The ABB TF42-13 thermal overload relay is an economical electromechanical protector for the main circuit, designed to guard motors and other inductive loads in low‑voltage motor circuits. It is part of ABB’s TF42 family and carries the part number 1SAZ721201R1045; this relay has a trip class of 10 with an adjustable current setting range from 10.0 to 13.0 A, and it is rated for a full‑load current of 13 A. It is specified for 480–600 V AC systems, aligning with ABB TF42‑13 specifications and its compatibility with TF42‑series contactors.
