Siemens 3RF23 20-1AA02 SIRIUS SC Semiconductor Contactor, Single Phase, Zero-Point Switching, 24-230V Rated Operational Voltage, 20 A Type Current: Motor Contactors: Amazon.com: Industrial & Scientific
Siemens Sirius 3RV29011F Auxiliary Contact Block, Front Mount, 2NO, for Use with 3RV2 Motor Starter Protectors, Screw Terminal: Amazon.com: Industrial & Scientific