Low-voltage switchgear and controlgear; part 4-1: electromechanical contactors and motor-starters; amendment 4 to DIN VDE 0660 part 102; identical with IEC 17B(Secretariat)511
German title
Niederspannung-Schaltgeräte; Teil 4-1: Elektromechanische Schütze und Motorstarter; Änderung 4 zu DIN VDE 0660 Teil 102; Identisch mit IEC 17B(Sec)511
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