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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-2000-B uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA

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  • 14specifications compared
  • 9differ
  • 5identical
  • 32known for one product only

Key differences

The Legrand Keor -DK-2000-B uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA has 140 V more input operation voltage (min) than the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA (230 V vs 90 V). The Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA has 70 V more input operation voltage (max) than the Legrand Keor -DK-2000-B uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA (300 V vs 230 V). The Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA has 42.6 mm more width than the Legrand Keor -DK-2000-B uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA (482.6 mm vs 440 mm). 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-2000-B uninterruptible power supply (UPS) Double-conversion (Online) 2 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-2000-B uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA.

  • Waveform
    • Pure sine
    • Sine
  • Input operation voltage (min)
    • 90 V
    • 230 V
  • Input operation voltage (max)
    • 300 V
    • 230 V
  • AC outlets quantity
    • 3 AC outlet(s)
    • 7 AC outlet(s)
  • Form factor
    • Rackmount
    • Rackmount/Tower
  • Product colour
    • Black, Grey
    • White, Black
  • Width
    • 482.6 mm
    • 440 mm
  • Depth
    • 429.2 mm
    • 640 mm

Side by side

Differences highlightedShow differences only
46 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-2000-B uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA

Model Keor-DK-2000-B

View product
Features3 differ
UPS topologyDouble-conversion (Online)Double-conversion (Online)
Output power capacity2 kVA2 kVA
Output power2000 W2000 W
WaveformDiffersPure sineSine
Input operation voltage (min)Differs90 V230 V
Input operation voltage (max)Differs300 V230 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 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
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
Batteryidentical
Battery technologyKnown for oneLead-Acid
Battery voltageKnown for one72 V
Design2 differ
Form factorDiffersRackmountRackmount/Tower
Product colourDiffersBlack, GreyWhite, Black
Housing materialKnown for oneMetal, Plastic
Cable lengthKnown for one1.5 m
Cooling typeKnown for oneActive
Display typeKnown for oneLCD
LED indicatorsKnown for oneYes
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
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 & dimensions3 differ
WidthDiffers482.6 mm440 mm
DepthDiffers429.2 mm640 mm
Height88 mm88 mm
WeightDiffers8.1 kg24 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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