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Q: Input range for Delta ADP-15FB AC adapter ( Answered 2 out of 5 stars,   0 Comments )
Question  
Subject: Input range for Delta ADP-15FB AC adapter
Category: Computers > Graphics
Asked by: weinmann-ga
List Price: $2.00
Posted: 17 Dec 2002 09:57 PST
Expires: 16 Jan 2003 09:57 PST
Question ID: 126051
Is a Delta Electronics, Inc. AC adapter ADP-15FB REV.F that is marked
as "Input: 100-120V ~0.5A really an autoswitching power supply that
can use 100-240V input? It is also marked as "Input: 100V 50-60Hz 31VA
  Output: 12V 1.25A
Answer  
Subject: Re: Input range for Delta ADP-15FB AC adapter
Answered By: vinods-ga on 19 Dec 2002 23:19 PST
Rated:2 out of 5 stars
 
Hi, 

I scoured the Delta Electronics website. This particular model is not
listed. It may be an OEM manufacture for a specific company's
requirement.

URL [ http://www.deltaww.com ]

If it IS marked "Input: 100-120V ~0.5A" it is definitely not an
auto-switching kind of power supply. You wouldn’t want your expensive
appliance to blow! For safety reasons, you should definitely go for
another model, like ADP-12TBA 12W, 12V@1A 90~264V. This has more than
enough current for your application (your adapter is marked ~0.5A) and
is capable of taking both 110V and 220V.

It would have been much better if I knew what was the appliance you
use this adapter for, including the model number etc. At times, the DC
connector can be different in shape and a general adapter may not fit
the appliance.

The other alternative is to use a step-down transformer to push the
220V AC to 110V AC. There are many available and the only aspect you
should take care of is to ensure that you have a transformer with
enough power rating in Wattage.


Warm regards
Vinods-ga

Search strategy: 
Delta Electronics, Inc. AC adapter ADP-15FB
Delta Electronics, Inc. AC adapter
Within Delta website - no results match

Request for Answer Clarification by weinmann-ga on 20 Dec 2002 14:23 PST
I was able to find out more than you before I posted my question. I
asked because I have not been able to find a definitive answer.:

- There are web sites in both Finland (a technical testing service)
and Singapore (the local government consumer site) that list the Delta
ADP-15FB. There is also a site that appears to be an Argentine listing
of power adapters that lists it. Note that all three countries use
220-230v 50hz.

http://www.fimko.fi/tupa/malli.asp?malliid=53615&sertinro=18461&KNimi=DELTA&langid=1
Kauppanimi: DELTA
Mallimerkintä: ADP-15FB REV..
Tekniset tiedot: 200-240V, 50/60Hz, 0.5A. DC-OUTPUT: 12V 1.25A
Muut tiedot: Class II, ordinary. The symbol in model number may be .B
or .Jxxx, which denotes appliance inlet or .C or .Kxxx which denotes
build-on plug. The last symbols ''xxx'' for Jxxx and Kxxx may be any
alphanumeric character or blank not affecting safety.

From what I can tell here the .. after "REV" is what they mean my the
"symbol in model number" - in my case REV. F, which I assume is a US
plug.

http://www.safety.org.sg/register/search&listing.php?reg_no=ead


- A support person at Delta electronics was not able to give me
specific specifications on this model, but did say that all models he
lists that start with "ADP" are multivoltage 100-240v.


Is it likely that Delta made two models with exactly the same model
number (although there is also a revision number) with some being
100-120v and some being 220-240v? Or is it more likely that they
labled the same 100-240v power supply as 100-120v or 220-240v
depending on the market?

- I specifically did not mention the appliance (an Apple AirPort Base
Station) because I am not looking for a replacement power adapter, but
to see if the one I have can run on 220-240v.

- I already have a step down transformer that I am using now, and have
several sources for possible replacement 220-240 or multivoltage power
supply.

- Since I posted the question I have determined that this is at least
a regulated power supply. I have two stepdown transformers, one that
converts my 230V wall outlets to 130v and one that converts to 125v.
The ADP-15FB converts both to 12.22v DC

So my orignial question remains. Is the ADP-15FB a 100-240v power
supply?

Request for Answer Clarification by weinmann-ga on 20 Dec 2002 14:26 PST
Note that my info came from a Google search for "ADP-15FB" as well as
looking at Delta Electronics sites and trying to contact them.

Clarification of Answer by vinods-ga on 20 Dec 2002 21:12 PST
Hi weimann-ga

Of course, I saw these sites you mention. However, since they did not
contain conclusive evidence of your particular model number, I did not
want to confuse the issue any further. In fact I even found a site
that sells the adapter for some $30.

I felt all of this is not really of consequence. Ths important thing
was that you have an appliance (which may be an expensive one) and I,
if in your place, would not atempt running the appliance on this
adapter. (Instead, if I was so sure, I would run a test on it by
taking it to a workbench and feed gradually increasing voltages while
constantly checking the temperature of the unit.)

I still maintain that if your adapter has markings that say 110V it
must be 110V. Even if it is a mistake, and it can accept 220V, I would
not risk using it. If you are prepared to lose the adapter, you can
try plugging it into a 220V bench supply. It may go up in smoke, it
may not. :)

<<<Is it likely that Delta made two models with exactly the same model
number (although there is also a revision number) with some being
100-120v and some being 220-240v? Or is it more likely that they
labled the same 100-240v power supply as 100-120v or 220-240v
depending on the market?>>>

As for this, only Delta can really answer the question. 

<<- A support person at Delta electronics was not able to give me
specific specifications on this model, but did say that all models he
lists that start with "ADP" are multivoltage 100-240v.>>

As for the site, every adapter listed as of yesterday on the site is a
95~200V AC input adapter.

I will try and find you some definitive information, but I doubt it.
If there was some info that I could get from the 'net, I should have
got it already.

warm regards
vinods-ga
weinmann-ga rated this answer:2 out of 5 stars
Not as complete research as I did on Google myself.

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