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Homepage>BS Standards>29 ELECTRICAL ENGINEERING>29.120 Electrical accessories>29.120.50 Fuses and other overcurrent protection devices>BS 646:1958+A2:2013 Specification for Cartridge fuse-links (rated up to 5 amperes) for a.c. and d.c. service
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BS 646:1958+A2:2013 Specification for Cartridge fuse-links (rated up to 5 amperes) for a.c. and d.c. service

BS 646:1958+A2:2013

Specification for Cartridge fuse-links (rated up to 5 amperes) for a.c. and d.c. service

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Standard number:BS 646:1958+A2:2013
Pages:14
Released:2013-02-28
ISBN:978 0 580 80053 5
Status:Standard
DESCRIPTION

BS 646:1958+A2:2013


This standard BS 646:1958+A2:2013 Specification for Cartridge fuse-links (rated up to 5 amperes) for a.c. and d.c. service is classified in these ICS categories:
  • 29.120.50 Fuses and other overcurrent protection devices

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 30268415_img1 Text deleted 30268415_img2 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 The requirements for Type B fuse-links previously included in BS 646:1935 have been superseded by BS 2950:1958.