---------- >From: George, David L TR >To: emc-p...@ieee.org; Pat Lawler >Subject: RE: IEC1000-3-2: proposal for Class E? >Date: Wednesday, April 16, 1997 3:15PM > > > >Pat: >Class E limits would be for equipment greater than 1000 watts. Class E >limits are contained in IEC document SC77A/164/CD. It has been commented >on by national committees and the results will be discussed at the next WG1 >meeting starting on 24 April 1997. > >A previous draft from SC77A/WG1 contained a definition for professional >equipment for the first time. It is repeated in the above committee >document. The definition is "equipment for use in trades, professions, or >industries and which is not intended for sale to the general public. The >application shall be specified by the manufacturer." This definition was >modified by the last sentence because of the TC74/WG9 negotiations with >SC77A. > > >As additional information, TC74 will make a presentation at that meeting >for limits specific for Information technology equipment. We are proposing >a Class F. The limits proposed are contained in TC74/436/CDV. > >If you need additional questions you can call me on 610 648 3653. > >Dave George >Convenor TC74/WG9 > ---------- >>From: Pat Lawler >>To: emc-p...@ieee.org >>Subject: IEC1000-3-2: proposal for Class E? >>Date: Tuesday, April 15, 1997 10:07PM >> >> >>From: Pat Lawler >>To: emc-p...@ieee.org >>Subject: IEC1000-3-2: proposal for Class E? >>Date: 1997-04-15 22:07 >>Priority: 3 >> >>---------------------------------------------------------------------------
> --- >> >>In the current issue of 'Compliance Engineering' magazine, the >>Newswatch column mentions a proposal to ammend IEC1000-3-2, adding >>another class of harmonic current limits known as 'Class E'. >>Equipment described as "professional equipment powered by less than >>1000 watts" would be covered by these new limits. >> >>Does anyone know what 'professional equipment' is, and what the Class >>E limits would be? >> >>Pat Lawler >>plaw...@west.net >> >
