Product comparison · 2 uninterruptible power supplies (upss)

APC Back-UPS LS 500VA vs Trust 550VA UPS PW-4055T

5specifications compared
5differ
0identical
26known for one product only

Key differences

The Trust 550VA UPS PW-4055T has 0.05 kVA more output power capacity than the APC Back-UPS LS 500VA (0.55 kVA vs 0.5 kVA). The Trust 550VA UPS PW-4055T has 16.4 min more typical backup time at full load than the APC Back-UPS LS 500VA (20 min vs 3.6 min). The Trust 550VA UPS PW-4055T has 2.58 kg more weight than the APC Back-UPS LS 500VA (4.36 kg vs 1.78 kg). Package dimensions (WxDxH): 213 x 328 x 290 mm on the APC Back-UPS LS 500VA, 385 x 140 x 225 mm on the Trust 550VA UPS PW-4055T.

Output power capacity
- Back-UPS LS 500VA:0.5 kVA
- 550VA UPS PW-4055T:0.55 kVA
Typical backup time at full load
- Back-UPS LS 500VA:3.6 min
- 550VA UPS PW-4055T:20 min
Weight
- Back-UPS LS 500VA:1.78 kg
- 550VA UPS PW-4055T:4.36 kg
Package weight
- Back-UPS LS 500VA:8.32 kg
- 550VA UPS PW-4055T:4.7 kg
Package dimensions (WxDxH)
- Back-UPS LS 500VA:213 x 328 x 290 mm
- 550VA UPS PW-4055T:385 x 140 x 225 mm

Side by side

Differences highlightedShow differences only

Comparison of Back-UPS LS 500VA, 550VA UPS PW-4055T
31 specifications	A APC Back-UPS LS 500VA View product	B Trust 550VA UPS PW-4055T View product
Features1 differ
Output power capacityDiffers	0.5 kVA	0.55 kVA
Output powerKnown for one	315 W	Unknown — not stated by the source
Input frequencyKnown for one	50/60 Hz	Unknown — not stated by the source
Surge energy ratingKnown for one	420 J	Unknown — not stated by the source
Audible alarm(s)Known for one	Yes	Unknown — not stated by the source
Battery1 differ
Typical backup time at full loadDiffers	3.6 min	20 min
Typical backup time at half loadKnown for one	14.1 min	Unknown — not stated by the source
Battery recharge timeKnown for one	7 h	Unknown — not stated by the source
Hot-swap batteryKnown for one	Yes	Unknown — not stated by the source
Designidentical
Cable lengthKnown for one	1.8 m	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Black
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	-15 - 45 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	0 - 3000 m	Unknown — not stated by the source
Safety regulation & standardsidentical
SafetyKnown for one	UL,/FCC/CE/C-Tick	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	CSA/FCC Part 15 Class B/FCC Part 68/UL 1778	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	1.78 kg	4.36 kg
Packaging data1 differ
Package weightDiffers	8.32 kg	4.7 kg
Other features1 differ
Output connectionsKnown for one	7 x NEMA 5-15R	Unknown — not stated by the source
Input connection typeKnown for one	NEMA 5-15P	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	127 x 201 x 239 mm	Unknown — not stated by the source
Nominal input voltageKnown for one	120 V	Unknown — not stated by the source
Nominal output voltageKnown for one	120 V	Unknown — not stated by the source
Operating temperature (T-T)Known for one	0 - 40 °F	Unknown — not stated by the source
Package dimensions (WxDxH)Differs	213 x 328 x 290 mm	385 x 140 x 225 mm
Non-operating relative humidity (non-condensing)Known for one	0 - 95%	Unknown — not stated by the source
Weight (imperial)Known for one	7.17 kg (15.8 lbs)	Unknown — not stated by the source
Minimum system requirementsKnown for one	Unknown — not stated by the source	Wall power connection.

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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