Product comparison · 2 uninterruptible power supplies (upss)

CyberPower OP1250 uninterruptible power supply (UPS) 1.25 kVA vs Vertiv Liebert PSI PS750

22specifications compared
16differ
6identical
48known for one product only

Key differences

Output power capacity
- OP1250 uninterruptible power supply (UPS) 1.25 kVA:1.25 kVA
- Liebert PSI PS750:0.75 kVA
Output power
- OP1250 uninterruptible power supply (UPS) 1.25 kVA:750 W
- Liebert PSI PS750:675 W
Input frequency
- OP1250 uninterruptible power supply (UPS) 1.25 kVA:60 Hz
- Liebert PSI PS750:50/60 Hz
Surge energy rating
- OP1250 uninterruptible power supply (UPS) 1.25 kVA:1796 J
- Liebert PSI PS750:220 J
Typical backup time at half load
- OP1250 uninterruptible power supply (UPS) 1.25 kVA:13 min
- Liebert PSI PS750:11 min
Battery recharge time
- OP1250 uninterruptible power supply (UPS) 1.25 kVA:8 h
- Liebert PSI PS750:5 h
Form factor
- OP1250 uninterruptible power supply (UPS) 1.25 kVA:Tower
- Liebert PSI PS750:Rackmount/Tower
Operating temperature (T-T)
- OP1250 uninterruptible power supply (UPS) 1.25 kVA:0 - 35 °C
- Liebert PSI PS750:0 - 40 °C

Side by side

Differences highlightedShow differences only

Comparison of OP1250, Liebert PSI PS750
70 specifications	A CyberPower OP1250 uninterruptible power supply (UPS) 1.25 kVA Model OP1250 View product	B Vertiv Liebert PSI PS750 View product
Features4 differ
UPS topologyKnown for one	Unknown — not stated by the source	Line-Interactive
Output power capacityDiffers	1.25 kVA	0.75 kVA
Output powerDiffers	750 W	675 W
WaveformKnown for one	Unknown — not stated by the source	Sine
Input operation voltage (min)Known for one	Unknown — not stated by the source	165 V
Input operation voltage (max)Known for one	Unknown — not stated by the source	300 V
Input frequencyDiffers	60 Hz	50/60 Hz
Output operation voltage (max)Known for one	Unknown — not stated by the source	240 V
Output frequencyKnown for one	Unknown — not stated by the source	50/60 Hz
Surge energy ratingDiffers	1796 J	220 J
Response timeKnown for one	Unknown — not stated by the source	4 ms
Number of input phasesKnown for one	Unknown — not stated by the source	1
Number of output phasesKnown for one	Unknown — not stated by the source	1
Power factorKnown for one	Unknown — not stated by the source	0.9
Output power factorKnown for one	Unknown — not stated by the source	0.9
Emergency Power Off (EPO)Known for one	Unknown — not stated by the source	Yes
Noise levelKnown for one	Unknown — not stated by the source	45 dB
Surge protection	Yes	Yes
Audible alarm(s)	Yes	Yes
EMI/RFI noise filteringKnown for one	Yes	Unknown — not stated by the source
Ports & interfacesidentical
AC outlet typesKnown for one	Unknown — not stated by the source	IEC 320, C13 coupler
Power plugKnown for one	Unknown — not stated by the source	C14 coupler
AC outlets quantityKnown for one	Unknown — not stated by the source	8 AC outlet(s)
Number of output IEC jumpersKnown for one	Unknown — not stated by the source	9
USB portKnown for one	Unknown — not stated by the source	Yes
USB 2.0 ports quantity	1	1
RS-232 portsKnown for one	Unknown — not stated by the source	1
Serial ports quantity	1	1
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
Battery2 differ
Battery technology	Sealed Lead Acid (VRLA)	Sealed Lead Acid (VRLA)
Battery capacityKnown for one	Unknown — not stated by the source	7.2 VAh
Battery voltageKnown for one	Unknown — not stated by the source	12 V
Number of batteries supportedKnown for one	Unknown — not stated by the source	2
Typical backup time at half loadDiffers	13 min	11 min
Battery recharge timeDiffers	8 h	5 h
Hot-swap batteryKnown for one	Unknown — not stated by the source	Yes
Typical backup time at full loadKnown for one	4 min	Unknown — not stated by the source
Design1 differ
Form factorDiffers	Tower	Rackmount/Tower
Product colour	Black	Black
Cooling typeKnown for one	Unknown — not stated by the source	Active
International Protection (IP) codeKnown for one	Unknown — not stated by the source	IP20
Cable lengthKnown for one	1.828 m	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 35 °C	0 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-15 - 40 °C
Operating relative humidity (H-H)Differs	0 - 95%	0 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 90%
Operating altitudeKnown for one	Unknown — not stated by the source	0 - 3000 m
Certificates1 differ
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationDiffers	UL1778, cUL, FCC DOC Class B, ROHS	CE
Safety regulation & standardsidentical
SafetyKnown for one	Unknown — not stated by the source	IEC/EN/AS 62040-1-1
Weight & dimensions4 differ
WidthDiffers	139.7 mm	440 mm
DepthDiffers	317.5 mm	412 mm
HeightDiffers	184.2 mm	88 mm
WeightDiffers	14.1 kg	15 kg
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	560 mm
Package depthKnown for one	Unknown — not stated by the source	595 mm
Package heightKnown for one	Unknown — not stated by the source	228 mm
Package weightKnown for one	Unknown — not stated by the source	18.2 kg
Bundled softwareKnown for one	PowerPanel Plus	Unknown — not stated by the source
Other features2 differ
Battery typeDiffers	BB 12V/9AH	VRLA
Nominal input voltageKnown for one	Unknown — not stated by the source	220-240 V
Nominal output voltageDiffers	120 V	230 V
Overload protectionKnown for one	Unknown — not stated by the source	Yes
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	560 x 595 x 228 mm
Output connectionsKnown for one	8 x NEMA 5-15R	Unknown — not stated by the source
Input connection typeKnown for one	NEMA 5-15P	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows 200x, Server, XP, Vista, Windows 7	Unknown — not stated by the source
Management platformKnown for one	SNMP, HTTP	Unknown — not stated by the source

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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