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AmamaxÃ‚® Wall Adapter Power Supply - 12V DC 2A, 5.5mm - 2.1mm UL Listed

Q: How long is \the cable?; couldn't find this info

Mine measures about 4' 9'' or a meter and a half.

Q: Is the 12 vdc output regulated?

With an input voltage from 100V to 250V there has to be a regulator, but how it reacts to load and what the ripple is, is anyone's guess. I'm using it to drive electronics for a year now and have not had any issues.

Q: what is the Open circuit voltage

The open circuit voltage on my unit is 11.97 Volts. That's close enough for me to call it a 12 V supply BUTmy unit does NOT supply a constant 12 V when it is loaded. It drops to 10.5 volts with 500 mA load. The voltage is 10 volts at 1 Amp.I hooked up some dummy load resistors and ran my unit overnight with a 1 Amp load and it did not get hot. You could definitely tell that it was working.I wouldn't recommend running one at full load all the time. If you want a true 12 volt output to supply a load of ~1 Amp you will need to get a device that has a much higher output current rating. My unit indicates I would not get a 12 volt output even if it is only supplying half the rated current.

Q: Is it energy efficient when the load is disconnected or turned off?

Little units like this will consume small amts of power just by being plugged in. I have measured similar ones in size that used 1 watt and 0.06 amps while in standby mode, no load applied. No big deal in itself but if you have dozens of these all over the house it can add up, but still a small amt of your over all usuage. If you want to save, just unplug things when not in use. Hope this helps

Product ID: 625860346

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Description

AmamaxÃ‚® Wall Adapter Power Supply - 12V DC 2A, 5.5mm - 2.1mm UL Listed

Specifications

Manufacturer	Amamax
Brand	Amamax
Item Weight	3.52 ounces
Product Dimensions	3 x 3 x 2 inches
Item model number	51-KDP3-A0P5
Is Discontinued By Manufacturer	No
Size	12V 2A
Manufacturer Part Number	12V2A

Have a Question? See What Others Asked

How long is \the cable?; couldn't find this info

Is the 12 vdc output regulated?

what is the Open circuit voltage

Is it energy efficient when the load is disconnected or turned off?

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¥6797

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TrustScore 4.5 | 7,300+ reviews

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