Specifies characteristics and operating conditions, to ensure that components of control units both local and remote from the supply and control unit are interchangeable. Provides for optional interlock circuits and resistor proving systems.Cross References:BS 1259Mines and Quarries Act, 1954Health and Safety at Work etc. Act 1974
Original price was: $160.02.$80.00Current price is: $80.00.
Specification for control and interlock circuits primarily associated with flameproof restrained plugs and sockets for use in coal mines
BSI Group , 12/31/1986
Pages: 10
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