TeSys LRD thermal overload relays, 63…80A, class 10A. range: TeSys – product name: TeSys LRD – product or component type: non differential thermal overload relay – device short name: LR3D – relay application: motor protection – product compatibility: LC1D80, LC1D95 – network type: AC, DC – [Ui] rated insulation voltage: 1000 V power circuit conforming to IEC 60947-4-1, 600 V power circuit conforming to CSA, 600 V power circuit conforming to UL.