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BS 5311-3 1976 Edition, August 31, 1976
Complete Document
Superseded By: BS 5311
Specification for a.c. circuit-breakers of rated voltage above 1 kV. Design and construction
Includes all amendments and changes through Change/Amendment , August 31, 1976
Additional Comments: W/D S/S BY BS 5311
Page Count:0
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Requirements for liquids and gases in circuit-breakers, simultaneity of poles, auxiliary equipment, operation, closing, releases, interlocking devices, vent outlets and rating plates.