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  • BSI
    BS 646:1958+A2:2013 Specification for Cartridge fuse-links (rated up to 5 amperes) for a.c. and d.c. service
    Edition: 2013
    $281.30
    / user per year

Description of BS 646:1958+A2:2013 2013

This British Standard relates to cartridge fuse-links of current-ratings up to 5 amperes (hitherto known as Type A fuse-links) intended for use in plugs, and socket-outlet adaptors Text deleted for two-wire circuits of which the declared voltage does not exceed 250 volts a.c. at 50 cycles per second, or 250 volts d.c.

Fuse-links for use in plugs specified in BS 1363 are separately provided for in BS 1362.



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 The requirements for Type B fuse-links previously included in BS 646:1935 have been superseded by BS 2950:1958.

Standard NumberBS 646:1958+A2:2013
TitleSpecification for Cartridge fuse-links (rated up to 5 amperes) for a.c. and d.c. service
StatusConfirmed
Publication Date2013-02-28
DescriptorsDimensions, Rated current, Cartridge fuse-links, Electric plugs, Domestic, Fuses, Socket adaptors, Marking, Fuse-links, Type testing, Electrical testing, Breaking capacity
ICS29.120.50 Fuses and other overcurrent protection devices
CommitteePEL/32
ISBN978 0 580 80053 5
PublisherBSI
Pages14

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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