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I have an appliance designed for 110/120v. It says it runs peak at 1200 watts, but I can't find yet any mention of Amps. I'll be using it in Europe at 220/240v, if it is possible.

I understand I can get a converter, but from what I've read it isn't just as simple as getting a 220/240 => 110/120 volt transformer. Or is it?

How do you calculate this?

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  • \$\begingroup\$ I'm sorry, but consumer electronics are off topic here per the faq. \$\endgroup\$
    – user17592
    Apr 12, 2013 at 18:10
  • \$\begingroup\$ Fair enough, but this is more a question about converting volts. \$\endgroup\$
    – Bob
    Apr 12, 2013 at 18:22
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    \$\begingroup\$ After your edit, it isn't anymore indeed. We'd like to see some reference on "what I've read" though. Could you add a source? \$\endgroup\$
    – user17592
    Apr 12, 2013 at 18:23
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    \$\begingroup\$ What you need is called an autotransformer that it rated for the load that you want to use it for (watts). \$\endgroup\$ Apr 12, 2013 at 18:45

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Amps * Voltage = Watts. So 10 A * 120 V = 1200 W. Alternately 5 A * 240 V = 1200 W. So you need a transformer or converter rated for 5 A on the 240 V side and 10 A on the 120 V side.

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  • \$\begingroup\$ That is what I was wondering! Thank you heaps Brian. \$\endgroup\$
    – Bob
    Apr 12, 2013 at 21:53

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