3SE51220PB01,POS. SW 56MM, PLAIN PLUNGER, 2NO
3SE51220PC02,POS. SW 56MM, S.S., 2NO/1NC, 3MM
3SE51220PE01,POS.SWITCH,METAL,2NO+1NC,ROLLER
3SE51220PH01,SIRIUS POSITION SWITCH.
【SIEMENS】3SE5122-0QV10,
3SE51221KA00,LIMSW BODY,METAL,1NO+2NC,SLOW,3M
3SE51221LA00,LIMSW BODY,METAL,1NO+2NC,SNAP,3M
【SIEMENS】3SE5122-1QV10,
