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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 Dahua Technology PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA

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  • 34specifications compared
  • 22differ
  • 12identical
  • 20known for one product only

Key differences

  • UPS topology
    • Double-conversion (Online)
    • Line-Interactive
  • Output power
    • 900 W
    • 600 W
  • Waveform
    • Pure sine
    • Sine/Pure sine
  • Input operation voltage (min)
    • 90 V
    • 170 V
  • Input operation voltage (max)
    • 300 V
    • 280 V
  • Output frequency
    • 50 Hz
    • 50/60 Hz
  • Maximum current
    • 12 A
    • 4.8 A
  • AC outlets quantity
    • 3 AC outlet(s)
    • 2 AC outlet(s)

Side by side

Differences highlightedShow differences only
54 specifications
A

Dahua Technology

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

Model DH-PFM3355-1000L

View product
B

Dahua Technology

PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA

Model PFM3350-1000

View product
Features8 differ
UPS topologyDiffersDouble-conversion (Online)Line-Interactive
Output power capacity1 kVA1 kVA
Output powerDiffers900 W600 W
WaveformDiffersPure sineSine/Pure sine
Input operation voltage (min)Differs90 V170 V
Input operation voltage (max)Differs300 V280 V
Input frequency50/60 Hz50/60 Hz
Output operation voltage (max)230 V230 V
Output frequencyDiffers50 Hz50/60 Hz
Maximum currentDiffers12 A4.8 A
Response time4 ms4 ms
Input power factorKnown for one0.9
Output power factorKnown for one0.9
Power protection featuresOverload, Overcharge, OverdischargeOverload, Overcharge, Overdischarge
Audible alarm(s)YesYes
Audible alarm modesDiffersAlarm when on battery, Overload alarm, Low battery alarm, FaultLow battery alarm, Overload alarm, Battery replacement, Alarm when on battery, Fault
Power factorKnown for one0.6
Ports & interfaces1 differ
AC outlets quantityDiffers3 AC outlet(s)2 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 technologyLead-AcidLead-Acid
Battery voltageDiffers72 V13.7 V
Battery capacityKnown for one9 Ah
Number of batteries includedKnown for one1 pc(s)
Battery recharge timeKnown for one4 h
Charging currentKnown for one1 A
Design4 differ
Form factorKnown for oneRackmount
Product colourDiffersBlack, GreyBlack
Housing materialDiffersMetal, PlasticPlastic
Cable lengthDiffers1.5 m1.2 m
Cooling typeKnown for oneActive
Display typeKnown for oneLCD
LED indicatorsDiffersYesFault, Power
Built-in fanKnown for oneYes
Control typeKnown for oneButtons
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)-15 - 55 °C-15 - 55 °C
Operating relative humidity (H-H)0 - 90%0 - 90%
Storage relative humidity (H-H)0 - 90%0 - 90%
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
Compliance certificatesKnown for oneCE
Weight & dimensions4 differ
WidthDiffers482.6 mm101.5 mm
DepthDiffers429.2 mm298.4 mm
HeightDiffers88 mm142.2 mm
WeightDiffers7.4 kg4.9 kg
Packaging data4 differ
Package widthDiffers570 mm142 mm
Package depthDiffers540 mm342 mm
Package heightDiffers185 mm223 mm
Package weightDiffers10.2 kg5.1 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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