IEC - International Electrotechnical Commission - IEC 60420:1973/AMD2:1977
Amendment 2 - High-voltage alternating current switch-fuse combinations and fuse-circuit-breaker combinations
revised
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| Organization: | IEC - International Electrotechnical Commission |
| Publication Date: | 1 November 1977 |
| Status: | revised |
| Page Count: | 22 |
Document History
October 15, 1990
High-voltage alternating current switch-fuse combinations
This standard applies to three-pole units for public and industrial distribution systems which are functional assemblies of switches including switch-disconnectors and current-limiting fuses and thus...
October 1, 1978
Amendment 3 - High-voltage alternating current switch-fuse combinations and fuse-circuit-breaker combinations
A description is not available for this item.
IEC 60420:1973/AMD2:1977
November 1, 1977
Amendment 2 - High-voltage alternating current switch-fuse combinations and fuse-circuit-breaker combinations
A description is not available for this item.
September 1, 1975
Amendment 1 - High-voltage alternating current switch-fuse combinations and fuse-circuit-breaker combinations
A description is not available for this item.
January 1, 1973
High-voltage alternating current switch-fuse combinations and fuse-circuit-breaker combinations
This standard applies to three-pole units for public and industrial distribution systems which are functional assemblies of switches including switch-disconnectors and current-limiting fuses and thus...