There are other meanings for this type of notation; typically three-phase stuff. See IEC60038 where scope is not a component power supply.
Brian -----Original Message----- From: John Woodgate [mailto:jmw1...@btinternet.com] Sent: Monday, April 10, 2017 8:39 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Voltage Rating vs Voltage Specification Yes, that means the product works on the lower voltages and to use it on the higher voltages you have to move a switch. There is an IEC standard: IEC 61293 Marking of electrical equipment with ratings related to electrical supply – Safety requirements With best wishes DESIGN IT IN! OOO – Own Opinions Only www.jmwa.demon.co.uk J M Woodgate and Associates Rayleigh England Sylvae in aeternum manent. -----Original Message----- From: Kunde, Brian [mailto:brian_ku...@lecotc.com] Sent: Monday, April 10, 2017 4:25 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Voltage Rating vs Voltage Specification Is something like this allowed? 100-115-120/208-220-230-240 Will a ±10% tolerance always be assumed? If your tolerance was something different, such as -15%/+10%, does this information have to be on the device or is the manual good enough? The Other Brian - ---------------------------------------------------------------- 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 <emc-p...@ieee.org> 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 <sdoug...@ieee.org> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> David Heald: <dhe...@gmail.com>
