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BS 2538

1954 Edition, November 25, 1954

Complete Document

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

Includes all amendments and changes through Change/Amendment , November 25, 1954


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W/D NO S/S
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Product Details:

  • Revision: 1954 Edition, November 25, 1954
  • Published Date: November 25, 1954
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 8
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

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.