BSI BS 2538:1954

Current Revision
Specification for air-cooled flameproof single-phase lighting transformer units supplied from high voltage systems

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BSI BS 2538:1954

Specification for air-cooled flameproof single-phase lighting transformer units supplied from high voltage systems

PUBLISH DATE 1954
PAGES 8
BSI BS 2538:1954

Specification for air-cooled flameproof single-phase lighting

Transformer units for supply voltages of 2200, 2750, or 3300 volts with ratings of 2.5 kVA and 5 kVA mainly for roadway lighting in mines.

It specifies standard voltages, ratings, provision for earthing, primary isolating switch, protective fuses, particulars of temperature limits, and a series of tests.

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