There may be something in the fact that 61000-6-4 is an IEC generated
document and the 50081-2 is a CENELEC generated document that never had an
IEC equivalent.

Bob Heller
3M EMC Laboratory, 76-1-01
St. Paul, MN 55107-1208
Tel:  651- 778-6336
Fax:  651-778-6252
=======================================================


                                                                              
                                                        
                      Nick Williams                                           
                                                        
                      <nick.williams@conform       To:      
[email protected]                                               
                      ance.co.uk>                  cc:                        
                                                        
                      Sent by:                     Subject:  Generic
industrial EMC standards                                          
                      owner-emc-pstc@majordo                                  
                                                        
                      mo.ieee.org                                             
                                                        
                                                                              
                                                        
                                                                              
                                                        
                      07/23/2003 09:48 AM                                     
                                                        
                      Please respond to Nick                                  
                                                        
                      Williams                                                
                                                        
                                                                              
                                                        
                                                                              
                                                        





Could someone please explain the relationship between EN 50081-2 and
EN 50082-2, and the newer standards EN 61000-6-2 and EN 61000-6-4?

In particular, how is it that the OJ listing published on 26 of March
of this year (and the one before) lists EN 50081-2:1993 and gives no
details of a superseding standard, yet the same list also contains EN
61000-6-4 against which EN 50081-2:1993 is listed as the superseded
standard with a DOCOPOCOSS of 1.7.2004.

For practical purposes, are the any differences between these
standards, or is this primarily a re-badging exercise to suite the
tidy mind of someone in CENELEC?

Regards

Nick.


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