1SAZ721201R1052 TF42-29 thermal overload relay is an ABB TF42 three-pole protective device for motor circuits, rated 24.0–29.0 A at up to 690 V and 50/60 Hz. It uses screw-terminal connections and is suitable for mounting on AF09 through AF38 frames, enabling straightforward integration with compatible contactors in standard control panels. With a trip class of 10, the TF42-29 provides reliable overcurrent protection for three-pole motors in low-voltage applications. As the TF42-29 variant of ABB's TF42 thermal overload family, it is designed to safeguard main circuits in industrial automation setups.
