TeSys K changeover contactor, 4 poles (4NO), for non-inductive load control applications up to 20A/690V AC-1.It provides 24V 50/60Hz AC coils, without built-in auxiliary contacts, connection by screw clamp terminals.For operating rates until 600 cycles/hour in AC-3 and environments until 50°C, it procures reliability and durability to standard applications.Compact (90mm width), DIN-rail mounting or screw fixing.With pre-wired changeover power connections, mechanical interlock (without electrical interlocking).Multi standards certified (IEC, UL, CSA, CCC, EAC), Green Premium compliant (RoHS/REACh).