Requirements for liquids and gases in circuit-breakers, simultaneity of poles, auxiliary equipment, operation, closing, releases, interlocking devices, vent outlets and rating plates.
BS 5311-3:1976
Original price was: $264.16.$132.00Current price is: $132.00.
Specification for a.c. circuit-breakers of rated voltage above 1 kV-Design and construction
BSI Group , 08/31/1976
