Definitions, assigned performance data, out-of-phase breaking current tests.
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BS 5311-7:1976
Original price was: $264.16.$132.00Current price is: $132.00.
Specification for a.c. circuit-breakers of rated voltage above 1 kV-The testing of circuit-breakers with respect to out-of-phase switching
BSI Group , 08/31/1976


