The ABB T4H 250 Thermal Overload Relay is a motor-protection device used in electrical control systems to interrupt current when a motor overheats. This unit is referenced as ABB | T4H 250, aligning with the T4H 250 thermal overload relay family. Designed to safeguard motor windings and drive systems from overload and excessive temperature, it serves as a critical protective component in panels and motor circuits.
