Product comparison · 2 uninterruptible power supplies (upss)

CyberPower Online S Series Online Double Conversion USV 2000VA/1800WTower, ECO Mode, LCD, USB, Smart-Slot vs Dahua Technology PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA

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  • 32specifications compared
  • 24differ
  • 8identical
  • 44known for one product only

Key differences

The CyberPower Online S Series Online Double Conversion USV 2000VA/1800WTower, ECO Mode, LCD, USB, Smart-Slot has 1 kVA more output power capacity than the Dahua Technology PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA (2 kVA vs 1 kVA). The CyberPower Online S Series Online Double Conversion USV 2000VA/1800WTower, ECO Mode, LCD, USB, Smart-Slot has 1,200 W more output power than the Dahua Technology PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA (1800 W vs 600 W). The Dahua Technology PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA has 90 V more input operation voltage (min) than the CyberPower Online S Series Online Double Conversion USV 2000VA/1800WTower, ECO Mode, LCD, USB, Smart-Slot (170 V vs 80 V). UPS topology: Double-conversion (Online) on the CyberPower Online S Series Online Double Conversion USV 2000VA/1800WTower, ECO Mode, LCD, USB, Smart-Slot, Line-Interactive on the Dahua Technology PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA. Waveform: Pure sine on the CyberPower Online S Series Online Double Conversion USV 2000VA/1800WTower, ECO Mode, LCD, USB, Smart-Slot, Sine/Pure sine on the Dahua Technology PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA.

  • UPS topology
    • Online S Series Online Double Conversion USV 2000VA/1800WTower, ECO Mode, LCD, USB, Smart-Slot:Double-conversion (Online)
    • PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA:Line-Interactive
  • Output power capacity
    • Online S Series Online Double Conversion USV 2000VA/1800WTower, ECO Mode, LCD, USB, Smart-Slot:2 kVA
    • PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA:1 kVA
  • Output power
    • Online S Series Online Double Conversion USV 2000VA/1800WTower, ECO Mode, LCD, USB, Smart-Slot:1800 W
    • PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA:600 W
  • Waveform
    • Online S Series Online Double Conversion USV 2000VA/1800WTower, ECO Mode, LCD, USB, Smart-Slot:Pure sine
    • PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA:Sine/Pure sine
  • Input operation voltage (min)
    • Online S Series Online Double Conversion USV 2000VA/1800WTower, ECO Mode, LCD, USB, Smart-Slot:80 V
    • PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA:170 V
  • Input operation voltage (max)
    • Online S Series Online Double Conversion USV 2000VA/1800WTower, ECO Mode, LCD, USB, Smart-Slot:300 V
    • PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA:280 V
  • Output operation voltage (max)
    • Online S Series Online Double Conversion USV 2000VA/1800WTower, ECO Mode, LCD, USB, Smart-Slot:240 V
    • PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA:230 V
  • Maximum current
    • Online S Series Online Double Conversion USV 2000VA/1800WTower, ECO Mode, LCD, USB, Smart-Slot:9 A
    • PFM3350-1000 uninterruptible power supply (UPS) Line-Interactive 1 kVA:4.8 A

Side by side

Differences highlightedShow differences only (on)
Comparison of OLS2KECR, PFM3350-1000
76 specifications
Features10 differ
UPS topologyDiffersDouble-conversion (Online)Line-Interactive
Output power capacityDiffers2 kVA1 kVA
Output powerDiffers1800 W600 W
WaveformDiffersPure sineSine/Pure sine
Input operation voltage (min)Differs80 V170 V
Input operation voltage (max)Differs300 V280 V
Output operation voltage (min)Known for one208 VUnknown — not stated by the source
Output operation voltage (max)Differs240 V230 V
Output voltage regulationKnown for one1%Unknown — not stated by the source
Automatic Voltage Regulation (AVR)Known for oneYesUnknown — not stated by the source
Maximum currentDiffers9 A4.8 A
Surge energy ratingKnown for one440 JUnknown — not stated by the source
Heat dissipationKnown for one607 BTU/hUnknown — not stated by the source
Efficiency (ECO mode)Known for one96%Unknown — not stated by the source
Input power factorKnown for one0.99Unknown — not stated by the source
Output power factorKnown for one0.9Unknown — not stated by the source
Crest factorKnown for one3:1Unknown — not stated by the source
ECO modeKnown for oneYesUnknown — not stated by the source
Emergency Power Off (EPO)Known for oneYesUnknown — not stated by the source
Overload capacity (1 minute)Known for one120%Unknown — not stated by the source
Overload capacity (10 seconds)Known for one120%Unknown — not stated by the source
Output voltage Total Harmonic Distortion (THD)Known for one5%Unknown — not stated by the source
EMI/RFI noise filteringKnown for oneYesUnknown — not stated by the source
Surge protectionKnown for oneYesUnknown — not stated by the source
Power protection featuresDiffersInput fuse, OverloadOverload, Overcharge, Overdischarge
Audible alarm modesDiffersAlarm when on battery, Low battery alarm, Overload alarm, Fault, Battery replacementLow battery alarm, Overload alarm, Battery replacement, Alarm when on battery, Fault
Socket circuit breakerKnown for oneYesUnknown — not stated by the source
Response timeKnown for oneUnknown — not stated by the source4 ms
Power factorKnown for oneUnknown — not stated by the source0.6
Ports & interfaces1 differ
AC outlet typesKnown for oneC13 coupler, Type FUnknown — not stated by the source
Power plugKnown for oneType FUnknown — not stated by the source
AC outlets quantityDiffers4 AC outlet(s)2 AC outlet(s)
USB portKnown for oneYesUnknown — not stated by the source
USB port typeKnown for oneUSB Type-BUnknown — not stated by the source
RS-232 portsKnown for one1Unknown — not stated by the source
Emergency Power Off (EPO) connectorKnown for oneYesUnknown — not stated by the source
Battery3 differ
Battery replacement accessibilityKnown for oneProfessional onlyUnknown — not stated by the source
Battery technologyDiffersSealed Lead Acid (VRLA)Lead-Acid
Battery voltageDiffers12 V13.7 V
Number of batteries supportedKnown for one4Unknown — not stated by the source
Typical backup time at full loadKnown for one3 minUnknown — not stated by the source
Typical backup time at half loadKnown for one14.3 minUnknown — not stated by the source
Charging currentDiffers1.5 A1 A
Replacement battery cartridgeKnown for oneBPS48V40ACUnknown — not stated by the source
Number of batteries includedKnown for oneUnknown — not stated by the source1 pc(s)
Design2 differ
Form factorKnown for oneTowerUnknown — not stated by the source
Housing materialDiffersMetalPlastic
Cable lengthDiffers1.5 m1.2 m
Display typeKnown for oneLCDUnknown — not stated by the source
Built-in fanKnown for oneUnknown — not stated by the sourceYes
Control typeKnown for oneUnknown — not stated by the sourceButtons
LED indicatorsKnown for oneUnknown — not stated by the sourceFault, Power
Operational conditions3 differ
Storage temperature (T-T)Differs-20 - 50 °C-15 - 55 °C
Operating relative humidity (H-H)Differs0 - 95%0 - 90%
Storage relative humidity (H-H)Differs0 - 95%0 - 90%
Operating altitudeKnown for one0 - 1500 mUnknown — not stated by the source
Non-operating altitudeKnown for one0 - 1500 mUnknown — not stated by the source
Packaging contentidentical
Cables includedKnown for oneUSB cableUnknown — not stated by the source
Certificates1 differ
Compliance certificatesDiffersCE, EAC, UKCA, RoHSCE
Weight & dimensions4 differ
WidthDiffers110 mm101.5 mm
DepthDiffers390 mm298.4 mm
HeightDiffers345 mm142.2 mm
WeightDiffers17 kg4.9 kg
Other featuresidentical
BypassKnown for oneGreenPower UPSUnknown — not stated by the source
Packaging dataidentical
Package widthKnown for oneUnknown — not stated by the source142 mm
Package depthKnown for oneUnknown — not stated by the source342 mm
Package heightKnown for oneUnknown — not stated by the source223 mm
Package weightKnown for oneUnknown — not stated by the source5.1 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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