TeSys K auxiliary relay for usage categories AC-15 up to 690 V and DC-13 up to 600 V. It features 4 contacts (3 normally open + 1 normally closed), a 230 V 50/60 Hz AC coil with integrated suppression, and connection via spring-loaded terminals. It is designed for demanding applications with high operating speeds of up to 10,000 cycles/hour and offers high reliability and durability. Certified to multiple standards (IEC, UL, CSA, CCC, EAC, Marine), compliant with Green Premium (RoHS/REACH).