ABB TF42-3.1 Thermal Overload Relay | 2.3A to 3.1A Range, Class 10

1SAZ721201R1033
ABB TF42-3.1 is a robust and economical solution for protecting your motors from overloads and phase failures. Designed for current ratings between 2.3 and 3.1 Amperes, this relay features Class 10 tripping characteristics, ensuring a rapid response to overcurrent conditions. It is a critical component for small pump motors, fans, and automation systems that require dependable thermal protection.

Key Technical Features:

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

Phase Failure Sensitivity: Built-in mechanism detects phase imbalance or loss, triggering a trip to protect the motor in unstable power conditions.

Ambient Temperature Compensation: Accurate performance from -25°C to +60°C ensures reliability inside crowded control panels.

Integrated Controls: Features a selectable Manual/Automatic reset, a Test function for circuit verification, and a Stop button.

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