Active production, S0 auxiliary switch for contactor relays
The 3RH1921-1EA02: It snaps onto the contactor without extra hardware, adding auxiliary contact capacity to the assembly.
Rated currents and contact ratings across voltages
For AC-12 duty, the maximum operational current is 10 A; at 440 V AC the current drops to 0.5 A.
Compliance and reliability benchmarks
The switch provides a mirror contact per IEC 60947-4-1 when used with 3RT1 contactors, enabling fail-safe feedback in safety circuits. Meets RoHS substance prohibition date of July 1, 2006.