3RF2120-1BG44-1KS0 SIEMENS3RF21201BG441KS0

Semiconductor relay, 1-phase 3RF2 Width 22.5 mm, 20 A 48-460 V / 5 V DC screw terminal Instantaneous switching without control connector

Typ
3RF20-24, 3RF32, 3RF34 Solid-state relays