BS 5126-4:1993

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BSI

Mining type flameproof supply and control units for use on systems up to 1100 V. Specification for air-cooled transformers to power drilling machines|Electrical testing, Drilling machines, Clearance distances, Transformers, Design, Type d protected electrical equipment, Rated current, Isolator switches, Coal mining, Electric control equipment, Dry-type transformers, Bus-bars, Contactors, Rated frequencies, Rated voltage, Mining equipment, Marking, Gate-end boxes, Electric enclosures, Power transformers, Earthing, Leakage paths, Electrical protection equipment, Dimensions, Protected electrical equipment, Enclosures

186 GBP