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.
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Original price was: $36.00.$18.00Current price is: $18.00.
Electrical equipment for coal mines – Specific requirements for high voltage circuit-breakers and disconnectors
Standards Australia , 01/01/1992
Pages: 10
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