For switching, control, isolation and protection of low-voltage electrical lines. Can be fitted with auxiliaries. Supplied with:. M5 terminal for In ≤ 50 A and M8 range for In > 50 A. Fixing screws. Insulating shields (2 for 3P and 3 for 4P). Fixed thermal and magnetic. Conform to IEC 60947-2, in compliance with NEMA.