31291 - Mechanical Interlock Lock adapter

The ComPact INS and INV switches are switch-disconnectors with rotary handle. All ComPact INS/INV switch-disconnectors are suitable for isolation as defined in IEC 60947-1 and 3 standards. The mechanical design of the ComPact switches ensures that the handle position always reflects the position of the main contacts; the isolation position corresponds to the O (OFF) position. The operated handle cannot indicate the OFF position when the contacts are open. Locking in the OFF position is not possible when the contacts are open. Utilization category AC21A, AC22A and AC23A.