IEC-61643-12 Complete Document History
Low-voltage surge protective devices - Part 12: Surge protective devices connected to low-voltage power systems - Selection and application principles

Complete Current Edition:
   EDITION 3.0 - Selection and application principles - May 1, 2020

Obsolete Revision Information:
   EDITION 2.0 - Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles - Nov. 1, 2008
   1ST EDITION - SELECTION & APPLICATION PRINCI - Feb. 1, 2002