BS 775-2 74th Edition, September 30, 1974
Contactors Part 2: A.C. Contactors for Voltages Above 1 kV and up to and Including 12 kV
Includes all amendments and changes through Amendment 1, February 1977
Additional Comments: W/D S/S BY BS EN 60740
Published By:British Standards Institution (BSI)
Definition, classification, nameplates, operating conditions, constructon and tests.