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.Cross References:BS 88BS 171BS 229BS 542
BS 2538:1954
Original price was: $160.02.$80.00Current price is: $80.00.
Specification for air-cooled flameproof single-phase lighting transformer units supplied from high voltage systems
BSI Group , 11/25/1954
Pages: 8



