... Cu bimetal rivetThis contact includes AgCdO10, AgCdO12.,AgCdO15 and this kind of electrical contact has one of the most important materials in ... 900 degrees,CdO sublimes,which cools the contactor surface and reduces arc energy and extinguishments.In addition,existence of cadmium oxide will ... automatic switch flash relays,,auxiliary switch series,timers starters,breakers and leakers protective switches.