IEC-61811-53 › Complete Document History
Part 53: Blank Detail Specification - Electromechanical All-Or-Nothing Telecom Relays of A


Obsolete Revision Information:
   REPLACED BY IEC-61811-1 - WITHDRAWN IN 2015 - Jan. 28, 2015
   2ND EDITION - ASSESSED QUALITY - TWO CHANGE- - March 1, 2002
   1ST EDITION - TWO CHANGE-OVER CONTACTS, 14 M - Oct. 1, 1997