This series includes auxiliary contact blocks (models 3RH1911 and 3RH1921) designed for AC contactors. They offer flexible NO/NC contact configurations (from 1NO+1NC up to 4NO) with rated operational currents compliant with AC-15 standards at 230V to 690V. Compact DIN-rail mountable, CE-certified, and compatible with S00/S0/S2/S3 contactor specifications, they ensure reliable auxiliary signaling and control in industrial circuits.

