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

Reply via email to