FAQs
IEC 60056-4:1972/AMD2:1977
Amendment 2 - High-voltage alternating-current circuit-breakers - Part 4: Type tests and...
IEC 60056-4:1972/AMD1:1975
Amendment 1 - High-voltage alternating-current circuit-breakers - Part 4: Type tests and...
IEC 60056-4:1972
High-voltage alternating-current circuit-breakers - Part 4: Type tests and routine tests
IEC 60056-4:1972+AMD1:1975+AMD2:1977 CSV
IEC 60056-4:1959/AMD1:1965
Amendment 1 - IEC specification for alternating current circuit-breakers - Chapter 4: Rules for...
IEC 60056-4:1959
IEC specification for alternating current circuit-breakers - Chapter 4: Rules for the erection...
IEC 60056-3:1971/AMD1:1975
Amendment 1 - High-voltage alternating-current circuit-breakers - Part 3: Design and...
IEC 60056-3:1971
High-voltage alternating-current circuit-breakers - Part 3: Design and construction
IEC 60056-3:1971+AMD1:1975 CSV
