Preassembled combination with position switch metal-sealed, single plunger snap-action contacts 1no+1nc 1xm20x1. 5 and connector socket 3sy3131, 6-pole and pe pin alloc. : pin1=21, pin2=22, pin3=13, pin4=14 nc=pin1+2, no=pin3+4 pin5 snd pin6 not used, pe connected