Yes, I meant another standard specific to power supplies, compliance to which would without a doubt include SELV rating. -Dave
-----Original Message----- From: John Woodgate [mailto:[email protected]] Sent: Thursday, September 04, 2014 9:05 AM To: [email protected] Subject: Re: [PSES] SELV/PELV power supplies In message <b6e430c12b7c42449d6e6f3a8a6cc...@bn1pr08mb059.namprd08.prod.outlook.com> , dated Thu, 4 Sep 2014, "Nyffenegger, Dave" <[email protected]> writes: >The main question is whether the supplies meet the SELV criteria for >keeping the output voltage limited under the internal fault condition >if they claim compliance with UL 508 and EN 60950-1 but do not >specifically mention anything about meeting SELV. The supplies must meet the insulation requirements to claim any sort of compliance at all. The voltage requirements under single-fault conditions would be extra; probably they would be met but it's not certain. > >Or to re-phrase the other question, is there another standard that >also specifically meets the requirements for SELV? You mean another standard for complete power supplies? > You could look at standards in the IEC/EN 61204 series. See: http://www.iec.ch/dyn/www/f?p=103:22:0::::FSP_ORG_ID:1414 on the public part of the IEC web site. -- OOO - Own Opinions Only. With best wishes. See www.jmwa.demon.co.uk Quid faciamus nisi sit? John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) 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]> - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) 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]>
