Low-voltage switchgear and controlgear - Part 4: Conntactors and motor-starters; section 1: Electromechanical contactors and motor-starters (IEC 60947-4-1:1990/A1:1994); German version EN 60947-4-1:1991/A1:1995
German title
Niederspannung-Schaltgeräte - Teil 4: Schütze und Motorstarter; Hauptabschnitt 1: Elektromechanische Schütze und Motorstarter (IEC 60947-4-1:1990/A1:1994); Deutsche Fassung EN 60947-4-1:1991/A1:1995
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