Product comparison · 2 uninterruptible power supplies (upss)

APC Smart-UPS VT 20kVA 400V vs Vertiv Liebert PSA 500VA UPS

6specifications compared
4differ
2identical
15known for one product only

Key differences

The APC Smart-UPS VT 20kVA 400V has 19.5 kVA more output power capacity than the Vertiv Liebert PSA 500VA UPS (20 kVA vs 0.5 kVA). The APC Smart-UPS VT 20kVA 400V has 15,700 W more output power than the Vertiv Liebert PSA 500VA UPS (16000 W vs 300 W). The APC Smart-UPS VT 20kVA 400V has 128 kg more weight than the Vertiv Liebert PSA 500VA UPS (134 kg vs 6 kg). Dimensions (WxDxH): 352 x 812 x 823 mm on the APC Smart-UPS VT 20kVA 400V, 95 x 356 x 171 mm on the Vertiv Liebert PSA 500VA UPS.

Output power capacity
- Smart-UPS VT 20kVA 400V:20 kVA
- Liebert PSA 500VA UPS:0.5 kVA
Output power
- Smart-UPS VT 20kVA 400V:16000 W
- Liebert PSA 500VA UPS:300 W
Weight
- Smart-UPS VT 20kVA 400V:134 kg
- Liebert PSA 500VA UPS:6 kg
Dimensions (WxDxH)
- Smart-UPS VT 20kVA 400V:352 x 812 x 823 mm
- Liebert PSA 500VA UPS:95 x 356 x 171 mm

Side by side

Differences highlightedShow differences only

Comparison of Smart-UPS VT 20kVA 400V, Liebert PSA 500VA UPS
21 specifications	A APC Smart-UPS VT 20kVA 400V View product	B Vertiv Liebert PSA 500VA UPS View product
Features2 differ
Output power capacityDiffers	20 kVA	0.5 kVA
Output powerDiffers	16000 W	300 W
Input frequencyKnown for one	Unknown — not stated by the source	50 Hz
Surge energy ratingKnown for one	Unknown — not stated by the source	220 J
Noise levelKnown for one	Unknown — not stated by the source	45 dB
Audible alarm(s)Known for one	Unknown — not stated by the source	Yes
Emergency Power Off (EPO)Known for one	Yes	Unknown — not stated by the source
Batteryidentical
Battery recharge timeKnown for one	Unknown — not stated by the source	8 h
Designidentical
Product colour	Black	Black
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-15 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 90%
Weight & dimensions1 differ
WeightDiffers	134 kg	6 kg
Other features1 differ
Battery type	VRLA	VRLA
Dimensions (WxDxH)Differs	352 x 812 x 823 mm	95 x 356 x 171 mm
Output connectionsKnown for one	1 x Hard Wire 4-wire (3PH + G) 1 x Hard Wire 5-wire (3PH + N + G) 1 x 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
Nominal input voltageKnown for one	400 V	Unknown — not stated by the source
Package dimensions (WxDxH)Known for one	720 x 1110 x 1290 mm	Unknown — not stated by the source
Packaging dataidentical
Package weightKnown for one	173 kg	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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