ABB TF42-5.7 Thermal Overload Relay | 4.2A to 5.7A Range, Class 10

1SAZ721201R1038
ABB TF42-5.7 offers reliable and economical protection for your motor starters against overloads and phase failures. With an adjustable setting range of 4.2 to 5.7 Amperes, it provides a Class 10 trip characteristic, ensuring that your equipment is disconnected safely before heat damage occurs. Its compact design allows it to integrate perfectly into modern control cabinets while maintaining high sensitivity to phase imbalances.

Key Technical Features:

Bimetallic Overload Protection: Features a Class 10 trip curve for dependable protection against prolonged high-current conditions.

Phase Loss Sensitivity: Specifically designed to detect phase failure, shielding the motor from burnout during unbalanced operation.

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

User-Friendly Control: Includes a selectable Manual/Automatic reset, a functional Test button, and a Stop button for emergency disconnection.

Direct Contactor Mounting: Engineered to plug directly into AF09, AF12, AF16, AF26, AF30, and AF38 contactors, saving labor and panel space.