TeSys Deca time delay auxiliary contact block, for contactors LC1D, LC1F and control relays CAD. It provides 1NO+1NC contacts rated up to 10A 690V AC, Off-delay setting range 1-30s, connection by screw clamp terminals. A delay of 40ms is ensured between opening of NC contact and closing of NO contact. Clip-on front mounting, it procures high reliability and durability. Multi standards certified (IEC, UL, CSA, CCC, EAC).