72nd Edition, August 31, 1972
Rules for the Preparation of Detail Specifications for All-Or-Nothing Electromechanical Relays of Assessed Quality - Full and Basic Assessment Levels
Includes all amendments and changes through Reaffirmation Notice , June 15, 1986
Superseded By: BS EN 116205/206/207
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Description / Abstract:
Lists the ratings, characteristics, inspection requirements and supplementary information for all-or-nothing electromechanical relays of assessed quality which are required to be included as minimum mandatory requirements, in addition to that required by the general rules given in Section 2 of BS 9150 in any detail specification for these relays.