Hi Zohar, Did you check C of A (Conditions of Acceptablity) section in UL Test report?
Regards, Warwick --- Zohar Zosmanovich <[email protected]> wrote: > > Hello, > > I have a unit consist of metal enclosure and open > frame AC/DC power supply, > approved to UL/IEC 950. > P.S includes PRI/SEC Transformer marked B/130 (Class > B/130 deg.C). > During Heating Test, transformer winding temperature > exceeds class A limits > (65 deg.C max. temperature rise). There is no > mention about transformer > class in UL report (class of insulation system) or > in TUV certificate (but > the power supply manufacture says it is class B). > > What class should I consider this transformer to be? > > Thanks > > > > Zohar Zosmanovich > Compliance Engineer > RadWin (The Wireless Alternative) Ltd. > > E-mail: [email protected] > RADWIN Ltd. 34 Habarzel St., Tel-Aviv 69710, Israel. > Tel.: 972-3-7666735 Fax.: 972-3-7657535 > > > > > > > > ------------------------------------------- > This message is from the IEEE EMC Society Product > Safety > Technical Committee emc-pstc discussion list. > > Visit our web site at: > http://www.ewh.ieee.org/soc/emcs/pstc/ > > To cancel your subscription, send mail to: > [email protected] > with the single line: > unsubscribe emc-pstc > > For help, send mail to the list administrators: > Michael Garretson: > [email protected] > Dave Heald > [email protected] > > For policy questions, send mail to: > Richard Nute: [email protected] > Jim Bacher: [email protected] > > All emc-pstc postings are archived and searchable on > the web at: > http://www.rcic.com/ click on "Virtual > Conference Hall," > __________________________________________________ Do You Yahoo!? Spot the hottest trends in music, movies, and more. http://buzz.yahoo.com/ ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Michael Garretson: [email protected] Dave Heald [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.rcic.com/ click on "Virtual Conference Hall,"
