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Overload Relays
Overload Relays are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many overload relay manufacturers including ABB, Carlo Gavazzi, Eaton, Schneider Electric, Siemens & more.
Overload relays are protective devices designed to safeguard motors and other electrical equipment from damage caused by sustained overcurrent conditions. They monitor current flow and automatically trigger a control action when excessive current persists beyond acceptable operating limits, helping prevent overheating, insulation failure, and costly equipment downtime. Widely used in industrial automation systems, overload relays contribute to improved equipment reliability, operational safety, and long-term system performance.
Applications: Overload relays are commonly used in motor starters, conveyor systems, pumps, compressors, manufacturing equipment, HVAC systems, and industrial machinery to protect motors and connected equipment from overload conditions.
Common Types: Common overload relay types include thermal overload relays, electronic overload relays, solid-state overload relays, bimetallic overload relays, and motor protection overload relays designed for a variety of industrial control applications.
Selection requirements: Choosing an overload relay requires evaluating motor full-load current, trip class, overload protection range, reset method, environmental conditions, coordination with motor starters, and applicable protection requirements to ensure reliable operation in industrial applications.
