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BS 787-1:1969

Current Date published:

Specification for mining type flameproof gate-end boxes, Gate-end boxes for direct-on-line motor starting (for use on 3-phase a.c. circuits up to 650 V)

For boxes with a range of three current ratings, having air-break electrically operated contactor which, with associated equipment, provides for control and protection of coalface machinery. Design and construction; attachment of cables; coupling of units; means of isolation; main contactor; test methods.

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BS 787-1:1969

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