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BSI BS 2538:1954

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 lightin
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.
SDO BSI: British Standards Institution
Document Number 2538
Publication Date Nov. 25, 1954
Language en - English
Page Count 8
Revision Level
Supercedes
Committee W/-
Publish Date Document Id Type View
Nov. 25, 1954 BS 2538:1954 Revision