International Electrotechnical Commission
IEC: 60947-4-2-2005 ; Low voltage switchgear and controlgear ; Part 4-2 : Contractors and motor - starters AC semiconduconductor motor controllers and starters Consolidated version - 2 - Geneva International Electrotechnical Commission 2002 - 171 - 0
IEC: 60947-4-2-2005 ; Low voltage switchgear and controlgear ; Part 4-2 : Contractors and motor - starters AC semiconduconductor motor controllers and starters Consolidated version - 2 - Geneva International Electrotechnical Commission 2002 - 171 - 0
