ABB TF42-0.55 Thermal Overload Relay | 0.41A to 0.55A, Class 10

1SAZ721201R1017
ABB TF42-0.55 is an economical and highly reliable thermal protection device for the main motor circuit. Engineered for accuracy in low-current applications, it features an adjustable setting range of 0.41 to 0.55 Amperes. This relay provides Class 10 tripping characteristics and is the ideal solution for protecting small industrial motors, dosing pumps, and specialized control circuits against overloads and phase imbalances.

Key Technical Features:

Reliable Bimetallic Protection: Class 10 trip characteristic ensures dependable thermal protection for small-scale motor windings.

Phase Failure Sensitivity: Built-in protection to detect phase loss, preventing motor damage under unbalanced electrical conditions.

Multifunctional Interface: Equipped with a selectable Manual/Auto reset button, a Test function for circuit verification, and a Stop button.

Temperature Compensated: Maintains accurate tripping performance in ambient temperatures from -25°C to +60°C.

Direct Contactor Mounting: Designed for seamless integration, plugging directly into the underside of AF09, AF12, AF16, AF26, AF30, and AF38 contactors.