IEC-62271-310 Complete Document History
High-voltage switchgear and controlgear - Part 310: Electrical endurance testing for circuit-breakers above a rated voltage of 52 kV

Complete Current Edition:
   EDITION 2.0 - 52 KV, HIGH-VOLTAGE SWITCHGEAR & CONTROLGEAR - March 1, 2008

Obsolete Revision Information:
   1ST EDITION - ABOVE, HIGH- VOLTAGE SWITCHGEA - April 1, 2004