ABB TF42-1.7 Thermal Overload Relay | 1.3A to 1.7A Range, Class 10

1SAZ721201R1028
ABB TF42-1.7 thermal overload relay is a robust, bimetallic protection device designed for the main motor circuit. With an adjustable current setting range of 1.3 to 1.7 Amperes, this relay ensures your industrial motors are safely disconnected during overload conditions or phase imbalances. It is engineered for precision and longevity, featuring Class 10 tripping characteristics that meet global industrial standards.


Key Technical Features:

Reliable Bimetallic Protection: Features a Class 10 trip curve to prevent motor overheating and permanent winding damage.

Phase Failure Sensitivity: Built-in mechanism that reacts quickly to phase loss, providing comprehensive motor safety.

Ambient Temperature Compensation: Maintains consistent accuracy in environments ranging from -25°C to +60°C.

Integrated Control Interface: Includes a Reset button (Manual/Auto selectable), a Test function for circuit verification, and a Stop button.

Easy Contactor Mounting: Designed for direct, tool-free connection to the underside of AF09, AF12, AF16, AF26, AF30, and AF38 contactors.