Possible alternative: 3SE6315-0BB01-1AP0 as of 10.2022 contact-free safety switch RFID rectangular 25 mm x 106 mm family-coded with M12 plug 8-pole delivery status: ready for operation, order actuator separately 3SE6310-0BC01
Siemens - 6DR5111-0NM01-0AA3 SIEMENS SIPART PS2 SMART ELECTROPNEUMATIC POSITIONER FOR PNEUMATIC LINEAR AND PART-TURN ACTUATORS; 2-WIRE; 4...20MA WITH HART-INTERFACE; SINGLE ACTION; ENCLOSURE ALUMINIUM, SMALL . WITHOUT EXPLOSION PROTECTION CONNECTION THREAD EL.: M20X1.5 / PNEU.: 1/4