Product comparison · 2 uninterruptible power supplies (upss)

CyberPower ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA vs Vertiv Liebert PSI5-3000RT120 uninterruptible power supply (UPS) Line-Interactive 3 kVA

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  • 35specifications compared
  • 28differ
  • 7identical
  • 33known for one product only

Key differences

  • UPS topology
    • ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:Standby (Offline)
    • Liebert PSI5-3000RT120 uninterruptible power supply (UPS) Line-Interactive 3 kVA:Line-Interactive
  • Output power capacity
    • ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:0.625 kVA
    • Liebert PSI5-3000RT120 uninterruptible power supply (UPS) Line-Interactive 3 kVA:3 kVA
  • Output power
    • ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:360 W
    • Liebert PSI5-3000RT120 uninterruptible power supply (UPS) Line-Interactive 3 kVA:2700 W
  • Waveform
    • ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:Pseudo sine
    • Liebert PSI5-3000RT120 uninterruptible power supply (UPS) Line-Interactive 3 kVA:Pure sine
  • Input operation voltage (min)
    • ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:96 V
    • Liebert PSI5-3000RT120 uninterruptible power supply (UPS) Line-Interactive 3 kVA:75 V
  • Input operation voltage (max)
    • ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:140 V
    • Liebert PSI5-3000RT120 uninterruptible power supply (UPS) Line-Interactive 3 kVA:146 V
  • Input frequency
    • ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:47/63 Hz
    • Liebert PSI5-3000RT120 uninterruptible power supply (UPS) Line-Interactive 3 kVA:55/65 Hz
  • Output operation voltage (min)
    • ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:120 V
    • Liebert PSI5-3000RT120 uninterruptible power supply (UPS) Line-Interactive 3 kVA:100 V

Side by side

Differences highlightedShow differences only (on)
Comparison of ST625U, PSI5-3000RT120
68 specifications
Features11 differ
UPS topologyDiffersStandby (Offline)Line-Interactive
Output power capacityDiffers0.625 kVA3 kVA
Output powerDiffers360 W2700 W
WaveformDiffersPseudo sinePure sine
Input operation voltage (min)Differs96 V75 V
Input operation voltage (max)Differs140 V146 V
Input frequencyDiffers47/63 Hz55/65 Hz
Output operation voltage (min)Differs120 V100 V
Output operation voltage (max)Differs120 V125 V
Output frequencyDiffers50/60 Hz57/63 Hz
Automatic Voltage Regulation (AVR)Known for oneUnknown — not stated by the sourceYes
Surge energy ratingDiffers890 J1372 J
Response timeKnown for oneUnknown — not stated by the source6 ms
Number of input phasesKnown for oneUnknown — not stated by the source1
Number of output phasesKnown for oneUnknown — not stated by the source1
EfficiencyKnown for oneUnknown — not stated by the source96%
Emergency Power Off (EPO)Known for oneUnknown — not stated by the sourceYes
Noise levelKnown for oneUnknown — not stated by the source55 dB
Transfer time (Line Mode to Battery Mode)Known for one8 msUnknown — not stated by the source
EMI/RFI noise filteringKnown for oneYesUnknown — not stated by the source
Power protection featuresKnown for oneOverloadUnknown — not stated by the source
Audible alarm(s)Known for oneYesUnknown — not stated by the source
Audible alarm modesKnown for oneAlarm when on battery, Fault, Low battery alarm, Overload alarmUnknown — not stated by the source
Socket circuit breakerKnown for oneYesUnknown — not stated by the source
Ports & interfaces5 differ
AC outlet typesDiffersNEMA 5-15RNEMA 5–15R, NEMA L5-30R
Power plugDiffersNEMA 5-15PNEMA 5-30P
AC outlets quantityDiffers8 AC outlet(s)7 AC outlet(s)
USB 2.0 ports quantityDiffers21
USB port typeDiffersUSB Type-AUSB Type-B
Ethernet LAN (RJ-45) portsKnown for oneUnknown — not stated by the source2
Cabling technologyKnown for oneUnknown — not stated by the source10/100Base-T
Emergency Power Off (EPO) connectorKnown for oneUnknown — not stated by the sourceYes
Battery3 differ
Typical backup time at full loadDiffers2 min3 min
Typical backup time at half loadDiffers9 min12 min
Battery recharge timeDiffers8 h4 h
Battery capacityKnown for one5.5 AhUnknown — not stated by the source
Battery voltageKnown for one12 VUnknown — not stated by the source
Number of batteries supportedKnown for one1Unknown — not stated by the source
Design2 differ
Form factorDiffersCompactRackmount/Tower
Rack capacityKnown for oneUnknown — not stated by the source2U
Cable lengthDiffers1.5 m3 m
Display typeKnown for oneUnknown — not stated by the sourceLCD
LED indicatorsKnown for onePowerUnknown — not stated by the source
Operational conditions2 differ
Storage temperature (T-T)Differs-15 - 45 °C-15 - 50 °C
Operating relative humidity (H-H)Differs0 - 95%20 - 90%
Storage relative humidity (H-H)Known for oneUnknown — not stated by the source20 - 90%
Non-operating altitudeKnown for one0 - 15000 mUnknown — not stated by the source
Packaging contentidentical
Rack mount kitKnown for oneUnknown — not stated by the sourceYes
Cables includedKnown for oneUSB cableUnknown — not stated by the source
Safety regulation & standards1 differ
SafetyDiffersUL1778, cUL, FCC DOC B, CECUL 1778, c-UL-us
Certificatesidentical
CertificationKnown for oneUnknown — not stated by the sourceFCC, UL 497 B, ISTA
Compliance certificatesKnown for oneRoHSUnknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers248 mm438 mm
DepthDiffers81 mm630 mm
HeightDiffers147 mm88 mm
WeightDiffers2.27 kg32.1 kg
Packaging dataidentical
Package widthKnown for oneUnknown — not stated by the source258 mm
Package depthKnown for oneUnknown — not stated by the source782 mm
Package heightKnown for oneUnknown — not stated by the source550 mm
Package weightKnown for oneUnknown — not stated by the source37.1 kg
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STARUnknown — 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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