TeSys LRD thermal overload relay, 1.6A/690V, thermal setting range 1-1.6A, tripping class 10A, for protection of 3-phase motors 0.55kW@400V.Differential device with phase failure (loss).It provides a thermal adjustement dial, a manual-automatic reset selector, a test selector for simulation of a tripping, reset and stop buttons, a flag indicator and 2 auxiliary contacts 1NO 1NC for fault signalling.Settings are protected by a transparent cover lockable by sealing.Connection by screw clamp terminals, it connects directly to the bottom terminals of 3-pole contactors LC1D09-D38.Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LAD7B106 (to be ordered separately).Multi standards certified (IEC, UL, CSA, CCC, EAC, ATEX, Marine), Green Premium compliant (RoHs/Reach).