Specification for motor starters for voltages up to and including 1000 V a.c. and 1200 V d.c. Reduced voltage a.c. starters, two-step auto-transformer starters

Available format(s)

Hardcopy , PDF

Superseded date

31-05-1992

Superseded by

BS EN 60947-4-1:1992
BS EN 60947-4-1 : 2010

Language(s)

English

Published date

31-10-1977

Publisher

British Standards Institution

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mead in conjunction with BS 4941:Part 1.

Committee	PEL/17
DevelopmentNote	REPLACES THE REQUIREMENTS FOR REDUCED VOLTAGE a.c. STARTERS, TOW-STEP AUTO-TRANSFORMER STARTERS FOR VOLTAGES UP TO AND INCLUDING 1000 V a.c. IN BS 587: 1957
DocumentType	Standard
Pages	25
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN 60947-4-1:1992 BS EN 60947-4-1 : 2010

Standards	Relationship
IEC 60292-4:1975	Identical

BS 6880-1:1988

Code of practice for low temperature hot water heating systems of output greater than 45 kW Fundamental and design considerations

BS 4794-1:1973	Control switches ( switching devices including contractor relays for control and auxiliary circuits up to and including 1000V a.c. and 1200V d.c
BS 5424-1:1977	Specification for controlgear for voltages up to and including 1000 V a.c. and 1200 V d.c. Contactors
BS 4941-1:1979	Specification for motor starters for voltages up to and including 1000 V a.c. and 1200 V d.c. Direct-on-line (full voltage) a.c. starters

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Features

BS 4941-4:1977