Product comparison · 2 uninterruptible power supplies (upss)

APC Back-UPS 500 vs Vertiv Liebert PSI

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  • 17specifications compared
  • 14differ
  • 3identical
  • 35known for one product only

Key differences

  • Output power capacity
    • Back-UPS 500:0.5 kVA
    • Liebert PSI:3 kVA
  • Output power
    • Back-UPS 500:300 W
    • Liebert PSI:2700 W
  • Input frequency
    • Back-UPS 500:50/60 Hz
    • Liebert PSI:45/65 Hz
  • Surge energy rating
    • Back-UPS 500:320 J
    • Liebert PSI:570 J
  • Noise level
    • Back-UPS 500:40 dB
    • Liebert PSI:45 dB
  • Product colour
    • Back-UPS 500:Beige
    • Liebert PSI:Black
  • Storage temperature (T-T)
    • Back-UPS 500:-15 - 45 °C
    • Liebert PSI:-15 - 40 °C
  • Operating relative humidity (H-H)
    • Back-UPS 500:0 - 95%
    • Liebert PSI:0 - 90%

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Comparison of Back-UPS 500, Liebert PSI
52 specifications
Features5 differ
UPS topologyKnown for oneUnknown — not stated by the sourceLine-Interactive
Output power capacityDiffers0.5 kVA3 kVA
Output powerDiffers300 W2700 W
WaveformKnown for oneUnknown — not stated by the sourceSine
Input operation voltage (min)Known for oneUnknown — not stated by the source83 V
Input operation voltage (max)Known for oneUnknown — not stated by the source159 V
Input frequencyDiffers50/60 Hz45/65 Hz
Surge energy ratingDiffers320 J570 J
Response timeKnown for oneUnknown — not stated by the source6 ms
Noise levelDiffers40 dB45 dB
Surge protectionKnown for oneYesUnknown — not stated by the source
Audible alarm(s)Known for oneYesUnknown — not stated by the source
Ports & interfacesidentical
AC outlet typesKnown for oneUnknown — not stated by the sourceNEMA 5-15R, NEMA L5-20R
Power plugKnown for oneUnknown — not stated by the sourceNEMA L5-30P
AC outlets quantityKnown for oneUnknown — not stated by the source8 AC outlet(s)
USB portKnown for oneUnknown — not stated by the sourceYes
RS-232 portsKnown for oneUnknown — not stated by the source1
Ethernet LAN (RJ-45) portsKnown for oneUnknown — not stated by the source2
Number of output IEC jumpersKnown for one4Unknown — not stated by the source
Batteryidentical
Typical backup time at full loadKnown for oneUnknown — not stated by the source3 min
Typical backup time at half loadKnown for oneUnknown — not stated by the source9 min
Battery technologyKnown for oneSealed Lead Acid (VRLA)Unknown — not stated by the source
Battery recharge timeKnown for one6 hUnknown — not stated by the source
Design1 differ
Form factorKnown for oneUnknown — not stated by the sourceRackmount
Product colourDiffersBeigeBlack
Cable lengthKnown for oneUnknown — not stated by the source3 m
Cooling typeKnown for oneUnknown — not stated by the sourceActive
Operational conditions2 differ
Storage temperature (T-T)Differs-15 - 45 °C-15 - 40 °C
Operating relative humidity (H-H)Differs0 - 95%0 - 90%
Storage relative humidity (H-H)Known for one0 - 95%Unknown — not stated by the source
Non-operating altitudeKnown for one0 - 15000 mUnknown — not stated by the source
Packaging contentidentical
ManualKnown for oneUnknown — not stated by the sourceYes
Safety regulation & standardsidentical
SafetyKnown for oneUnknown — not stated by the sourceUL 1778, c-UL
Certificates1 differ
CertificationDiffersC-tick, CE, EN 50091-1, EN 50091-2, GOST, VDE, RoHS.FCC Part 15, Class A
Weight & dimensions4 differ
WidthDiffers91 mm657 mm
DepthDiffers284 mm440 mm
HeightDiffers165 mm88 mm
WeightDiffers5.73 kg38 kg
Packaging data1 differ
Package widthKnown for oneUnknown — not stated by the source884 mm
Package depthKnown for oneUnknown — not stated by the source560 mm
Package heightKnown for oneUnknown — not stated by the source228 mm
Package weightDiffers6.64 kg42 kg
Logistics dataidentical
Products per palletKnown for one96 pc(s)Unknown — not stated by the source
Other featuresidentical
Battery typeKnown for oneRBC2, RBC2JUnknown — not stated by the source
Input connection typeKnown for oneIEC C13Unknown — not stated by the source
Dimensions (WxDxH)Known for one91 x 284 x 165 mmUnknown — not stated by the source
Nominal output voltageKnown for one230 VUnknown — not stated by the source
Overload protectionKnown for oneYesUnknown — not stated by the source
Package dimensions (WxDxH)Known for one241 x 368 x 178 mmUnknown — not stated by the source

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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