BS 3101:1959
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification. Intrinsically-safe remote-control circuits associated with restrained plugs and sockets for use in coal mines
Hardcopy
31-12-1986
English
07-02-1966
Design and operating conditions to ensure that remote-control units distant from gate-end boxes can be used with any gate-end box whose circuit complies with the specification. Essential components with reference to basic circuit; limits of voltage, current, resistance, temperature in relation to circuit as a whole. Apparatus to operate on plane within 15° of horizontal.
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