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Product comparison · 2 uninterruptible power supplies (upss)

APC E3SUPS40KFB uninterruptible power supply (UPS) Double-conversion (Online) 40 kVA vs Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA

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  • 28specifications compared
  • 21differ
  • 7identical
  • 25known for one product only

Key differences

The APC E3SUPS40KFB uninterruptible power supply (UPS) Double-conversion (Online) 40 kVA has 38 kVA more output power capacity than the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA (40 kVA vs 2 kVA). The APC E3SUPS40KFB uninterruptible power supply (UPS) Double-conversion (Online) 40 kVA has 38,000 W more output power than the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA (40000 W vs 2000 W). The APC E3SUPS40KFB uninterruptible power supply (UPS) Double-conversion (Online) 40 kVA has 214 V more input operation voltage (min) than the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA (304 V vs 90 V). Input frequency: 40 - 70 Hz on the APC E3SUPS40KFB uninterruptible power supply (UPS) Double-conversion (Online) 40 kVA, 50/60 Hz on the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA. Form factor: Tower on the APC E3SUPS40KFB uninterruptible power supply (UPS) Double-conversion (Online) 40 kVA, Rackmount on the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA.

  • Output power capacity
    • 40 kVA
    • 2 kVA
  • Output power
    • 40000 W
    • 2000 W
  • Input operation voltage (min)
    • 304 V
    • 90 V
  • Input operation voltage (max)
    • 477 V
    • 300 V
  • Input frequency
    • 40 - 70 Hz
    • 50/60 Hz
  • Maximum current
    • 73 A
    • 12 A
  • Battery voltage
    • 120 V
    • 72 V
  • Form factor
    • Tower
    • Rackmount

Side by side

Differences highlightedShow differences only
53 specifications
A

APC

E3SUPS40KFB uninterruptible power supply (UPS) Double-conversion (Online) 40 kVA

Model E3SUPS40KFB

View product
B

Dahua Technology

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

Model DH-PFM3355-2000L

View product
Features6 differ
UPS topologyDouble-conversion (Online)Double-conversion (Online)
Output power capacityDiffers40 kVA2 kVA
Output powerDiffers40000 W2000 W
WaveformPure sinePure sine
Input operation voltage (min)Differs304 V90 V
Input operation voltage (max)Differs477 V300 V
Input frequencyDiffers40 - 70 Hz50/60 Hz
Output operation voltage (max)Known for one230 V
Output frequency50 Hz50 Hz
Maximum currentDiffers73 A12 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
Heat dissipationKnown for one2800 BTU/h
Power factorKnown for one0.7
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
Battery1 differ
Battery technologyLead-AcidLead-Acid
Battery voltageDiffers120 V72 V
Design2 differ
Form factorDiffersTowerRackmount
Product colourDiffersWhiteBlack, Grey
Housing materialKnown for oneMetal, Plastic
Cable lengthKnown for one1.5 m
Cooling typeKnown for oneActive
Display typeLCDLCD
LED indicatorsKnown for oneYes
International Protection (IP) codeKnown for oneIP20
Operational conditions3 differ
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)Differs-15 - 40 °C-15 - 55 °C
Operating relative humidity (H-H)Differs0 - 95%0 - 90%
Storage relative humidity (H-H)Differs0 - 95%0 - 90%
Packaging contentidentical
Rack mount kitKnown for oneYes
Cables includedKnown for oneRS-232, Input power cable
ManualYesYes
Management card includedKnown for oneNo
Quick installation guideKnown for oneYes
Certificates1 differ
CertificationDiffersCE, EAC, IEC 62040-1-1, IEC 62040-2, IEC 62040-3, IEC 62040-4, ISTA 2B, RCM, WEEE, REACHCE 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 oneRoHS
Weight & dimensions4 differ
WidthDiffers380 mm482.6 mm
DepthDiffers1092 mm429.2 mm
HeightDiffers1400 mm88 mm
WeightDiffers187 kg8.1 kg
Packaging data4 differ
Package widthDiffers1200 mm570 mm
Package depthDiffers800 mm540 mm
Package heightDiffers1595 mm185 mm
Package weightDiffers220 kg10.8 kg
Other featuresidentical
Output voltageKnown for one208 V

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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