Input - 100V 50-60Hz 30VA / Output DC12V 1.2A (Japanese AC Adapter)

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HTChong

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Sep 12, 2013
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10,510
I have just received a Japanese electrical appliance which is rated at 100V and come supplied with the above AC Adapter.
I live in Australia which uses 240V and I know I cannot plug it in directly.
Can anyone please tell me if I can use which of the followings:

1. AC DC Adapter Input 240V 50Hz / Output DC12V ----1.2A

2. Input 100V-240V 1.0A max 50-60Hz / Ouput +12V ---1.25A

3. Switching Adapter
Input 200-240V 50/60Hz 0.3A
Output +12V --- 1A

4. Switching AC/DC Power Adapter
Input AC 100-240v 50/60 Hz 0.2A
Output DC 12V 0.5A

Thank you for your help.
 
Solution
Onus
It looks to me as though #1 or #2 would work, IF the tip polarity is the same.
Numbers 3 and especially 4 do not appear to provide enough current, so they'd probably overload and pop, melt, burn, and/or start a fire.
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H

HTChong

Honorable
Sep 12, 2013
2
0
10,510


I have checked the tip polarity and both are similar especially #1. I will go for #1.
Centre Positive
"Indicates that the centre (tip) of the output plug is Positive (+) and the barrel of the output plug is Negative (-)."

Thank you Onus. I have learned something today.
 
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Onus

Onus

Titan
Jan 27, 2006
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89,965
The output of the adapter is DC, which means it has (+) and a (-) terminals. If it is one of those circular tips, the outer ring is one terminal, and the inner pin is the second. There should be a marking on the original adapter which shows which terminal is (-) and which is (+). Make sure the replacement is the same.

Edit: Ah, I see you got it while I was "distracted" by work. Cool beans.
 
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