POSITION SWITCH METAL-ENCLOSED 1XM20X1.5 SNAP-ACTION CONTACTS 1NO+1NC ROLLER PLUNGE FORM C WITH 2XLED 24 V AC/DC, GREEN/YEL. WITH CONNECTOR SOCK. 3SY3131 PIN ASSIGN.: PIN1=21, PIN2=22,PIN3=13,PIN4=14 PIN5 NOT USED, PIN6=MASSE TO LEDS: LED GREEN: PLUS AT TERMINAL 13 LED YELLOW: PLUS AT TERMINAL 14 GROUNDING CONNECTION