SIEMENS » 3SE2120-1GW00-0AF7
POSITION SWITCH METAL-ENCLOSED, TWIST HANDLE FINE ADJUST. 10 TO 10 DEGREES SNAP-ACTION SWITCH 1NO+1NC AND CONNECTOR SOCKET 3SY3131, 6-POLE AND PE PIN ASSIGN.: PIN1=21,PIN2=22, PIN3=13, PIN4=14 PIN5=NOT USED PIN6 MASSE LED PE CONNECTED WITH STAINLESS STEEL ,