In message <[email protected]>, dated Fri, 4 Jul 2008, CATHERINE PEARSON <[email protected]> writes:
>I have a question on EN 61000-3-2 and the classification of equipment, > >If you have an independent power supply that comes with a number of >connections that can be used to supply power a range of electronic >equipment, e.g., a laptop PC, I pods, Mobile phones, cameras etc. what >class would it come under ? > >>From the standard, the classification for computers should be Class D, >however as the PSU can be used for numerous electronic equipment it >could also come under Class A, classification which is easier to meet. > >What is your view on which class it should come under ? What is the power rating? Most such supplies are below the 75 W lower bound of Class D anyway. The exception would be for a power supply intended specifically for lighting equipment, which would fall into Class C. -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk Either we are causing global warming, in which case we may be able to stop it, or natural variation is causing it, and we probably can't stop it. You choose! 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 [email protected] 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 [email protected] Mike Cantwell [email protected] For policy questions, send mail to: Jim Bacher: [email protected] David Heald: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
