IEC-60077-3 Complete Document History
Railway applications - Electric equipment for rolling stock - Part 3: Electrotechnical components - Rules for DC circuit-breakers

Complete Current Edition:
   EDITION 2.0 - Rules for DC circuit-breakers - Oct. 1, 2019

Obsolete Revision Information:
   1ST EDITION - Part 3: Electrotechnical components - Rules for d.c. circuit-breakers - Dec. 1, 2001