The ABB TF140DU-135-V1000 thermal overload relay provides efficient motor protection with adjustable current settings, automatic/manual reset options, and a trip-free mechanism.
Product ModelTF140DU-135-V1000
Material Number1SAZ431301R1003
Product ID88075
Stock on Request
Last updated: 8/29/2026
Key Features
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Feature1. Reliable Motor Protection The ABB TF140DU-135-V1000 thermal overload relay is designed to offer reliable protection for motors against overload and phase failures, ensuring continuous operation and minimizing downtime.
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Feature2. Adjustable Current Settings With adjustable current settings, the TF140DU-135-V1000 allows for precise customization to match the specific requirements of your motor, providing optimal protection and efficiency.
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Feature3. Automatic or Manual Reset The relay offers both automatic and manual reset options, giving you flexibility in handling overload situations. This feature ensures that the motor can be quickly restarted after an overload event, reducing downtime.
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Feature4. Trip-Free Mechanism The trip-free mechanism ensures that the relay will not trip during normal operation, reducing false alarms and improving overall system reliability.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Product Net Width
89 mm
Product Net Height
140 mm
Product Net Depth / Length
126 mm
Product Net Weight
0.82 kg
Setting Range
100 ... 135 A
Rated Operational Voltage
Auxiliary Circuit 440 V DC Auxiliary Circuit 500 V AC Main Circuit 690 V AC Main Circuit 440 V DC
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Feature5. Compliance with Safety Standards The TF140DU-135-V1000 complies with essential health and safety requirements, including IEC/EN 60947-1, IEC/EN 60947-4-1, and IEC/EN 60947-5-1 standards, ensuring that your system meets the highest safety standards.
Rated Operational Current (Ie)
135 A
Rated Frequency (f)
Auxiliary Circuit 50 Hz Auxiliary Circuit 60 Hz Auxiliary Circuit DC Main Circuit 60 Hz Main Circuit 50 Hz Main Circuit DC
Rated Impulse Withstand Voltage (Uimp)
Auxiliary Circuit 6 kV Main Circuit 8 kV
Rated Insulation Voltage (Ui)
690 V
Number of Poles
3P
Number of Auxiliary Contacts NC
1
Number of Auxiliary Contacts NO
1
Number of Protected Poles
3
Conventional Free-air Thermal Current (Ith)
Auxiliary Circuit NC 10 A Auxiliary Circuit NO 6 A
Rated Operational Current AC-15 (Ie)
(120 V) NC 3 A (120 V) NO 1.5 A (240 V) NC 3 A (240 V) NO 1.2 A (400 V) NC 0.75 A (400 V) NO 0.37 A (440 V) NC 0.75 A (440 V) NO 0.37 A (500 V) NC 0.3 A (500 V) NO 0.25 A
Rated Operational Current DC-13 (Ie)
(125 V) NC 0.25 A (125 V) NO 0.25 A (24 V) NC 1.25 A (24 V) NO 1.25 A (250 V) NC 0.12 A (250 V) NO 0.04 A (60 V) NC 0.25 A (60 V) NO 0.25 A
