Dummy contact block, Harmony XB4, for head 16mm without pins for PCB, Schneider Electric, Mfr#: ZBE000$1.75+
Single contact block, Harmony XB4, silver alloy, spring clamp terminal, 1NC, Schneider Electric, Mfr#: ZBE1025$13.29+
Double contact block, Harmony XAC, spring return, front mounting, single speed CO, Schneider Electric, Mfr#: XESD1181$106.99+