Product comparison · 2 uninterruptible power supplies (upss)

APC BackUPS ES 500, UK vs APC PowerStack 450VA Standby 4xIEC320 19" US

24specifications compared
16differ
8identical
6known for one product only

Key differences

The APC BackUPS ES 500, UK has 0.05 kVA more output power capacity than the APC PowerStack 450VA Standby 4xIEC320 19" US (0.5 kVA vs 0.45 kVA). The APC BackUPS ES 500, UK has 45 W more output power than the APC PowerStack 450VA Standby 4xIEC320 19" US (325 W vs 280 W). The APC PowerStack 450VA Standby 4xIEC320 19" US has 20 J more surge energy rating than the APC BackUPS ES 500, UK (320 J vs 300 J). Replacement battery cartridge: RBC30 on the APC BackUPS ES 500, UK, RBC18 on the APC PowerStack 450VA Standby 4xIEC320 19" US. Product colour: Charcoal on the APC BackUPS ES 500, UK, Black on the APC PowerStack 450VA Standby 4xIEC320 19" US.

Output power capacity
- BackUPS ES 500, UK:0.5 kVA
- PowerStack 450VA Standby 4xIEC320 19" US:0.45 kVA
Output power
- BackUPS ES 500, UK:325 W
- PowerStack 450VA Standby 4xIEC320 19" US:280 W
Surge energy rating
- BackUPS ES 500, UK:300 J
- PowerStack 450VA Standby 4xIEC320 19" US:320 J
Typical backup time at full load
- BackUPS ES 500, UK:2.2 min
- PowerStack 450VA Standby 4xIEC320 19" US:5.9 min
Typical backup time at half load
- BackUPS ES 500, UK:9.3 min
- PowerStack 450VA Standby 4xIEC320 19" US:19.4 min
Replacement battery cartridge
- BackUPS ES 500, UK:RBC30
- PowerStack 450VA Standby 4xIEC320 19" US:RBC18
Product colour
- BackUPS ES 500, UK:Charcoal
- PowerStack 450VA Standby 4xIEC320 19" US:Black
Weight
- BackUPS ES 500, UK:3.41 kg
- PowerStack 450VA Standby 4xIEC320 19" US:10.2 kg

Side by side

Differences highlightedShow differences only

Comparison of BackUPS ES 500, UK, PowerStack 450VA Standby 4xIEC320 19" US
30 specifications	A APC BackUPS ES 500, UK View product	B APC PowerStack 450VA Standby 4xIEC320 19" US View product
Features3 differ
Output power capacityDiffers	0.5 kVA	0.45 kVA
Output powerDiffers	325 W	280 W
Surge energy ratingDiffers	300 J	320 J
Emergency Power Off (EPO)Known for one	Unknown — not stated by the source	Yes
Noise levelKnown for one	Unknown — not stated by the source	38 dB
Audible alarm(s)	Yes	Yes
Battery3 differ
Typical backup time at full loadDiffers	2.2 min	5.9 min
Typical backup time at half loadDiffers	9.3 min	19.4 min
Replacement battery cartridgeDiffers	RBC30	RBC18
Battery technologyKnown for one	Sealed Lead Acid (VRLA)	Unknown — not stated by the source
Design2 differ
Product colourDiffers	Charcoal	Black
CompatibilityDiffers	CE, EN 50091-1, EN 50091-2	C-tick, CE, EN 50091-1, EN 50091-2, GOST, PCBC, VDE
Cable lengthKnown for one	1.83 m	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)	-15 - 45 °C	-15 - 45 °C
Operating relative humidity (H-H)	0 - 95%	0 - 95%
Storage relative humidity (H-H)	0 - 95%	0 - 95%
Operating altitude	0 - 3000 m	0 - 3000 m
Weight & dimensions1 differ
WeightDiffers	3.41 kg	10.2 kg
Packaging data1 differ
Package weightDiffers	4.09 kg	12.1 kg
Logistics data1 differ
Products per palletDiffers	144.00 pc(s)	24.00 pc(s)
Other features5 differ
Battery typeKnown for one	Unknown — not stated by the source	Lead-Acid
InterfaceDiffers	USB	DB-9 RS-232
Output connectionsDiffers	BS 1363	(4) IEC 320 C13 (2) IEC Jumpers
Input connection typeDiffers	British BS1363A	IEC-320 C14
Dimensions (WxDxH)Differs	453 x 110 x 81 mm	445 x 330 x 44 mm
Nominal input voltage	230 V	230 V
Nominal output voltage	230 V	230 V
Package dimensions (WxDxH)Differs	562 x 141 x 102 mm	578 x 445 x 159 mm
I/O portsKnown for one	Unknown — not stated by the source	(4) IEC 320 C13 (2) IEC Jumpers IEC-320 C14

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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