The Mitsubishi TH-T18KP15A is a solid state overload relay from the TH-T series, classified under Relays and Solid State Overload Relays within the Circuit Breakers, Fuses & Protection top category.
As a solid state overload relay, the TH-T18KP15A protects motor circuits from sustained overcurrent without the mechanical wear of a thermal bimetallic relay. It is used in control panels for motor protection in industrial automation applications.