DS/EN 60947-6-1+Corr.:1994 Low-voltage switchgear and controlgear - Part 6 Multiple function equipment - Section one: Automatic transfer switching equipment
2006DS/EN 60947-6-1:2006 Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment
1995DS/EN 60947-6-1/A1:1995 Low-voltage switchgear and controlgear- Part 6: Multiple function equipment - Section one: Automatic transfer switching element
1994DS/EN 60947-6-1+Corr.:1994 Low-voltage switchgear and controlgear - Part 6 Multiple function equipment - Section one: Automatic transfer switching equipment