA:1.44 kVA
  • Output power
    • BU1100E uninterruptible power supply (UPS) Line-Interactive 1.1 kVA:660 W
    • Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA:1350 W
  • Waveform
    • BU1100E uninterruptible power supply (UPS) Line-Interactive 1.1 kVA:Sine
    • Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA:Pure sine
  • Input operation voltage (min)
    • BU1100E uninterruptible power supply (UPS) Line-Interactive 1.1 kVA:165 V
    • Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA:75 V
  • Input operation voltage (max)
    • BU1100E uninterruptible power supply (UPS) Line-Interactive 1.1 kVA:280 V
    • Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA:146 V
  • Input frequency
    • BU1100E uninterruptible power supply (UPS) Line-Interactive 1.1 kVA:50/60 Hz
    • Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA:55/65 Hz
  • Output operation voltage (max)
    • BU1100E uninterruptible power supply (UPS) Line-Interactive 1.1 kVA:220 V
    • Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA:125 V
  • Output frequency
    • BU1100E uninterruptible power supply (UPS) Line-Interactive 1.1 kVA:50/60 Hz
    • Liebert PSI5-1500RM1201U uninterruptible power supply (UPS) Line-Interactive 1.44 kVA:60 Hz

Side by side

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Comparison of BU1100E, PSI5-1500RM1201U
53 specifications
Features9 differ
UPS topologyLine-InteractiveLine-Interactive
Output power capacityDiffers1.1 kVA1.44 kVA
Output powerDiffers660 W1350 W
WaveformDiffersSinePure sine
Input operation voltage (min)Differs165 V75 V
Input operation voltage (max)Differs280 V146 V
Input frequencyDiffers50/60 Hz55/65 Hz
Output operation voltage (min)Known for oneUnknown — not stated by the source100 V
Output operation voltage (max)Differs220 V125 V
Output frequencyDiffers50/60 Hz60 Hz
Automatic Voltage Regulation (AVR)YesYes
Maximum currentDiffers5 A16 A
EfficiencyKnown for oneUnknown — not stated by the source93%
Power factorKnown for oneUnknown — not stated by the source0.9
ECO modeKnown for oneUnknown — not stated by the sourceYes
Noise levelKnown for oneUnknown — not stated by the source45 dB
Surge protectionKnown for oneUnknown — not stated by the sourceYes
Power protection featuresKnown for oneUnknown — not stated by the sourceOver current, Short circuit
Heat dissipationKnown for one45 BTU/hUnknown — not stated by the source
Audible alarm(s)Known for oneYesUnknown — not stated by the source
Audible alarm modesKnown for oneFault, Low battery alarm, Overload alarmUnknown — not stated by the source
Ports & interfaces1 differ
AC outlet typesKnown for oneUnknown — not stated by the sourceNEMA 5-15R
AC outlets quantityDiffers4 AC outlet(s)5 AC outlet(s)
Batteryidentical
Battery technologySealed Lead Acid (VRLA)Sealed Lead Acid (VRLA)
Battery capacityKnown for oneUnknown — not stated by the source9 Ah
Battery voltageKnown for oneUnknown — not stated by the source6 V
Number of battery cellsKnown for oneUnknown — not stated by the source4
Battery recharge timeKnown for one8 hUnknown — not stated by the source
Design2 differ
Form factorDiffersDesktopRackmount
Product colourBlackBlack
Rack capacityKnown for oneUnknown — not stated by the source1U
Cable lengthDiffers1.37 m2.4 m
Control typeKnown for oneUnknown — not stated by the sourceButtons
Display typeKnown for oneUnknown — not stated by the sourceLCD
Housing materialKnown for onePlasticUnknown — not stated by the source
LED indicatorsKnown for oneYesUnknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)0 - 40 °C0 - 40 °C
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%Unknown — not stated by the source
Operating altitudeKnown for one0 - 3000 mUnknown — not stated by the source
Non-operating altitudeKnown for one0 - 3000 mUnknown — not stated by the source
Safety regulation & standardsidentical
SafetyKnown for oneUnknown — not stated by the sourceUL 1778, c-UL-us Listed
Certificatesidentical
CertificationKnown for oneUnknown — not stated by the sourceFCC Part 15, Class B UL 497 B
Compliance certificatesKnown for oneCE, RoHSUnknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers190 mm438 mm
DepthDiffers290 mm631 mm
HeightDiffers110.5 mm44 mm
WeightDiffers7.6 kg45.6 kg
Packaging data4 differ
Package widthDiffers163 mm560 mm
Package depthDiffers340 mm710 mm
Package heightDiffers267 mm140 mm
Package weightDiffers7.68 kg51.1 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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