All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 uninterruptible power supplies (upss)

Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA vs Legrand 311341 uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA

Add a product
  • 18specifications compared
  • 13differ
  • 5identical
  • 38known for one product only

Key differences

The Legrand 311341 uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA has 1 kVA more output power capacity than the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA (2 kVA vs 1 kVA). The Legrand 311341 uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA has 1,100 W more output power than the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA (2000 W vs 900 W). The Legrand 311341 uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA has 20 V more input operation voltage (min) than the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA (110 V vs 90 V). Waveform: Pure sine on the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA, Pulse width modulation (PWM) on the Legrand 311341 uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA. Input frequency: 50/60 Hz on the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA, 45/65 Hz on the Legrand 311341 uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA.

  • Output power capacity
    • 1 kVA
    • 2 kVA
  • Output power
    • 900 W
    • 2000 W
  • Waveform
    • Pure sine
    • Pulse width modulation (PWM)
  • Input operation voltage (min)
    • 90 V
    • 110 V
  • Input operation voltage (max)
    • 300 V
    • 280 V
  • Input frequency
    • 50/60 Hz
    • 45/65 Hz
  • Output operation voltage (max)
    • 230 V
    • 240 V
  • Output frequency
    • 50 Hz
    • 50/60 Hz

Side by side

Differences highlightedShow differences only
56 specifications
A

Dahua Technology

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

Model DH-PFM3355-1000L

View product
B

Legrand

311341 uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA

Model 311341

View product
Features8 differ
Output power capacityDiffers1 kVA2 kVA
Output powerDiffers900 W2000 W
WaveformDiffersPure sinePulse width modulation (PWM)
Input operation voltage (min)Differs90 V110 V
Input operation voltage (max)Differs300 V280 V
Input frequencyDiffers50/60 Hz45/65 Hz
Output operation voltage (max)Differs230 V240 V
Output frequencyDiffers50 Hz50/60 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 one200 V
EfficiencyKnown for one92.5%
Efficiency (ECO mode)Known for one98.3%
Noise levelKnown for one45 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
AC outlet typesKnown for oneC13 coupler, C19 coupler
USB portKnown for oneYes
Serial interfaceKnown for oneYes
Serial interface typeKnown for oneRS-232
Batteryidentical
Battery technologyKnown for oneLead-Acid
Battery voltageKnown for one72 V
Design1 differ
Product colourDiffersBlack, GreyBlack
Housing materialKnown for oneMetal, Plastic
Cable lengthKnown for one1.5 m
Cooling typeKnown for oneActive
LED indicatorsKnown for oneYes
Control typeKnown for oneTouch
International Protection (IP) codeKnown for oneIP20
Operational conditions1 differ
Storage temperature (T-T)Differs-15 - 55 °C-10 - 50 °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
WeightDiffers7.4 kg24.4 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.

More uninterruptible power supplies (upss) comparisons

All uninterruptible power supplies (upss) comparisons