Africab ABB Thermal Overload Relay 16.0 … 20.0 Af09… Af38 10 Tf42-20

The TF42-20 thermal overload relay is an economic electromechanical protection device for the main circuit; It offers reliable and fast protection for motors in the event of overload or phase failure; The device has trip class 10; Further features are the temperature compensation, trip contact (NC), signal contact (NO), automatic- or manual reset selectable, trip-free mechanism, STOP function and a trip indication; The overload relays are connected directly to the block contactors; Single mounting kits are available as accessory