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Product comparison · 2 uninterruptible power supplies (upss)

Vertiv Liebert PST5-660MT120 uninterruptible power supply (UPS) Standby (Offline) 0.66 kVA vs Vertiv Liebert PST5-850MT120 uninterruptible power supply (UPS) Standby (Offline) 0.85 kVA

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  • 43specifications compared
  • 7differ
  • 36identical
  • 0known for one product only

Key differences

  • Output power capacity
    • 0.66 kVA
    • 0.85 kVA
  • Output power
    • 400 W
    • 500 W
  • Battery capacity
    • 6 Ah
    • 7 Ah
  • Typical backup time at full load
    • 2 min
    • 1.5 min
  • Typical backup time at half load
    • 7 min
    • 6 min
  • Weight
    • 9.4 kg
    • 9.7 kg
  • Package weight
    • 10.6 kg
    • 11 kg

Side by side

Differences highlightedShow differences only
43 specifications
A

Vertiv

Liebert PST5-660MT120 uninterruptible power supply (UPS) Standby (Offline) 0.66 kVA

Model PST5-660MT120

View product
B

Vertiv

Liebert PST5-850MT120 uninterruptible power supply (UPS) Standby (Offline) 0.85 kVA

Model PST5-850MT120

View product
Features2 differ
UPS topologyStandby (Offline)Standby (Offline)
Output power capacityDiffers0.66 kVA0.85 kVA
Output powerDiffers400 W500 W
WaveformPulse width modulation (PWM)Pulse width modulation (PWM)
Input operation voltage (min)90 V90 V
Input operation voltage (max)145 V145 V
Input frequency60 Hz60 Hz
Output operation voltage (min)96 V96 V
Output operation voltage (max)145 V145 V
Output frequency60 Hz60 Hz
Surge energy rating316 J316 J
Efficiency95%95%
Noise level40 dB40 dB
Power protection featuresOver current, Overload, Short circuitOver current, Overload, Short circuit
Ports & interfacesidentical
AC outlet typesNEMA 5-15RNEMA 5-15R
Power plugNEMA 5-15PNEMA 5-15P
AC outlets quantity8 AC outlet(s)8 AC outlet(s)
USB portYesYes
USB port typeUSB Type-A/USB Type-BUSB Type-A/USB Type-B
Battery3 differ
Battery technologySealed Lead Acid (VRLA)Sealed Lead Acid (VRLA)
Battery capacityDiffers6 Ah7 Ah
Battery voltage12 V12 V
Number of battery cells11
Typical backup time at full loadDiffers2 min1.5 min
Typical backup time at half loadDiffers7 min6 min
Designidentical
Form factorCompactCompact
Product colourBlackBlack
Control typeButtonsButtons
Display typeLCDLCD
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)-15 - 45 °C-15 - 45 °C
Operating relative humidity (H-H)0 - 95%0 - 95%
Operating altitude0 - 3000 m0 - 3000 m
Safety regulation & standardsidentical
SafetycTUVus (UL 1778 5th Edition) CSA 22.2 no. 107.3:2014cTUVus (UL 1778 5th Edition) CSA 22.2 no. 107.3:2014
Certificatesidentical
CertificationRFI / EMI FCC Part 15, Class B EN61000-4-5; Line to Neutral: Level 2; Line to Earth: Level 3RFI / EMI FCC Part 15, Class B EN61000-4-5; Line to Neutral: Level 2; Line to Earth: Level 3
Weight & dimensions1 differ
Width305 mm305 mm
Depth158.5 mm158.5 mm
Height97 mm97 mm
WeightDiffers9.4 kg9.7 kg
Packaging data1 differ
Package width381 mm381 mm
Package depth266 mm266 mm
Package height203 mm203 mm
Package weightDiffers10.6 kg11 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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