BS 9151:1972

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.Cross References:BS 9000:Part 1BS 9150BS 9152BS 9199Replaced by BS EN 116205/116206/116207:1996 but remains current.Incorporates the following:AMD 3191 published 30 November 1979AMD 4237 published 15 February 1983