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Product comparison · 2 uninterruptible power supplies (upss)

NGS Fortress Bunker vs Vertiv Liebert PSL-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA

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  • 10specifications compared
  • 6differ
  • 4identical
  • 35known for one product only

Key differences

  • UPS topology
    • Standby (Offline)
    • Line-Interactive
  • Output power capacity
    • 0.6 kVA
    • 1.5 kVA
  • Output power
    • 350 W
    • 900 W
  • AC outlet types
    • Type F
    • NEMA 5-15R
  • AC outlets quantity
    • 6 AC outlet(s)
    • 8 AC outlet(s)

Side by side

Differences highlightedShow differences only
45 specifications
A

NGS

Fortress BunkerView product
B

Vertiv

Liebert PSL-1500 uninterruptible power supply (UPS) Line-Interactive 1.5 kVA

Model PSL-1500

View product
Features4 differ
UPS topologyDiffersStandby (Offline)Line-Interactive
Output power capacityDiffers0.6 kVA1.5 kVA
Output powerDiffers350 W900 W
WaveformKnown for oneSine
Input operation voltage (min)Known for one92 V
Input operation voltage (max)Known for one145 V
Input frequencyKnown for one50/60 Hz
Output operation voltage (min)Known for one99 V
Output operation voltage (max)Known for one132 V
Output frequencyKnown for one50/60 Hz
Output voltage regulationKnown for one1%
Response timeKnown for one10 ms
Number of input phasesKnown for one1
Number of output phasesKnown for one1
Noise levelKnown for one40 dB
Power protection featuresDiffersOverload, Short circuitBattery discharge, Over voltage, Overload, Short circuit, Under voltage
Audible alarm(s)Known for oneYes
Audible alarm modesKnown for oneAlarm when on battery, Battery replacement, Low battery alarm
Automatic Voltage Regulation (AVR)Known for oneYes
EMI/RFI noise filteringKnown for oneYes
Surge protectionKnown for oneYes
Ports & interfaces2 differ
AC outlet typesDiffersType FNEMA 5-15R
AC outlets quantityDiffers6 AC outlet(s)8 AC outlet(s)
USB portKnown for oneYes
USB 2.0 ports quantityKnown for one1
USB port typeKnown for oneUSB Type-B
Ethernet LAN (RJ-45) portsKnown for one2
Batteryidentical
Battery capacityKnown for one9 Ah
Number of batteries supportedKnown for one2
Typical backup time at full loadKnown for one55 min
Battery recharge timeKnown for one6 h
Cold startKnown for oneYes
Designidentical
LED indicatorsKnown for oneYes
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Storage temperature (T-T)Known for one-20 - 50 °C
Operating relative humidity (H-H)Known for one0 - 90%
Storage relative humidity (H-H)Known for one0 - 90%
Weight & dimensionsidentical
WidthKnown for one146 mm
DepthKnown for one397 mm
HeightKnown for one205 mm
WeightKnown for one11.1 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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