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About This Item

 

Full Description

Specifies requirements for an assembly which incorporates a high voltage circuit breaker and an isolating device. It is limited to systems below ground at voltages up to and including 11 000 V a.c. The necessary provisions for isolation, safety earthing and regulatory inspection and testing procedures are also included.
 

Document History

  1. AS/NZS 4871.2:2010


    Electrical equipment for mines and quarries, Part 2: Distribution, control and auxiliary equipment

    • Most Recent
  2. AS/NZS 4871.2:2002


    Electrical equipment for coal mines, for use underground, Part 2: Distribution, control and auxiliary equipment

    • Historical Version
  3. AS 2989-1992


    Electrical equipment for coal mines - Specific requirements for high voltage circuit-breakers and disconnectors

    • Historical Version
  4. AS 2989-1987

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    Electrical equipment for coal mines- High voltage circuit breaking and isolating devices for voltages up to 11 000 V a.c.

    • Historical Version
  5. AS 2989-1987 AMDT 1


    Amendment 1, to AS 2989-1987

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. AS 2989-1987 AMDT 1


    Amendment 1, to AS 2989-1987