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Products like the TeSys LRD series thermal overload relays offer settings for currents and voltages up to 690V AC.
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Examples include LRD07 (16-25A), LRD08TQ (2.5-4A), LRD15306 (23-28A), and LR3D12 (5.5-8A) thermal overload relays designed for motor circuit protection with temperature compensation and trip indication.
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These devices protect motors from overload by sensing heat generated by motor current and disconnecting power accordingly.
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Thermal overload relays are part of industrial motor starters and control panels, not simple one-time thermal cutoffs like thermal fuses.
