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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 ITON CX 1000VA

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  • 26specifications compared
  • 21differ
  • 5identical
  • 34known for one product only

Key differences

The Vertiv Liebert ITON CX 1000VA has 999 kVA more output power capacity than the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA (1000 kVA vs 1 kVA). The Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA has 300 W more output power than the Vertiv Liebert ITON CX 1000VA (900 W vs 600 W). The Vertiv Liebert ITON CX 1000VA has 130 V more input operation voltage (min) than the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA (220 V vs 90 V). UPS topology: Double-conversion (Online) on the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA, Line-Interactive on the Vertiv Liebert ITON CX 1000VA. Waveform: Pure sine on the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA, Simulated sine on the Vertiv Liebert ITON CX 1000VA.

  • UPS topology
    • Double-conversion (Online)
    • Line-Interactive
  • Output power capacity
    • 1 kVA
    • 1000 kVA
  • Output power
    • 900 W
    • 600 W
  • Waveform
    • Pure sine
    • Simulated sine
  • Input operation voltage (min)
    • 90 V
    • 220 V
  • Input operation voltage (max)
    • 300 V
    • 230 V
  • Input frequency
    • 50/60 Hz
    • 50 Hz
  • Output operation voltage (max)
    • 230 V
    • 300 V

Side by side

Differences highlightedShow differences only
60 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 ITON CX 1000VAView product
Features10 differ
UPS topologyDiffersDouble-conversion (Online)Line-Interactive
Output power capacityDiffers1 kVA1000 kVA
Output powerDiffers900 W600 W
WaveformDiffersPure sineSimulated sine
Input operation voltage (min)Differs90 V220 V
Input operation voltage (max)Differs300 V230 V
Input frequencyDiffers50/60 Hz50 Hz
Output operation voltage (max)Differs230 V300 V
Output frequencyDiffers50 Hz40/70 Hz
Maximum currentKnown for one12 A
Response time4 ms4 ms
Input power factorKnown for one0.9
Output power factorKnown for one0.9
Power protection featuresDiffersOverload, Overcharge, OverdischargeOverload
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 one140 V
Automatic Voltage Regulation (AVR)Known for oneYes
Emergency Power Off (EPO)Known for oneYes
Noise levelKnown for one40 dB
Surge protectionKnown for oneYes
Ports & interfacesidentical
AC outlets quantityKnown for one3 AC outlet(s)
USB 2.0 ports quantityKnown for one1
USB port typeUSB Type-BUSB 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
Battery1 differ
Battery technologyKnown for oneLead-Acid
Battery voltageDiffers72 V12 V
Battery capacityKnown for one7 Ah
Number of battery cellsKnown for one2
Battery recharge timeKnown for one8 h
Cold startKnown for oneYes
Design3 differ
Form factorDiffersRackmountRackmount/Tower
Product colourDiffersBlack, GreyBlack
Housing materialKnown for oneMetal, Plastic
Cable lengthKnown for one1.5 m
Cooling typeKnown for oneActive
Display typeKnown for oneLCD
LED indicatorsDiffersYesFault, Power
Backlight colourKnown for oneRed/Green
Operational conditions3 differ
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)Differs-15 - 55 °C-15 - 50 °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 mm141 mm
DepthDiffers429.2 mm369 mm
HeightDiffers88 mm160 mm
WeightDiffers7.4 kg10 kg
Packaging dataidentical
Package widthKnown for one570 mm
Package depthKnown for one540 mm
Package heightKnown for one185 mm
Package weightKnown for one10.2 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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