Pegasus Actuators5mm square (Item number: PN-12054045) https://www.pegasus-actuators.com/fileadmin/user_upload/products/accessories/Lever/PA-UL-101/drawing_PA-UL-101_PN-12054045.pdf
Pegasus Actuators(Item number: PN-14850011) https://www.pegasus-actuators.com/pa-control-2.html
Pegasus Actuators with RS485 data protocol), "With Industrial D-type connector