It is important to protect the motor from high starting currents, prolonged stalling of the motor and phase failure. The overload protection relay can be configured to match the motor application and provide the needed protection. They are available in thermal and/or electronic tripping mechanism with adjustable dial for setting sensitivity.
The thermal relay also has temperature compensation, operation indication, automatic and manual reset and stop functions.
The product conforms to IEC 60947-4-1.