AS 2989-1992

[Superseded]

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

Specifies the 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 12 000 V a.c. The necessary provisions for isolation, safety earthing and regulatory inspection and testing procedures are also included.

Published: 01/01/1992

Pages: 10

Content history

[Superseded]

[Superseded]

[Superseded]

[Superseded]

AS/NZS 4871.2-2002