The ABB TF65-53 is an economic and reliable electromechanical thermal overload relay designed for direct mounting on AF40-AF65 block contactors. It provides fast and dependable protection for motors against overloads and phase failures. Key features include temperature compensation, selectable automatic or manual reset, a trip-free mechanism, and clear trip indication. This relay is essential for safeguarding motor performance and preventing damage..The ABB TF65-53 is a thermal overload relay with a current setting range of 44 to 53 A and a trip class of 10. It offers reliable and fast protection for motors against overload and phase failure. The device features temperature compensation, a normally closed (NC) trip contact, a normally open (NO) signal contact, and a selectable automatic or manual reset function. It also includes a trip-free mechanism and a trip indication. The relay is designed for direct connection to block contactors. Its net dimensions are 54.9 mm in width, 101.4 mm in height, and 106.9 mm in depth, with a net weight of 0.372 kg.