... 1.for nearly 20 years experience 2.OEM are welcome. 3.Bimetal & Trimetal contact are our major 4.Quality control ... inspection equipmentsMaterial: can be brass and AgSnO2 ,AGNI,AGCDODiameter: 3-8mm Used generally in undercurrent contact devices, auto switches and ... breaker, heavy –load relay, magnetic starter, vibrator rectifier, etc.3. AgZnO Usage: Mainly used in circuit breakers, especially in ...