The ABB TA25DU-3.1M is a robust and precise thermal overload relay designed to protect AC motors from overloads, phase failures, and current imbalances in the 2.20 to 3.10 A range. It offers reliable performance in demanding environments and is intended for direct mounting on ABB A-line contactors, ensuring space-saving installation and efficient motor protection.

? Key Features:

• Adjustable current range: 2.20 – 3.10 A

• Trip class: Class 10A – standard for general motor protection

• Phase failure detection: Ensures protection against single-phase operation

• Reset modes: Manual or automatic reset selectable

• Ambient temperature compensation: Maintains tripping accuracy across varying temperatures

• Integrated Test/STOP button: Allows quick function checks and emergency stops

• Mounting type: Direct mounting on ABB A-line contactors (e.g., A9 to A26)

• Operating temperature: -20°C to +60°C

• Standard compliance: IEC/EN 60947-4-1 certified

• Applications: Suitable for use in industrial systems such as fans, pumps, small compressors, and machinery