Product comparison · 2 uninterruptible power supplies (upss)

APC ISVT20KF3B4S uninterruptible power supply (UPS) 20 kVA vs Vertiv Liebert GXT3 1000VA/900W

6specifications compared
5differ
1identical
29known for one product only

Key differences

Output power capacity
- ISVT20KF3B4S uninterruptible power supply (UPS) 20 kVA:20 kVA
- Liebert GXT3 1000VA/900W:1 kVA
Output power
- ISVT20KF3B4S uninterruptible power supply (UPS) 20 kVA:16000 W
- Liebert GXT3 1000VA/900W:900 W
Battery recharge time
- ISVT20KF3B4S uninterruptible power supply (UPS) 20 kVA:5 h
- Liebert GXT3 1000VA/900W:3 h
Product colour
- ISVT20KF3B4S uninterruptible power supply (UPS) 20 kVA:Grey
- Liebert GXT3 1000VA/900W:Black
Weight
- ISVT20KF3B4S uninterruptible power supply (UPS) 20 kVA:536.8 kg
- Liebert GXT3 1000VA/900W:20 kg

Side by side

Differences highlightedShow differences only

Comparison of ISVT20KF3B4S, Liebert GXT3 1000VA/900W
35 specifications	A APC ISVT20KF3B4S uninterruptible power supply (UPS) 20 kVA Model ISVT20KF3B4S View product	B Vertiv Liebert GXT3 1000VA/900W View product
Features2 differ
Output power capacityDiffers	20 kVA	1 kVA
Output powerDiffers	16000 W	900 W
Input frequency	40/70 Hz	40/70 Hz
Emergency Power Off (EPO)Known for one	Yes	Unknown — not stated by the source
Noise levelKnown for one	58 dB	Unknown — not stated by the source
Audible alarm(s)Known for one	Yes	Unknown — not stated by the source
Output operation voltage (min)Known for one	Unknown — not stated by the source	110 V
Output operation voltage (max)Known for one	Unknown — not stated by the source	127 V
Battery1 differ
Battery recharge timeDiffers	5 h	3 h
Typical backup time at full loadKnown for one	Unknown — not stated by the source	30 min
Typical backup time at half loadKnown for one	Unknown — not stated by the source	12 min
Design1 differ
Product colourDiffers	Grey	Black
Form factorKnown for one	Unknown — not stated by the source	Rackmount
Rack capacityKnown for one	Unknown — not stated by the source	2U
Cable lengthKnown for one	Unknown — not stated by the source	3 m
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-50 - 40 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	cUL Listed,ISO 14001,ISO 9001,UL 1778	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	536.8 kg	20 kg
WidthKnown for one	Unknown — not stated by the source	430 mm
DepthKnown for one	Unknown — not stated by the source	497 mm
HeightKnown for one	Unknown — not stated by the source	85 mm
Other featuresidentical
Battery typeKnown for one	VRLA	Unknown — not stated by the source
InterfaceKnown for one	DB-9 RS-232, Smart-Slot	Unknown — not stated by the source
Output connectionsKnown for one	1x Hard Wire 5-wire (3PH + N + G) 1x Screw Terminals	Unknown — not stated by the source
Input connection typeKnown for one	Hard Wire 5-wire (3PH + N + G)	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	523 x 925 x 1499 mm	Unknown — not stated by the source
Nominal input voltageKnown for one	208 V	Unknown — not stated by the source
Package dimensions (WxDxH)Known for one	650 x 1062 x 1643 mm	Unknown — not stated by the source
Number of phasesKnown for one	Unknown — not stated by the source	1
Ports & interfacesidentical
AC outlet typesKnown for one	Unknown — not stated by the source	NEMA 5–15R
Power plugKnown for one	Unknown — not stated by the source	NEMA 1-15P
AC outlets quantityKnown for one	Unknown — not stated by the source	6 AC outlet(s)

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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