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Product comparison · 2 uninterruptible power supplies (upss)

APC SC500RM1U uninterruptible power supply (UPS) Line-Interactive 0.5 kVA vs Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA

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  • 24specifications compared
  • 18differ
  • 6identical
  • 34known for one product only

Key differences

The Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA has 1.5 kVA more output power capacity than the APC SC500RM1U uninterruptible power supply (UPS) Line-Interactive 0.5 kVA (2 kVA vs 0.5 kVA). The Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA has 1,700 W more output power than the APC SC500RM1U uninterruptible power supply (UPS) Line-Interactive 0.5 kVA (2000 W vs 300 W). The APC SC500RM1U uninterruptible power supply (UPS) Line-Interactive 0.5 kVA has 30 V more input operation voltage (min) than the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA (120 V vs 90 V). UPS topology: Line-Interactive on the APC SC500RM1U uninterruptible power supply (UPS) Line-Interactive 0.5 kVA, Double-conversion (Online) on the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA. AC outlets quantity: 4 AC outlet(s) on the APC SC500RM1U uninterruptible power supply (UPS) Line-Interactive 0.5 kVA, 3 AC outlet(s) on the Dahua Technology DH-PFM3355-2000L uninterruptible power supply (UPS) Double-conversion (Online) 2 kVA.

  • UPS topology
    • Line-Interactive
    • Double-conversion (Online)
  • Output power capacity
    • 0.5 kVA
    • 2 kVA
  • Output power
    • 300 W
    • 2000 W
  • Input operation voltage (min)
    • 120 V
    • 90 V
  • Response time
    • 6 ms
    • 4 ms
  • AC outlets quantity
    • 4 AC outlet(s)
    • 3 AC outlet(s)
  • Battery voltage
    • 12 V
    • 72 V
  • Product colour
    • Black
    • Black, Grey

Side by side

Differences highlightedShow differences only
58 specifications
A

APC

SC500RM1U uninterruptible power supply (UPS) Line-Interactive 0.5 kVA

Model SC500RM1U

View product
B

Dahua Technology

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

Model DH-PFM3355-2000L

View product
Features5 differ
UPS topologyDiffersLine-InteractiveDouble-conversion (Online)
Output power capacityDiffers0.5 kVA2 kVA
Output powerDiffers300 W2000 W
WaveformKnown for onePure sine
Input operation voltage (min)Differs120 V90 V
Input operation voltage (max)Known for one300 V
Input frequency50/60 Hz50/60 Hz
Output operation voltage (max)Known for one230 V
Output frequencyKnown for one50 Hz
Maximum currentKnown for one12 A
Response timeDiffers6 ms4 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
Output operation voltage (min)Known for one120 V
Surge energy ratingKnown for one400 J
Noise levelKnown for one40 dB
Ports & interfaces1 differ
AC outlets quantityDiffers4 AC outlet(s)3 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
AC outlet typesKnown for oneNEMA 5-15R, NEMA 5-15P
Power plugKnown for oneNEMA 5-15P
USB portKnown for oneYes
Battery1 differ
Battery technologyLead-AcidLead-Acid
Battery voltageDiffers12 V72 V
Battery capacityKnown for one7 Ah
Battery life (max)Known for one5 year(s)
Battery recharge timeKnown for one5 h
Design1 differ
Form factorRackmountRackmount
Product colourDiffersBlackBlack, Grey
Housing materialKnown for oneMetal, Plastic
Cable lengthKnown for one1.5 m
Cooling typeKnown for oneActive
Display typeKnown for oneLCD
LED indicatorsYesYes
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%
Operating altitudeKnown for one0 - 3000 m
Non-operating altitudeKnown for one0 - 15240 m
Packaging contentidentical
Rack mount kitKnown for oneYes
Cables includedKnown for oneRS-232, Input power cable
ManualKnown for oneYes
Certificatesidentical
CertificationKnown for oneCE 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
Weight & dimensions3 differ
WidthDiffers440 mm482.6 mm
DepthDiffers268 mm429.2 mm
HeightDiffers44 mm88 mm
Weight8.1 kg8.1 kg
Packaging data4 differ
Package widthDiffers500 mm570 mm
Package depthDiffers333 mm540 mm
Package heightDiffers140 mm185 mm
Package weightDiffers8.7 kg10.8 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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