AS 2989-1992

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

Standards Australia , 01/01/1992

Publisher: AS

File Format: PDF

$18.00$36.00

Description

Standard By:Standards Australia , 01/01/1992

Published:01/01/1992

Pages:10

File Size:1 file , 85 KB

Language:English

Note:This product is unavailable in Ukraine, Russia, Belarus

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.