I read in !emc-pstc that Ron <[email protected]> wrote (in <00d501c1309e$f4
[email protected]>) about 'Medical application-Isolation
voltage', on Wed, 29 Aug 2001:
>
>I have a medical application that requires "double insulation" from the
>Mains to an "applied part" according to IEC60601.  IEC60601 states that for
>a reference voltage of 250v and double insulation, the test voltage is 4000v
>for 1 min.  I am assuming that the voltages are RMS values.

Yes, unless another measure is specified. Look carefully: it may be a
peak value.
>
>How does one go about meeting the 4000v test when the highest rated ac-dc
>converter I can find is 3500v RMS  continuous.
>
Complain to the converter manufacturers that you can't buy their product
because it doesn't meet the standard. It's their problem, not yours!
-- 
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk 
Eat mink and be dreary!

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