BS 646:1958+A2:2013

Non-rewireable fuse-links (formerly Type A) for use in plugs and socket-outlet adaptors to BS 546 for two-wire a.c. or d.c. circuits up to 250 volts. Current ratings, performance, dimensions, marking, type tests (including the testing enclosure for duty tests). The requirements for Type B fuse-links previously included in BS 646:1935 have been superseded by BS 2950:1958.Cross References:BS 88BS 481BS 546BS 1362BS 1363BS 714 BS 1361BS 1454BS 2510BS 2692BS 2950BS 3036 Incorporates the following:AMD 6693 published 31 January 1991Amendment, February 2013. Amends and replaces BS 646:1958