The ABB TF140DU-110 is a thermal overload relay of the TF range – Thermal Overload Relay 80-110 A, Class 10A, 1NO+1NC. ABB order code: 1SAZ431201R1002.
The TF range is the overload relay series designed for ABB AF contactors; the setting dial covers a current band, so the replacement must have the band that contains the motor full-load current.
More ABB contactors, overload relays and control parts: ABB range.
Technical data
| ABB type | TF140DU-110 |
|---|---|
| ABB order code | 1SAZ431201R1002 |
| Product Name | Thermal Overload Relay |
| Rated Operational Current AC-3 | 110 A |
| Number of Auxiliary Contacts NO | 1 |
| Number of Auxiliary Contacts NC | 1 |
| Setting Range | 80 … 110 A |
| Rated Operational Current | 110 A |
| Trip Class | class 10A |
| Rated Operational Voltage | Auxiliary Circuit 440/500 V DC/V AC Main Circuit 690 V AC |
| Rated Insulation Voltage | 690 V |
| Rated Impulse Withstand Voltage | Auxiliary Circuit 6 kV Main Circuit 8 kV |
| Number of Poles | 3 |
| Number of Protected Poles | 3 |
| Suitable For | AF116 AF140 |
| Conventional Free-air Thermal Current | Auxiliary Circuit NC 10 A Auxiliary Circuit NO 6 A |
| Rated Frequency | Auxiliary Circuit 50 Hz Auxiliary Circuit 60 Hz Auxiliary Circuit DC Main Circuit 60 Hz Main Circuit 50Hz Main Circuit DC |
| Degree of Protection | Housing IP20 Main Circuit Terminals IP10 |
| Wire Stripping Length | Auxiliary Circuit 9 mm Main Circuit 25 mm |
| Tightening Torque | Auxiliary Circuit 0.8 … 1.2 N·m Main Circuit 8 … 10 N·m |
| Mounting Position | Position 1 to 5 |
| Power Loss | at Rated Operating Conditions per Pole 2.4 … 4.6 W |
Main data, as listed by ABB
- Setting Range: 80 … 110 A
- Trip Class: class 10A
- Suitable For: AF116 AF140
- Rated Operational Current AC-3: 110 A
- Ambient Air Temperature Compensation: Yes
Typical applications
- Direct-on-line motor starters with AF contactors
- Star-delta starters
- Pumps, fans and compressors
- Conveyors and machine motors
- Replacement of a failed overload relay
Compatibility and replacement
Order with the full type TF140DU-110 or the order code 1SAZ431201R1002; in ABB type designations the last digits select the current range or the coil voltage, so a part with a different suffix is not always a drop-in replacement.
If the old label is worn, send us a photo and we will confirm the matching ABB type before quoting.
Before you replace it
- Setting range versus the motor full-load current
- Trip class
- Contactor size it mounts on
Frequently asked questions
What ambient temperature is allowed?
Operation -25 … +55 °C Operation Compensated -25 … +55 °C Storage -40 … +70 °C, according to ABB’s product data.
What is the protection rating?
Housing IP20 Main Circuit Terminals IP10, according to ABB’s product data.
What is the setting range?
80 … 110 A, according to ABB’s product data.
Can I get the datasheet?
The official manufacturer data is the source of the technical values above; we can send the datasheet with the quotation on request.
Do you ship to my country, and what is the warranty?
Yes. RendatSP ships worldwide from Yiwu, China, by air in 5 to 7 days once the part is ready, and every part carries a 1-year warranty. Send the order number and quantity on WhatsApp and we will reply with a quotation.
How to order
Message us the order number and quantity. For breakdowns, tell us the delivery address and we will offer the fastest shipping option. If the exact part is discontinued, we confirm the official successor before quoting.
Every part RendatSP supplies is new and original, carries a 1-year warranty and ships worldwide by air in 5 to 7 days once ready (shipping, payment and warranty). Send us the order number and quantity on WhatsApp or through the inquiry form and we will quote the same working day. Agents in Saudi Arabia, Iraq, the UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan.
