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Product comparison · 2 uninterruptible power supplies (upss)

Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA vs Vertiv Liebert PowerBank 6 kVA

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  • 21specifications compared
  • 16differ
  • 5identical
  • 38known for one product only

Key differences

The Vertiv Liebert PowerBank 6 kVA has 5 kVA more output power capacity than the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA (6 kVA vs 1 kVA). The Vertiv Liebert PowerBank 6 kVA has 3,300 W more output power than the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA (4200 W vs 900 W). The Vertiv Liebert PowerBank 6 kVA has 75 V more input operation voltage (min) than the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA (165 V vs 90 V). Input frequency: 50/60 Hz on the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA, 50 Hz on the Vertiv Liebert PowerBank 6 kVA. Form factor: Rackmount on the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA, Rackmount/Tower on the Vertiv Liebert PowerBank 6 kVA.

  • Output power capacity
    • 1 kVA
    • 6 kVA
  • Output power
    • 900 W
    • 4200 W
  • Input operation voltage (min)
    • 90 V
    • 165 V
  • Input operation voltage (max)
    • 300 V
    • 275 V
  • Input frequency
    • 50/60 Hz
    • 50 Hz
  • Output operation voltage (max)
    • 230 V
    • 240 V
  • Battery voltage
    • 72 V
    • 12 V
  • Form factor
    • Rackmount
    • Rackmount/Tower

Side by side

Differences highlightedShow differences only
59 specifications
A

Dahua Technology

DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA

Model DH-PFM3355-1000L

View product
B

Vertiv

Liebert PowerBank 6 kVAView product
Features6 differ
UPS topologyDouble-conversion (Online)Double-conversion (Online)
Output power capacityDiffers1 kVA6 kVA
Output powerDiffers900 W4200 W
WaveformPure sinePure sine
Input operation voltage (min)Differs90 V165 V
Input operation voltage (max)Differs300 V275 V
Input frequencyDiffers50/60 Hz50 Hz
Output operation voltage (max)Differs230 V240 V
Output frequency50 Hz50 Hz
Maximum currentKnown for one12 A
Response timeKnown for one4 ms
Input power factorKnown for one0.9
Output power factorKnown for one0.9
Power protection featuresKnown for oneOverload, Overcharge, Overdischarge
Audible alarm(s)Known for oneYes
Audible alarm modesKnown for oneAlarm when on battery, Overload alarm, Low battery alarm, Fault
Output operation voltage (min)Known for one220 V
Efficiency (On-line mode)Known for one89%
Efficiency (ECO mode)Known for one94%
Crest factorKnown for one3:1
Noise levelKnown for one65 dB
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 portsKnown for one1
Ethernet LAN (RJ-45) portsKnown for one1
Battery1 differ
Battery technologyKnown for oneLead-Acid
Battery voltageDiffers72 V12 V
Number of batteries includedKnown for one16 pc(s)
Number of batteries supportedKnown for one16
Number of battery cellsKnown for one16
Battery recharge timeKnown for one12 h
Charging currentKnown for one1 A
Hot-swap batteryKnown for oneYes
Automatic battery testKnown for oneYes
Design2 differ
Form factorDiffersRackmountRackmount/Tower
Product colourDiffersBlack, GreyBlue, White
Housing materialKnown for oneMetal, Plastic
Cable lengthKnown for one1.5 m
Cooling typeKnown for oneActive
Display typeLCDLCD
LED indicatorsKnown for oneYes
International Protection (IP) codeKnown for oneIP20
Operational conditions3 differ
Operating temperature (T-T)Differs0 - 40 °C0 - 45 °C
Storage temperature (T-T)Differs-15 - 55 °C-20 - 70 °C
Operating relative humidity (H-H)Differs0 - 90%0 - 95%
Storage relative humidity (H-H)Known for one0 - 90%
Packaging contentidentical
Rack mount kitYesYes
Cables includedKnown for oneRS-232, Input power cable
ManualKnown for oneYes
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 mm425 mm
DepthDiffers429.2 mm730 mm
HeightDiffers88 mm550 mm
WeightDiffers7.4 kg95 kg
Packaging dataidentical
Package widthKnown for one570 mm
Package depthKnown for one540 mm
Package heightKnown for one185 mm
Package weightKnown for one10.2 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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