$48.11Original price was: $48.11.$29.00Current price is: $29.00.
Electrical equipment for coal mines- High voltage circuit breaking and isolating devices for voltages up to 11 000 V a.c. standard by Standards Australia, 01/01/1987
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.
