Best Seller | SIEMENS 3RH1921-2XA22-0MA0 Auxiliary Switch, 2NO/2NC Auxiliary Switch, Number of Contacts 4, Mounting Front, Number of Normally Open Contacts 2, Number of Normally Closed Contacts 2, Terminal Connection Type Screw Clamp Terminals, Compatible with Series SIRIUS 3RT1 Contactors, Frame Size S0, NEMA Size... ... more SIEMENS 3RH1921-2XA22-0MA0 Auxiliary Switch, 2NO/2NC Auxiliary Switch, Number of Contacts 4, Mounting Front, Number of Normally Open Contacts 2, Number of Normally Closed Contacts 2, Terminal Connection Type Screw Clamp Terminals, Compatible with Series SIRIUS 3RT1 Contactors, Frame Size S0, NEMA Size... | | $34.49 go to store |