IEC 60947-4-1:1990 ed1.0

Заменен

Low-voltage switchgear and controlgear. Part 4: Contactors and motor-starters - Section One: Electromechanical contactors and motor-starters — 183 стр.

Описание Изменения Ссылки Версии

IEC 60947-4-1:1990/COR1:1991 ed1.0

Заменен

Low-voltage switchgear and controlgear. Part 4: Contactors and motor-starters - Section One: Electrotechnical contactors and motor-starters — 2 стр.