The composite contacts to cut down the cost of solid contact, and its material: Silver(Ag) , Silver Nickle ( AgNi ) , Silver Tin Oxide ( AgSnO2 ) , Silver Tin Indium Oxide, Silver Cadmium Oxide ( AgCdO ) , Silver Zinc Oxide ( AgZnO ) , Silver Copper ( AgCu ) etc. They can be used in light switches, magnet switches, micro switches, motor protectors, no fuse breaker, cam switches, etc. Composite contact has high conductivity , good maliieasing & resistance against are erosion etc. In case of pure silver has the highest conductivity but tends to stick and weld. Ag-Ni material has an excellent contact resistance when used for DC contacts.