Depends. If the thermal cut out fails, can the product reach unsafe temperatures? If yes then it is a protective device, if no then it isn't.
A standard that covers thermal cut outs is IEC60730. Thermal links are covered by IEC60691. Regards Chris Colgan EMC & Safety TAG McLaren Audio Ltd mailto:chris.col...@tagmclarenaudio.com > -----Original Message----- > From: jim_bac...@mail.monarch.com [SMTP:jim_bac...@mail.monarch.com] > Sent: 21 September 2000 15:46 > To: Luiz Claudio; 'emc-pstc' > Subject: Re:Protection or Control? > > > forwarding for luizboni...@ig.com.br > > ____________________Reply Separator____________________ > Subject: Protection or Control? > Author: "Luiz Claudio" <luizboni...@ig.com.br> > Date: 9/20/00 9:59 PM > > I have a question to those who are familiar with the safety requirements > established electrical appliance standards. > > A bimetal thermostat is usuallly used to control the temperature of a > certain > ambient within certain limits. Can it also be considered as a protection > device? > I'm not going to give my oppinion to avoid any possibility of biased > answers. > But, please, give your oppinion. > If you have a reference publication which I could use as a reference for a > work > to be presented, please include it in your answer. If not, no problem. > Just give > your oppinion. > > Please answer this message to my personal email address: > luizboni...@ig.com.br > > Thanks a lot, > > Luiz > > ------------------------------------------- > This message is from the IEEE EMC Society Product Safety > Technical Committee emc-pstc discussion list. > > To cancel your subscription, send mail to: > majord...@ieee.org > with the single line: > unsubscribe emc-pstc > > For help, send mail to the list administrators: > Jim Bacher: jim_bac...@mail.monarch.com > Michael Garretson: pstc_ad...@garretson.org > > For policy questions, send mail to: > Richard Nute: ri...@ieee.org > ===================================================== Authorised on 09/21/00 at 14:03:31; code 37f48bf3385FBE9E. ************************************************************** Please visit us at www.tagmclarenaudio.com ************************************************************** The contents of this E-mail are confidential and for the exclusive use of the intended recipient. If you receive this E-mail in error, please delete it from your system immediately and notify us either by E-mail, telephone or fax. You should not copy, forward or otherwise disclose the content of the E-mail. TAG McLaren Audio Ltd The Summit, 11 Latham Road Huntingdon, Cambs, PE29 6ZU Telephone : 01480 415600 (+44 1480 415600) Facsimile : 01480 52159 (+44 1480 52159) ************************************************************** Please visit us at www.tagmclarenaudio.com ************************************************************** ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. To cancel your subscription, send mail to: majord...@ieee.org with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Jim Bacher: jim_bac...@mail.monarch.com Michael Garretson: pstc_ad...@garretson.org For policy questions, send mail to: Richard Nute: ri...@ieee.org