Westinghouse REL644276R Thermal Overload Relay

Westinghouse REL644276R is a non-compensated thermal overload relay (MPN REL644276R) that provides motor overload protection for industrial motor starters and contactors. It is designed for starter or panel mounting and integrates into control panels or motor control centers to protect conveyors, pumps, compressors, HVAC equipment, and manufacturing machinery from overload and thermal damage. Construction is electromechanical with thermal overload protection, suitable for industrial environments; common replacements include Westinghouse WR Series Thermal Overload Relay, Eaton XTOD Thermal Overload Relay, and Siemens 3RU Series Thermal Overload Relay.