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  • BS 4941-4:1977

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    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    Superseded date:  31-05-1992

    Language(s):  English

    Published date:  31-10-1977

    Publisher:  British Standards Institution

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    mead in conjunction with BS 4941:Part 1.

    General Product Information - (Show below) - (Hide below)

    Committee PEL/17
    Development Note 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
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 6880-1:1988 Code of practice for low temperature hot water heating systems of output greater than 45 kW Fundamental and design considerations

    Standards Referencing This Book - (Show below) - (Hide below)

    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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