What it is and where it lands in a panel
The Omron G3CN-202P1-DC3-28 is a panel-mount solid state relay from the G3CN series, listed under the Solid State Relays category and rated at a 2 A output in the description line. Solid state relays of this class sit between a low-power control signal and a load circuit — switching the load without a moving armature, so they suit applications where mechanical relay contact wear or arcing would be a concern in a control panel or OEM machine build.