LR9F7579 is a TeSys™ LR9F electronic overload relay from Schneider Electric to be mounted independently or directly beneath a TeSys™ F contactor. With a thermal setting range 300 to 500 A, a tripping class 20 and phase unbalance detection, it protects motors 200 to 250 kW at 400 V. It provides manual test, stop & reset buttons, trip auxiliary 1NO+1NC contacts and flag indicator. Available worldwide, it is multi-standards certified (IEC, UL, CSA, CCC) and Green Premium compliant (RoHS/Reach).