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Old 15.11.2012, 15:56
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Re: US appliances vs Swiss voltage- a tutorial with pictures!

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Not in my experience, but they will turn 17.6% slower, which makes a big difference if it's pumping the jets in your Jacuzzi!

Tom
I guess it depends on the quality of the motor and how near it is running to its limit as a lower frequency of AC could result in a higher current draw and extra heating. Couple this reduced speed and hence reduced cooling from a derived cooling fan/effect and the motor's life could be greatly reduced.

Perhaps your fan pumps are running well below their limit or, they actually burnt out ages ago and something else in the water is producing all the bubbles?
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