Cross References:BS 4727BS 7638BS 7639Replaced by PD IEC TR 60909-1:2002 but remains current.
BS PD 7639-1:1994
Original price was: $350.52.$175.00Current price is: $175.00.
Short-circuit current calculation in three-phase a.c. systems-Factors for the calculation of short-circuit currents in three-phase a.c. systems according to BS 7639
BSI Group , 04/15/1994
Pages: 80



