In message <004801c8040a$f04818e0$0800a8c0@BEMCSRLAP>, dated Mon, 1 Oct 
2007, "Steve Richardson, Blackwood Labs" 
<srichard...@blackwood-labs.co.uk> writes:

>So if a product is rated 230V then 120% is 276V which implies that a 
>varistor rated at 420V should be used???
>
>Can anybody shed any sense on this?

I'm passing this to a UK person of influence on IEC 60950-1. He may 
reply directly to you, because I shall be travelling for several days.
-- 
OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk
There are benefits from being irrational - just ask the square root of 2.
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK

-

This message is from the IEEE Product Safety Engineering Society
emc-pstc discussion list.    Website:  http://www.ieee-pses.org/

To post a message to the list, send your e-mail to emc-p...@ieee.org

Instructions:  http://listserv.ieee.org/request/user-guide.html

List rules: http://www.ieee-pses.org/listrules.html

For help, send mail to the list administrators:

     Scott Douglas           emcp...@ptcnh.net
     Mike Cantwell           mcantw...@ieee.org

For policy questions, send mail to:

     Jim Bacher:             j.bac...@ieee.org
     David Heald:            emc-p...@daveheald.com

All emc-pstc postings are archived and searchable on the web at:

    http://www.ieeecommunities.org/emc-pstc

______________________________________________________________________
This email has been scanned by the MessageLabs Email Security System.
For more information please visit http://www.messagelabs.com/email 
______________________________________________________________________

Reply via email to