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Product comparison · 2 uninterruptible power supplies (upss)

CyberPower HSTP3T20KEBCWOB uninterruptible power supply (UPS) Double-conversion (Online) 20 kVA vs Ewent EW3946 uninterruptible power supply (UPS) Line-Interactive 0.6 kVA

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  • 24specifications compared
  • 19differ
  • 5identical
  • 42known for one product only

Key differences

  • UPS topology
    • Double-conversion (Online)
    • Line-Interactive
  • Output power capacity
    • 20 kVA
    • 0.6 kVA
  • Output power
    • 18000 W
    • 360 W
  • Waveform
    • Pure sine
    • Sine
  • Input operation voltage (min)
    • 220 V
    • 230 V
  • Input operation voltage (max)
    • 415 V
    • 230 V
  • Output operation voltage (min)
    • 220 V
    • 230 V
  • Output operation voltage (max)
    • 415 V
    • 230 V

Side by side

Differences highlightedShow differences only
66 specifications
A

CyberPower

HSTP3T20KEBCWOB uninterruptible power supply (UPS) Double-conversion (Online) 20 kVA

Model HSTP3T20KEBCWOB

View product
B

Ewent

EW3946 uninterruptible power supply (UPS) Line-Interactive 0.6 kVA

Model EW3946

View product
Features10 differ
UPS topologyDiffersDouble-conversion (Online)Line-Interactive
Output power capacityDiffers20 kVA0.6 kVA
Output powerDiffers18000 W360 W
WaveformDiffersPure sineSine
Input operation voltage (min)Differs220 V230 V
Input operation voltage (max)Differs415 V230 V
Input frequency50/60 Hz50/60 Hz
Output operation voltage (min)Differs220 V230 V
Output operation voltage (max)Differs415 V230 V
EfficiencyKnown for one95%
Efficiency (ECO mode)Known for one98%
Efficiency (Battery mode)Known for one95%
Power factorKnown for one0.9
Input power factorKnown for one0.99
Power Factor Correction (PFC) typeKnown for oneActive
Crest factorKnown for one3:1
ECO modeKnown for oneYes
Total Harmonic Distortion (THD) (linear load)Known for one1%
Total Harmonic Distortion (THD) (non-linear load)Known for one5.5%
EMI/RFI noise filteringKnown for oneYes
Noise levelKnown for one58 dB
Power protection featuresDiffersOverloadOvercharge, Overdischarge, Overload, Short circuit
Audible alarm(s)YesYes
Audible alarm modesDiffersFault, Low battery alarm, Overload alarmAlarm when on battery, Fault, Low battery alarm, Overload alarm
Maximum number of paralleling UPSsKnown for one4
Automatic Voltage Regulation (AVR)Known for oneYes
Maximum currentKnown for one10 A
Surge energy ratingKnown for one125 J
Transfer time (Line Mode to Battery Mode)Known for one6 ms
Surge protectionKnown for oneYes
Ports & interfacesidentical
Serial interfaceKnown for oneYes
Serial interface typeKnown for oneRS-485
RS-232 portsKnown for one1
Emergency Power Off (EPO) connectorKnown for oneYes
AC outlet typesKnown for oneC13 coupler, Type F
AC outlets quantityKnown for one1 AC outlet(s)
Number of type F outputsKnown for one1
Batteryidentical
Typical backup time at full loadKnown for one7 min
Typical backup time at half loadKnown for one18 min
Battery capacityKnown for one7 Ah
Battery voltageKnown for one12 V
Number of batteries supportedKnown for one1
Battery weightKnown for one2.02 kg
Design1 differ
Form factorDiffersTowerMini Tower
Product colourBlackBlack
Housing materialKnown for oneMetal
Display typeKnown for oneLCD
LED indicatorsYesYes
International Protection (IP) codeKnown for oneIP20
Operational conditions1 differ
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)Differs-40 - 70 °C-10 - 50 °C
Operating relative humidity (H-H)Known for one0 - 95%
Storage relative humidity (H-H)Known for one0 - 95%
Certificatesidentical
CertificationKnown for oneCE , IEC62040-1 , IEC62040-2
Weight & dimensions4 differ
WidthDiffers350 mm101 mm
DepthDiffers738 mm298 mm
HeightDiffers1335 mm142 mm
WeightDiffers89 kg4.3 kg
Packaging data3 differ
Package widthDiffers490 mm350 mm
Package depthDiffers880 mm143 mm
Package heightDiffers1530 mm121 mm
Package volumeKnown for one106000 cm³
Fuse includedKnown for oneYes
Package weightKnown for one4.54 kg
Other featuresidentical
BypassKnown for oneAutomatic, Manual
Packaging contentidentical
Cables includedKnown for oneInput power cable

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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