Barry, You have a great point. It doesn't just apply to Information Technology Equipment. I apologize for using the term "ITE" loosely.
I feel (don't know) that the lowering of the current limit from 16A per phase (one of the main differences between IEC 555-2, 3 and IEC 1000-3-2,3) was aimed at the proliferation of ITE and consumer products. Someone at IEC realized that there could be a cumulative effect of harmonic currents. However, the scope of the standards is very broad. It can be interpreted to include anything that uses an electron :-) I felt that the commitee that wrote EN 61326-1 actually looked at the difference between Class A and Class B equipment within EN 61326-1 and consciously left the harmonics and flicker limits out of the Class A requirements. This was confirmed by Norm Provost's reply to the thread. He participated in the writing and development of the standard. I think that you have a valid point in that EN 61326-1 treated EN 61000-3-2 and 61000-3-3 as "Basic Standards" as opposed to "Product Standards". I never considered that point of view before your email. But I want to know more. Now that I have conceded that I used "ITE" incorrectly, could I get an explanation of what makes IEC 1000-3-2 and IEC 1000-3-3 a "Product Standard" as opposed to a "Basic Standard"? Thanks, Chris Maxwell, Design Engineer GN Nettest Optical Division 109 N. Genesee St. Utica, NY 13502 PH: 315-797-4449 FAX: 315-797-8024 EMAIL: [email protected] > -----Original Message----- > From: Barry Ma [SMTP:[email protected]] > Sent: Tuesday, March 28, 2000 12:40 PM > To: [email protected] > Cc: [email protected]; [email protected]; [email protected] > Subject: RE: EN61326-1 Harmonics > > Hi Chris, > > Would you please prove that two product family standards 3-2 and 3-3 are > only applicable to ITE? > > Thanks. > Barry Ma > [email protected] > ---------- > On Tue, 28 March 2000, "Maxwell, Chris" wrote: > > ..... > > My understanding of the scope of EN 61000-3-2 and EN 61000-3-3 > > is that it is targeting Information Technology Equipment (ITE). > > Much of the equipment under EN 61326-1 is not ITE. > ..... > > > > ____________________________________________________________________ > > For the largest MP3 index on the Web, go to http://mp3.altavista.com > > ____________________________________________________________________ ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Jim Bacher: [email protected] Michael Garretson: [email protected] For policy questions, send mail to: Richard Nute: [email protected]
