PREASSEM. COMBINATION POS.METAL 1XM20X1.5 WITHOUT OPERATING HEAD SNAP-ACTION CONTACTS 1NO+1NC WITH 2XLED 24 V AC/DC, GREEN/YELLOW WITH UNIT CONNECT. 3SY3131 PIN ASSIGN.: PIN1=21, PIN2=22,PIN3=13,PIN4=14 PIN5 NOT USED, PIN6=GROUND, TO LEDS: LED GREEN: PLUS TO TERMINAL 13 LED YELLOW: PLUS AT TERMINAL 14 GROUNDING CONNECTION