Normal auxiliary switch, Can be fitted to the front, Terminal designation differs to that of an auxiliary contact that can be fitted to the side, N/O = Normally open: 1 N/O, N/C = Normally closed: 1 N/C, Push-in terminals, Can be used for: PKZM01, PKZM0, PKZM4, PKZM0-T, PKM0, PKE
