IEC-60725 Complete Document History
Consideration of reference impedances and public supply network impedances for use in determining the disturbance characteristics of electrical equipment having a rated current ≤75 A per phase

Complete Current Edition:
   EDITION 3.0 - determining the disturbance characteristics of electrical eq - June 27, 2012

Obsolete Revision Information:
   2ND EDITION - determining the disturbance characteristics of electrical eq - May 1, 2005