at the risk of duplicating...
Belden Wire & Cable 800-235-3361 2200 U. S. 27 South Richmond, IN http://www.belden.com or try Dan [very knowledgeable] at MWS Wire Industries 31200 Cedar Valley Drive Westlake Village, CA., 91362 http://www.mwswire.com Phone: 818-991-8553 | Fax: 818-706-0911 [email protected] - Robert - On Tue, 14 Feb 2006 09:49:42 -0500 (EST) Arthur Michael <[email protected]> wrote: > Hello All, > > I have run into a wall and seek your collective guidance. > > Background: > EN 60335-1 references EN 61558-1 (Transformers), which > references EN > 61558-2-17 (SMPS Transformers) > > I'm trying to source triple-insulated wire that meets > Annex K of EN > 61558-1 (2005). Annex K is titled, Insulated winding > wires for use as > multiple layer insulation". > > Annex K of EN-61558-1 is similar to Annex U of EN 60950-1 > but the > requirements are more stringent than specified in EN > 61558-1. > > For those unfamiliar with this type of wire, it is used > to reduce the > mandated creepage and clearances in Switch Mode Power > Supply transformers > and yields a much smaller transformer for a given rating. > That's its claim > to fame. > > ----- > > To my knowledge, tri-insulated wire is manufactured by: > > Furukawa > Rubadue * > Virgina Insulated Products * > > * Requires stripping, which the transformer manufacturer > is not fond of - > they seek wire meeting this requirement - which does not > need stripping of > insulation. > > I cannot find evidence that any of them meet the Annex K > requirements > of EN 61558-1 > ----- > > There must be someone out in this World who manufactures > such wire - but I > can't find them. Helppppppppppppppppp me - please. > > Vendors - please contact me directly. > > ThanX and regards, Art Michael > > A.E. Michael, Dir. of Engineering > PSI > 166 Congdon St. East > Middletown CT 06457-2107 U.S.A. > > Phone : (860) 344-1651 > Fax : (860) 346-9066 > Email : [email protected] > Website: http://www.safetylink.com > - 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

