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  • BS 787-4:1972

    Current The latest, up-to-date edition.

    Specification for mining type flameproof gate-end boxes Gate-end boxes for drilling machines (for use on 3-phase a.c. circuits up to 650 V)

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  25-01-1972

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Cooperating organizations
    Foreword
    Specification
    1. Scope
    2. Definitions
    3. Service conditions
    4. Ratings
    5. Marking
    6. Design and construction
    7. Tests
    8. Information to be supplied to the manufacturer
         with the enquiry
    Appendix
    A. Metric values
    Figures
    1. Arrangement of busbar chamber end flange,
         terminals and interconnections
    2. Busbar interconnecting trunk
    3. Skid coupling arrangement
    4. Busbar end cover

    Abstract - (Show below) - (Hide below)

    For controlling electrically operated drilling machines. Service conditions; ratings, design, construction and means of protection; test requirements.

    Scope - (Show below) - (Hide below)

    This British Standard specifies requirements for flameproof gate-end boxes designed primarily for use in the mining industry, on 3-phase a.c. circuits up to 650 V, for controlling one or two electrically-operated drilling machines.

    NOTE The titles of the British Standards referred to in this standard are listed on page ii.

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

    Committee W/-
    Development Note Supersedes 70/34177 DC (10/2005) Reviewed and confirmed by BSI, January 2011. (12/2010)
    Document Type Standard
    Publisher British Standards Institution
    Status Current

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

    BS 861-2(1972) : LATEST
    BS 171:1970 Specification for power transformers
    BS 2613(1970) : LATEST ELECTRICAL PERFORMANCE OF ROTATING MACHINES
    BS 3871-1:1965 Specification for miniature and moulded case circuit-breakers Miniature air-break circuit-breakers for a.c. circuits
    BS 587:1957 Specification. Motor starters and controllers
    BS 159:1957 Specification. Busbars and busbar connections
    BS 542:1973 Specification for cable glands and sealing boxes for association with apparatus for use at mines and quarries
    BS 1395(1948) : LATEST 30 AMPERE FLAMEPROOF PLUGS AND SOCKETS AND CABLE COUPLERS
    BS 3101:1959 Specification. Intrinsically-safe remote-control circuits associated with restrained plugs and sockets for use in coal mines
    BS 88(1952) : LATEST CARTRIDGE FUSES FOR VOLTAGES UP TO AND INCLUDING 1000 V a.c. AND 1500 V d.c.
    BS 350:2004 Conversion factors for units
    BS 3871-2(1966) : LATEST SPECIFICATION FOR MINATURE AND MOULDED CASE CIRCUIT BREAKERS - BREAKERS FOR A.C. AND D.C. CIRCUITS
    BS 3454:1984 Specification for 1.9/3.3 kV, 300 A bolted flameproof cable couplers and adaptors (including 380/660 V and 640/1100 V, 300 A adaptors), primarily for use in mines
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