ABB TA110DU90 Thermal Overload Relay

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                                                                                    ABB TA110DU90 Thermal Overload Relay

                                                                                    Product Description
                                                                                    ABB TA110DU90 is a thermal overload relay from ABB A-Line series, designed to protect three-phase motors against overload, phase failure, and excessive current conditions. It is commonly used together with ABB A95/A110 series contactors to form a complete motor starter solution.

                                                                                    Technical Parameters

                                                                                    • Brand: ABB
                                                                                    • Model: TA110DU90
                                                                                    • Product Type: Thermal Overload Relay
                                                                                    • Series: ABB A-Line
                                                                                    • Protection Type: Thermal motor overload protection
                                                                                    • Number of Poles: 3 poles
                                                                                    • Setting Range: 65…90 A
                                                                                    • Rated Operational Current: 90 A
                                                                                    • Trip Class: 10A
                                                                                    • Rated Insulation Voltage: 690 V
                                                                                    • Main Circuit Voltage: Up to 690 V AC
                                                                                    • Auxiliary Contacts: 1NO + 1NC
                                                                                    • Reset Mode: Manual / Automatic selectable
                                                                                    • Mounting: Direct mounting with ABB A95/A110 contactors or separate mounting
                                                                                    • Protection Degree: IP20 housing

                                                                                    Advantages & Features

                                                                                    • Reliable protection against motor overload and phase loss
                                                                                    • Adjustable current setting for different motor applications
                                                                                    • Class 10A fast and stable tripping characteristics
                                                                                    • Integrated trip indication for easy fault identification
                                                                                    • Supports manual or automatic reset operation
                                                                                    • Compact design for easy installation with ABB contactors
                                                                                    • Suitable for continuous industrial motor operation

                                                                                    Applications

                                                                                    • Industrial motor control systems
                                                                                    • Motor starters and control cabinets
                                                                                    • Pumps and fans
                                                                                    • Conveyor systems
                                                                                    • Manufacturing equipment
                                                                                    • Factory automation systems

                                                                                    Notes

                                                                                    • Confirm motor rated current before adjustment.
                                                                                    • Do not exceed the specified current setting range.
                                                                                    • Ensure compatibility with ABB A95/A110 series contactors.
                                                                                    • Disconnect power before installation or maintenance. 

The structure and details of the product：