LRD21 is a TeSys® LRD thermal overload relay from schneider electric for direct mounting on TeSys® D contactors. With a thermal setting range 12 to 18 A, a tripping class 10A and phase unbalance detection, it protects motors 7.5 kW at 400 V. It provides manual test & reset buttons, automatic reset, trip auxiliary contact and flag indicator. Available worldwide, it is multi standard certified (IEC, UL, CSA, CCC, EAC, Marine) and green premium compliant (RoHS/Reach).