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Product comparison · 2 uninterruptible power supplies (upss)

Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA vs Vertiv Liebert GXTMT+ 20 kVA

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  • 26specifications compared
  • 20differ
  • 6identical
  • 34known for one product only

Key differences

The Vertiv Liebert GXTMT+ 20 kVA has 18 kVA more output power capacity than the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA (20 kVA vs 2 kVA). The Vertiv Liebert GXTMT+ 20 kVA has 16,000 W more output power than the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA (18000 W vs 2000 W). The Vertiv Liebert GXTMT+ 20 kVA has 215 V more input operation voltage (min) than the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA (305 V vs 90 V). Waveform: Pure sine on the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA, Sine/Pure sine on the Vertiv Liebert GXTMT+ 20 kVA. Input frequency: 50/60 Hz on the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA, 46/54 Hz on the Vertiv Liebert GXTMT+ 20 kVA.

  • Output power capacity
    • 2 kVA
    • 20 kVA
  • Output power
    • 2000 W
    • 18000 W
  • Waveform
    • Pure sine
    • Sine/Pure sine
  • Input operation voltage (min)
    • 90 V
    • 305 V
  • Input operation voltage (max)
    • 300 V
    • 478 V
  • Input frequency
    • 50/60 Hz
    • 46/54 Hz
  • Output operation voltage (max)
    • 230 V
    • 240 V
  • Input power factor
    • 0.9
    • 0.99

Side by side

Differences highlightedShow differences only
60 specifications
A

Dahua Technology

DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA

Model DH-PFM3355-2000L

View product
B

Vertiv

Liebert GXTMT+ 20 kVAView product
Features10 differ
UPS topologyDouble-conversion (Online)Double-conversion (Online)
Output power capacityDiffers2 kVA20 kVA
Output powerDiffers2000 W18000 W
WaveformDiffersPure sineSine/Pure sine
Input operation voltage (min)Differs90 V305 V
Input operation voltage (max)Differs300 V478 V
Input frequencyDiffers50/60 Hz46/54 Hz
Output operation voltage (max)Differs230 V240 V
Output frequencyKnown for one50 Hz
Maximum currentKnown for one12 A
Response timeKnown for one4 ms
Input power factorDiffers0.90.99
Output power factorKnown for one0.9
Power protection featuresDiffersOverload, Overcharge, OverdischargeOverload
Audible alarm(s)YesYes
Audible alarm modesDiffersAlarm when on battery, Overload alarm, Low battery alarm, FaultFault, Low battery alarm
Output operation voltage (min)Known for one208 V
Number of input phasesKnown for one3
Number of output phasesKnown for one1
EfficiencyKnown for one92%
Efficiency (ECO mode)Known for one97%
Crest factorKnown for one3:1
Emergency Power Off (EPO)Known for oneYes
Noise levelKnown for one60 dB
Surge protectionKnown for oneYes
Ports & interfacesidentical
AC outlets quantityKnown for one3 AC outlet(s)
USB 2.0 ports quantityKnown for one1
USB port typeKnown for oneUSB Type-B
RS-232 ports11
Ethernet LAN (RJ-45) portsKnown for one1
USB portKnown for oneYes
Serial interfaceKnown for oneYes
Serial interface typeKnown for oneRS-232
Batteryidentical
Battery technologyKnown for oneLead-Acid
Battery voltageKnown for one72 V
Charging currentKnown for one12 A
Design3 differ
Form factorDiffersRackmountTower
Product colourDiffersBlack, GreyBlack
Housing materialKnown for oneMetal, Plastic
Cable lengthKnown for one1.5 m
Cooling typeActiveActive
Display typeLCDLCD
LED indicatorsDiffersYesFault, Power
Operational conditions3 differ
Operating temperature (T-T)Differs0 - 40 °C0 - 50 °C
Storage temperature (T-T)Known for one-15 - 55 °C
Operating relative humidity (H-H)Differs0 - 90%0 - 95%
Storage relative humidity (H-H)Differs0 - 90%0 - 95%
Packaging contentidentical
Rack mount kitKnown for oneYes
Cables includedKnown for oneRS-232, Input power cable
ManualYesYes
Certificatesidentical
CertificationKnown for oneCE LVD: EN IEC 62040-1: 2019+A11: 2021; CE EMC: EN IEC 62040-2: 2018; EN 62040-2: 2006; EN IEC 61000-3-2: 2019+A2: 2024; EN 61000-3-3: 2013+A2: 2021
Weight & dimensions4 differ
WidthDiffers482.6 mm250 mm
DepthDiffers429.2 mm592 mm
HeightDiffers88 mm826 mm
WeightDiffers8.1 kg45 kg
Packaging dataidentical
Package widthKnown for one570 mm
Package depthKnown for one540 mm
Package heightKnown for one185 mm
Package weightKnown for one10.8 kg
Logistics dataidentical
Country of originKnown for oneIndia

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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