NF C63-082:1987 LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR FOR INDUSTRIAL USE. INDUCTIVE PROXIMITY SWITCHES. FORM C,FOR ALTERNATING CURRENT,2 TERMINALS. (EUROPEAN STANDARD EN 50 037).
1987NF C63-082:1987 LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR FOR INDUSTRIAL USE. INDUCTIVE PROXIMITY SWITCHES. FORM C,FOR ALTERNATING CURRENT,2 TERMINALS. (EUROPEAN STANDARD EN 50 037).