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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 Legrand Keor -DK-3000-B uninterruptible power supply (UPS) Double-conversion (Online) 3 kVA

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  • 17specifications compared
  • 13differ
  • 4identical
  • 47known for one product only

Key differences

The Legrand Keor -DK-3000-B uninterruptible power supply (UPS) Double-conversion (Online) 3 kVA has 1 kVA more output power capacity than the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA (3 kVA vs 2 kVA). The Legrand Keor -DK-3000-B uninterruptible power supply (UPS) Double-conversion (Online) 3 kVA has 1,000 W more output power than the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA (3000 W vs 2000 W). The Legrand Keor -DK-3000-B uninterruptible power supply (UPS) Double-conversion (Online) 3 kVA has 130 V more input operation voltage (min) than the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA (220 V vs 90 V). Waveform: Pure sine on the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA, Sine on the Legrand Keor -DK-3000-B uninterruptible power supply (UPS) Double-conversion (Online) 3 kVA. AC outlets quantity: 3 AC outlet(s) on the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA, 7 AC outlet(s) on the Legrand Keor -DK-3000-B uninterruptible power supply (UPS) Double-conversion (Online) 3 kVA.

  • Output power capacity
    • 2 kVA
    • 3 kVA
  • Output power
    • 2000 W
    • 3000 W
  • Waveform
    • Pure sine
    • Sine
  • Input operation voltage (min)
    • 90 V
    • 220 V
  • Input operation voltage (max)
    • 300 V
    • 240 V
  • Output power factor
    • 0.9
    • 1
  • AC outlets quantity
    • 3 AC outlet(s)
    • 7 AC outlet(s)
  • Battery voltage
    • 72 V
    • 12 V

Side by side

Differences highlightedShow differences only
64 specifications
A

Dahua Technology

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

Model DH-PFM3355-2000L

View product
B

Legrand

Keor -DK-3000-B uninterruptible power supply (UPS) Double-conversion (Online) 3 kVA

Model Keor-DK-3000-B

View product
Features6 differ
UPS topologyDouble-conversion (Online)Double-conversion (Online)
Output power capacityDiffers2 kVA3 kVA
Output powerDiffers2000 W3000 W
WaveformDiffersPure sineSine
Input operation voltage (min)Differs90 V220 V
Input operation voltage (max)Differs300 V240 V
Input frequency50/60 Hz50/60 Hz
Output operation voltage (max)Known for one230 V
Output frequencyKnown for one50 Hz
Maximum currentKnown for one12 A
Response timeKnown for one4 ms
Input power factorKnown for one0.9
Output power factorDiffers0.91
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
EfficiencyKnown for one98%
Efficiency (On-line mode)Known for one96%
Efficiency (ECO mode)Known for one98.3%
Power factorKnown for one1
Crest factorKnown for one3:1
ECO modeKnown for oneYes
Emergency Power Off (EPO)Known for oneYes
Surge protectionKnown for oneYes
Ports & interfaces1 differ
AC outlets quantityDiffers3 AC outlet(s)7 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
AC outlet typesKnown for oneC19 coupler, C13 coupler
USB portKnown for oneYes
Network card slotKnown for oneYes
Battery1 differ
Battery technologyKnown for oneLead-Acid
Battery voltageDiffers72 V12 V
Battery capacityKnown for one9 Ah
Number of batteries includedKnown for one6 pc(s)
Number of battery cellsKnown for one6
Battery recharge timeKnown for one4 h
Hot-swap batteryKnown for oneYes
Design2 differ
Form factorDiffersRackmountRackmount/Tower
Product colourDiffersBlack, GreyBlack, White
Housing materialKnown for oneMetal, Plastic
Cable lengthKnown for one1.5 m
Cooling typeKnown for oneActive
Display typeKnown for oneLCD
LED indicatorsKnown for oneYes
Rack capacityKnown for one2U
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Storage temperature (T-T)Known for one-15 - 55 °C
Operating relative humidity (H-H)Known for one0 - 90%
Storage relative humidity (H-H)Known for one0 - 90%
Packaging contentidentical
Rack mount kitKnown for oneYes
Cables includedKnown for oneRS-232, Input power cable
ManualYesYes
Quick installation guideKnown 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 & dimensions3 differ
WidthDiffers482.6 mm440 mm
DepthDiffers429.2 mm640 mm
Height88 mm88 mm
WeightDiffers8.1 kg2.7 kg
Packaging dataidentical
Package widthKnown for one570 mm
Package depthKnown for one540 mm
Package heightKnown for one185 mm
Package weightKnown for one10.8 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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