Does this make any sense? Touchscreen 20W consumption, 1.2A

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designer82

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Below is a link to a Dell 22" touchscreen monitor that has a 20W power consumption 1.2A.

How does this make sense. I've noticed this with other computer power components too such as 65W power adapters at 1.5A.


Computers, Monitors & Technology Solutions | Dell USA

Dell provides technology solutions, services & support. Buy Laptops, Touch Screen PCs, Desktops, Servers, Storage, Monitors, Gaming & Accessories
www.dell.com
have to click on "tech specs"

I've attached the pic of the power section for easy reference.

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Image 2-Untitled hosted in ImgBB
ibb.co
 
good question. PF must be very low. or they are describing the max current rather than nominal. It is curious that it is described as 1.2 A for 100 to 240 V too. One would think it would be more at the lower voltage. I see this on industrial power supplies too.

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I doubt it's PF especially for modern devices (which usually have PF correction), more likely its that nobody wants to put a rating of under 1 amp on a device.

Copying from Dell-
Voltage Required
100 to 240 VAC / 50 or 60 Hz ± 3Hz / 1.5 A (typical)
(One amperage number for a 2.4:1 voltage range...... Ohm would have words about that.)

Power Consumption (Operational)
16W (Energy Star)
18W (typical)
52W (maximum)/16W (Energy Star)

52w @ 100v = 1.9 amp
 
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