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  • BS 4794-2.20(1982) : 1982

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    SPECIFICATION FOR CONTROL SWITCHES SWITCHING DEVICES INCLUDING CONTACTOR RELAYS, FOR CONTROL AND AUXILIARY CIRCUITS, FOR VOLTAGES UP TO AND INCLUDING 1000 V A.C. AND 1200 V D.C.

    Available format(s):  Hardcopy, PDF

    Superseded date:  31-08-1992

    Language(s):  English

    Published date:  01-01-1982

    Publisher:  British Standards Institution

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    Abstract - (Show below) - (Hide below)

    Gives special requirements for position switches with positive opening operation. Describes characteristics and requirements relevant to positive opening break contact element(s) of position switch with positive opening operation. Position switches with positive opening operation shall comply with requirements of Part 1 of this standard, except Addition A II, also with supplementary requirements in this Section of Part 2. Contact elements within position switch, other than positive opening break contact element(s) shall comply with requirements fo Part 1 except Additions A I and A II.

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    Committee PEL/10
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded

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

    BS 6753:1986 Specification for shotbolts (solenoid operated) for guarding machinery
    DEFSTAN 61-15/3(1990) : 1990 AMD 1 1991 PRECAUTIONS AGAINST ELECTRICAL SHOCK IN MAINTENANCE AREAS
    BS 6440:1983 Code of practice for powered lifting platforms for use by disabled persons
    BS 6739:1986 Code of practice for instrumentation in process control systems: installation design and practice
    BS 7262:1990 Specification for automatic safe load indicators
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