Product comparison · 2 uninterruptible power supplies (upss)

CyberPower Online S Series Online Double Conversion USV 3000VA/2700WTower, ECO Mode, LCD, USB, Smart-Slot vs Dahua Technology PFM3350-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA

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  • 31specifications compared
  • 24differ
  • 7identical
  • 45known for one product only

Key differences

The CyberPower Online S Series Online Double Conversion USV 3000VA/2700WTower, ECO Mode, LCD, USB, Smart-Slot has 1.5 kVA more output power capacity than the Dahua Technology PFM3350-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA (3 kVA vs 1.5 kVA). The CyberPower Online S Series Online Double Conversion USV 3000VA/2700WTower, ECO Mode, LCD, USB, Smart-Slot has 1,800 W more output power than the Dahua Technology PFM3350-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA (2700 W vs 900 W). The Dahua Technology PFM3350-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA has 90 V more input operation voltage (min) than the CyberPower Online S Series Online Double Conversion USV 3000VA/2700WTower, 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 3000VA/2700WTower, ECO Mode, LCD, USB, Smart-Slot, Line-Interactive on the Dahua Technology PFM3350-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA. Waveform: Pure sine on the CyberPower Online S Series Online Double Conversion USV 3000VA/2700WTower, ECO Mode, LCD, USB, Smart-Slot, Sine/Pure sine on the Dahua Technology PFM3350-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA.

  • UPS topology
    • Online S Series Online Double Conversion USV 3000VA/2700WTower, ECO Mode, LCD, USB, Smart-Slot:Double-conversion (Online)
    • PFM3350-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA:Line-Interactive
  • Output power capacity
    • Online S Series Online Double Conversion USV 3000VA/2700WTower, ECO Mode, LCD, USB, Smart-Slot:3 kVA
    • PFM3350-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA:1.5 kVA
  • Output power
    • Online S Series Online Double Conversion USV 3000VA/2700WTower, ECO Mode, LCD, USB, Smart-Slot:2700 W
    • PFM3350-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA:900 W
  • Waveform
    • Online S Series Online Double Conversion USV 3000VA/2700WTower, ECO Mode, LCD, USB, Smart-Slot:Pure sine
    • PFM3350-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA:Sine/Pure sine
  • Input operation voltage (min)
    • Online S Series Online Double Conversion USV 3000VA/2700WTower, ECO Mode, LCD, USB, Smart-Slot:80 V
    • PFM3350-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA:170 V
  • Input operation voltage (max)
    • Online S Series Online Double Conversion USV 3000VA/2700WTower, ECO Mode, LCD, USB, Smart-Slot:300 V
    • PFM3350-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA:280 V
  • Output operation voltage (max)
    • Online S Series Online Double Conversion USV 3000VA/2700WTower, ECO Mode, LCD, USB, Smart-Slot:240 V
    • PFM3350-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA:230 V
  • Maximum current
    • Online S Series Online Double Conversion USV 3000VA/2700WTower, ECO Mode, LCD, USB, Smart-Slot:13.04 A
    • PFM3350-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA:7.2 A

Side by side

Differences highlightedShow differences only (on)
Comparison of OLS3KECR, PFM3350-1500
76 specifications
Features10 differ
UPS topologyDiffersDouble-conversion (Online)Line-Interactive
Output power capacityDiffers3 kVA1.5 kVA
Output powerDiffers2700 W900 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 currentDiffers13.04 A7.2 A
Surge energy ratingKnown for one590 JUnknown — not stated by the source
Heat dissipationKnown for one1139 BTU/hUnknown — not stated by the source
Efficiency (ECO mode)Known for one97%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 replacementAlarm when on battery, Battery replacement, Fault, Low battery alarm, Overload alarm
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 oneType F, C13 coupler, TerminalUnknown — not stated by the source
Power plugKnown for oneType FUnknown — not stated by the source
AC outlets quantityDiffers7 AC outlet(s)4 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 capacityDiffers9 Ah7 Ah
Battery voltageDiffers12 V13.7 V
Number of batteries supportedKnown for one6Unknown — 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 one12.7 minUnknown — not stated by the source
Replacement battery cartridgeKnown for oneBPS72V40ACUnknown — not stated by the source
Number of batteries includedKnown for oneUnknown — not stated by the source2 pc(s)
Charging currentKnown for oneUnknown — not stated by the source1 A
Design2 differ
Form factorKnown for oneTowerUnknown — not stated by the source
Housing materialDiffersMetalMetal, Plastic
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 sourcePower, Fault
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
WidthDiffers155 mm138.4 mm
DepthDiffers341 mm374.5 mm
HeightDiffers400 mm166.5 mm
WeightDiffers25 kg11.4 kg
Other featuresidentical
BypassKnown for oneGreenPower UPSUnknown — not stated by the source
Packaging dataidentical
Package widthKnown for oneUnknown — not stated by the source195 mm
Package depthKnown for oneUnknown — not stated by the source470 mm
Package heightKnown for oneUnknown — not stated by the source255 mm
Package weightKnown for oneUnknown — not stated by the source11.8 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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