Posted for: [email protected]
> -----Original Message----- > From: [email protected] [SMTP:[email protected]] > Sent: Wednesday, January 19, 2000 7:53 AM > To: [email protected] > Cc: [email protected] > Subject: RE: Harmonics Testing > > Gert, > > Does this imply that the current revision will be withdrawn before it > becomes mandatory for CE-marking? If so, how does this affect CE-Marking > requirements in the 1-1-2001 to 1-1-2003 timeframe? Can you elaborate on > what the requirements will be on 1-1-2001 for the following: > > PS < 50w > 50W < PS <75w > PS > 75w > > Is the intent t withdraw the current -2 standard and delay mandatory > testing until 1-1-2003, or will there be mandatory requirements one year > from now? > > Doug Frazee > Regulatory Compliance Manager > Lucent Technologies, Broadband Carrier Networks > [email protected] > > > > > > "cetest" <[email protected]> on 01/19/2000 08:15:27 AM > > Please respond to "cetest" <[email protected]> > > To: "Bruce Touzel" <[email protected]> > cc: "'emc-pstc'" <[email protected]> (bcc: Doug > Frazee/HQ/Yurie) > Subject: RE: Harmonics Testing > > > > > > Bruce ., > > It will be applicable to virtually all equipment exceeding 50 Watt. > The new 3-2 will have of course it's transaction period to 1-1-2003 > (or even longer as some suggest) > > > Gert Gremmen > > cetest, qualified testing > > >-----Original Message----- > >From: Bruce Touzel [mailto:[email protected]] > >Sent: Tuesday, January 18, 2000 11:14 PM > >To: cetest > >Cc: Flinders, Randall; 'emc-pstc' > >Subject: Re: Harmonics Testing > > > > > >Gert, > >Is 3-2 applicable to power supplies of 50W in Jan 1, 2001 ? > >Or is it still 75W in Jan 1, 2001, then 4 years later changed to 50W ? > > > >thanks > >Bruce > > > >cetest wrote: > > > >> I suppose Randy you are concerned about the EN-61000-3-2 instead of the > >> EN 61000-3-3 which is concerned with Flicker testing. > >> > >> Please Note that the 3-2 is currently under revision and prone to > change > >> very soon ! > >> > >> I would select Scenario #1 > >> > >> The 50 watt limit is meant to be used for all equipment, and the > current > >> document TC210-169 (in voting right now) has it's clause modified > >> as such. > >> > >> Strictly read you are right about the application of scenario #2. > >> > >> The current 3-2 is a very bad document, f.a. nothing is said about > >> test times and transitory effects. This will all or partly be covered > >> in the new version. > >> > >> BTW Using scenario #2 it will be hard to exceed any limit at all with > an > >> active input power < 50 watt !!! > >> > >> Gert Gremmen > >> ce-test qualified testing > >> > >> ============================== > >> http://www.cetest.nl > >> Do you know our > >> CE/E mark True type Font ? > >> http://www.cetest.nl/cettf.htm > >> ============================== > >> > >> >-----Original Message----- > >> >From: [email protected] [mailto:[email protected]] > >> >Sent: Tuesday, January 18, 2000 7:12 PM > >> >To: 'emc-pstc' > >> >Subject: Harmonics Testing > >> > > >> > > >> >Greetings EMC Professionals! > >> > > >> >I have a quick question regarding Harmonics testing to > >> >EN61000-3-3. We have an ITE product with a switching power > >> >supply. The product uses about 38 watts input power. According > >> >to the standard, which scenario applies? > >> > > >> >Scenario #1 > >> > > >> >The unit does not need to be tested, because it falls below the > >> >Class D Input power range of 75(50)W to 600W. Section 7.4 of the > >> >standard states that "...No limits apply for equipment with an > >> >active input power up to and including 75W...." > >> > > >> >Scenario #2 > >> > > >> >Since the unit does not use more than 75W (or more than 50W for > >> >that matter), the unit then defaults to the Class A requirements > >> >and therefor must meet the less stringent Class A limits. Section > >> >5 of EN61000-3-3 states: " Class A: Balanced 3-phase equipment > >> >AND ALL OTHER EQUIPMENT, except that stated [in Classes B-D]..." > >> > > >> >So I guess my question is this: when an ITE product with a > >> >switching power supply uses less than 50W (75w), does it become an > >> >exempt Class D Device, or doe sit become a Class A device? > >> > > >> >Your insights would be appreciated..... > >> > > >> > > >> >Regards, > >> > > >> > > >> >Randy Flinders > >> >Chairman > >> >Orange County Chapter > >> >IEEE EMC Society > >> >[email protected] > >> >(714) 513-8012 > >> >(714) 513-8265 Fax > >> > > >> >Note: The opinions expressed herein are personal and in no way > >> >represent the position of the IEEE, The EMC Society, or my employer. > >> > > >> > >> > >------------------------------------------------------------------------ > >> Name: winmail.dat > >> winmail.dat Type: DAT File > >(application/x-unknown-content-type-dat_auto_file) > >> Encoding: base64 > > > > > > --------- > This message is coming from the emc-pstc discussion list. > To cancel your subscription, send mail to [email protected] > with the single line: "unsubscribe emc-pstc" (without the > quotes). 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