ABB TA25-DU25 Thermal Overload Relay

Description:

The ABB TA25-DU25 Thermal Overload Relay is an electromechanical motor protection relay used in industrial motor control and starter systems. Commonly installed with ABB contactors in conveyor systems, pumps, compressors, HVAC equipment, and manufacturing machinery requiring overload and phase-loss protection. Maintenance teams, OEMs, and system integrators use this relay for equipment repairs, motor starter retrofits, and replacement of existing overload protection devices.

Applications:

The ABB TA25-DU25 is designed to provide thermal overload and phase-loss protection for three-phase motors in industrial environments. It is commonly used in motor control centers, conveyor systems, pumping stations, compressors, fans, and manufacturing equipment where reliable motor protection is required to minimize downtime and extend equipment life.

Technical Specifications:

• Manufacturer Part Number (MPN): TA25-DU25 / TA25DU-1.4M
• Product Type: Thermal Overload Relay
• Series: TA25DU
• Manufacturer: ABB
• Adjustable Current Range: 1.0 to 1.4 A
• Relay Type: Electromechanical Thermal Overload Relay
• Protection Functions: Overload Protection and Phase-Loss Sensitivity
• Tripping Class: Class 10A
• Compatible Contactors: ABB A9 to A40, AX9 to AX32, AL9 to AL40, TAL9 to TAL40
• Auxiliary Contacts: 1 NO + 1 NC
• Reset Function: Manual or Automatic Reset
• Mounting Type: Direct Mount to Contactor or Separate Mounting
• Rated Frequency: DC, 50/60 Hz
• Rated Insulation Voltage (Ui): 690 V
• Degree of Protection: IP20
• Operating Temperature Range: -25°C to +55°C
• Standards: IEC 60947-4-1, UL, CSA, CE
• Application Environment: Industrial motor control panels and automation systems

Common Replacements:

• ABB TA25DU-1.8M
• ABB TA25DU-1.0M
• ABB E16DU-1.4