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Product comparison · 2 uninterruptible power supplies (upss)

APC E3SUPS40KFB uninterruptible power supply (UPS) Double-conversion (Online) 40 kVA vs CyberPower Online S Series OLS3KERT2UH uninterruptible power supply (UPS) Double-conversion (Online) 3 kVA

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  • 23specifications compared
  • 20differ
  • 3identical
  • 44known for one product only

Key differences

The APC E3SUPS40KFB uninterruptible power supply (UPS) Double-conversion (Online) 40 kVA has 37 kVA more output power capacity than the CyberPower Online S Series OLS3KERT2UH uninterruptible power supply (UPS) Double-conversion (Online) 3 kVA (40 kVA vs 3 kVA). The APC E3SUPS40KFB uninterruptible power supply (UPS) Double-conversion (Online) 40 kVA has 37,000 W more output power than the CyberPower Online S Series OLS3KERT2UH uninterruptible power supply (UPS) Double-conversion (Online) 3 kVA (40000 W vs 3000 W). The APC E3SUPS40KFB uninterruptible power supply (UPS) Double-conversion (Online) 40 kVA has 194 V more input operation voltage (min) than the CyberPower Online S Series OLS3KERT2UH uninterruptible power supply (UPS) Double-conversion (Online) 3 kVA (304 V vs 110 V). Input frequency: 40 - 70 Hz on the APC E3SUPS40KFB uninterruptible power supply (UPS) Double-conversion (Online) 40 kVA, 50/60 Hz on the CyberPower Online S Series OLS3KERT2UH uninterruptible power supply (UPS) Double-conversion (Online) 3 kVA. Output frequency: 50 Hz on the APC E3SUPS40KFB uninterruptible power supply (UPS) Double-conversion (Online) 40 kVA, 50/60 Hz on the CyberPower Online S Series OLS3KERT2UH uninterruptible power supply (UPS) Double-conversion (Online) 3 kVA.

  • Output power capacity
    • 40 kVA
    • 3 kVA
  • Output power
    • 40000 W
    • 3000 W
  • Input operation voltage (min)
    • 304 V
    • 110 V
  • Input operation voltage (max)
    • 477 V
    • 300 V
  • Input frequency
    • 40 - 70 Hz
    • 50/60 Hz
  • Output frequency
    • 50 Hz
    • 50/60 Hz
  • Maximum current
    • 73 A
    • 14.02 A
  • Heat dissipation
    • 2800 BTU/h
    • 653 BTU/h

Side by side

Differences highlightedShow differences only
67 specifications
A

APC

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

Model E3SUPS40KFB

View product
B

CyberPower

Online S Series OLS3KERT2UH uninterruptible power supply (UPS) Double-conversion (Online) 3 kVA

Model OLS3KERT2UH

View product
Features9 differ
UPS topologyDouble-conversion (Online)Double-conversion (Online)
Output power capacityDiffers40 kVA3 kVA
Output powerDiffers40000 W3000 W
WaveformPure sinePure sine
Input operation voltage (min)Differs304 V110 V
Input operation voltage (max)Differs477 V300 V
Input frequencyDiffers40 - 70 Hz50/60 Hz
Output operation voltage (min)Known for one200 V
Output operation voltage (max)Known for one240 V
Output frequencyDiffers50 Hz50/60 Hz
Maximum currentDiffers73 A14.02 A
Surge energy ratingKnown for one1065 J
Heat dissipationDiffers2800 BTU/h653 BTU/h
Number of input phasesKnown for one1
Efficiency (ECO mode)Known for one98%
Power factorDiffers0.71
Input power factorKnown for one0.99
ECO modeKnown for oneYes
Emergency Power Off (EPO)Known for oneYes
EMI/RFI noise filteringKnown for oneYes
Surge protectionKnown for oneYes
Power protection featuresKnown for oneOverload
Audible alarm(s)Known for oneYes
Audible alarm modesKnown for oneAlarm when on battery, Battery replacement, Fault, Low battery alarm, Overload alarm
Ports & interfacesidentical
AC outlet typesKnown for oneC13 coupler, C19 coupler
AC outlets quantityKnown for one7 AC outlet(s)
USB portKnown for oneYes
Serial interfaceKnown for oneYes
Serial interface typeKnown for oneRS-232
RS-232 portsKnown for one1
Serial ports quantityKnown for one1
Emergency Power Off (EPO) connectorKnown for oneYes
Battery1 differ
Battery voltageDiffers120 V72 V
Typical backup time at full loadKnown for one2.5 min
Typical backup time at half loadKnown for one9.5 min
Battery recharge timeKnown for one4 h
Charging currentKnown for one8 A
Hot-swap batteryKnown for oneYes
Replacement battery cartridgeKnown for oneRBP0160
Battery technologyKnown for oneLead-Acid
Design2 differ
Form factorDiffersTowerRackmount/Tower
Product colourDiffersWhiteBlack
Housing materialKnown for oneMetal
Cable lengthKnown for one1.5 m
Control typeKnown for oneButtons
Display typeLCDLCD
International Protection (IP) codeKnown for oneIP20
Operational conditions4 differ
Operating temperature (T-T)Differs0 - 40 °C0 - 50 °C
Storage temperature (T-T)Differs-15 - 40 °C-20 - 50 °C
Operating relative humidity (H-H)Differs0 - 95%20 - 90%
Storage relative humidity (H-H)Differs0 - 95%10 - 90%
Operating altitudeKnown for one0 - 1500 m
Non-operating altitudeKnown for one0 - 1500 m
Certificates1 differ
CertificationDiffersCE, EAC, IEC 62040-1-1, IEC 62040-2, IEC 62040-3, IEC 62040-4, ISTA 2B, RCM, WEEE, REACHCE, RCM RoHS
Compliance certificatesKnown for oneRoHS
Weight & dimensions3 differ
WidthDiffers380 mm540 mm
DepthDiffers1092 mm730 mm
HeightDiffers1400 mm230 mm
WeightKnown for one187 kg
Packaging contentidentical
Management card includedKnown for oneNo
ManualKnown for oneYes
Quick installation guideKnown for oneYes
Packaging dataidentical
Package widthKnown for one1200 mm
Package depthKnown for one800 mm
Package heightKnown for one1595 mm
Package weightKnown for one220 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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