Instantaneous auxiliary contact block for TeSys D and TeSys F contactors. It has 2 NO dust and moisture protected contacts with a rated voltage up to 125 V AC and 30 V DC, 2 ground terminals for shielded cables, connection via screw terminals. Easy clip-on mounting on the front, for high reliability and durability. It has several standards (IEC, UL, CSA, CCC) as well as Green Premium compliance (RoHs/Reach).