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ABB tf65-67 thermal overload relay 57a – 67a
ABB TF65-67 thermal overload relay with adjustable current range from 57 to 67 A, designed for industrial motor protection and automation systems.
£97.44
Why Choose the ABB TF65-67 Thermal Overload Relay?
The ABB TF65-67 Thermal Overload Relay (1SAZ811201R1007) is a robust electromechanical motor protection relay engineered to provide dependable overload and phase failure protection for three-phase motors in industrial applications. As part of the trusted ABB TF65 thermal overload relay series, it is designed for direct mounting onto compatible ABB AF contactors, making it an ideal solution for motor starters and control panels.
Designed to improve motor reliability and reduce costly downtime, the TF65-67 offers rapid overload detection, temperature compensation and a trip class 10 characteristic. Integrated auxiliary contacts, manual or automatic reset selection and a clear trip indication simplify maintenance while ensuring safe, efficient operation in demanding industrial environments.
With an adjustable current setting range of 57 to 67 A, the TF65-67 is suitable for protecting medium-sized industrial motors used across manufacturing, processing, pumping and material handling applications. Its compact design allows straightforward installation directly beneath compatible ABB AF40 to AF65 contactors.
Key Advantages
- Reliable thermal overload and phase failure protection for three-phase motors.
- Adjustable current range of 57 to 67 A for flexible motor protection.
- Trip Class 10 for dependable overload response.
- Integrated 1 NO and 1 NC auxiliary contacts.
- Selectable manual or automatic reset.
- Direct mounting onto compatible ABB AF40 to AF65 contactors.
- Temperature compensated for improved operating accuracy.
- Compact construction for industrial motor starter assemblies.
Key Features
- ABB TF65 thermal overload relay series.
- 57 to 67 A adjustable overload setting.
- Trip Class 10 protection.
- Protection against motor overload and phase failure.
- Integrated 1 normally open and 1 normally closed auxiliary contact.
- Manual or automatic reset selection.
- Trip-free mechanism with STOP function.
- Visual trip indication.
- Screw terminal connections.
- Direct contactor mounting.
Reliable Motor Protection for Industrial Applications
Thermal overload relays are essential components within motor starter assemblies, protecting electric motors from sustained overload conditions and phase failure. By disconnecting the motor before overheating occurs, they help extend equipment life while reducing maintenance costs and unexpected production downtime.
The ABB TF65 series is widely used by machine builders, panel manufacturers and maintenance engineers thanks to its reliable performance, simple installation and compatibility with ABB AF contactors. Its integrated diagnostic features and flexible reset options make it suitable for a wide variety of industrial motor control applications.
Typical Applications
- Industrial motor starters.
- Pumps and water treatment systems.
- Fans and ventilation equipment.
- Conveyors and material handling systems.
- Compressors.
- Manufacturing and process automation.
- Industrial control panels.
- OEM machinery.
Technical Specifications
Tick the specs you need, then view products that match.
| Compatible With | AF40–AF65 | |
|---|---|---|
| Current | 67 A | |
| Mounting Type | Direct mount on contactor | |
| Current Range | 57–67 A | |
| Trip Class | Class 10 | |
| Reset Type | Manual / Automatic | |
| Device Type | Thermal Overload Relay | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 3-pole | |
| Current adjustment range | 57 to 67 A | |
| Rated operational current | 67 A | |
| Series | TF65 Thermal Overload Relays | |
| Product code | 1SAZ811201R1007 | |
| Product type | Thermal overload relay | |
| Trip class | Class 10 | |
| Number of poles | 3 | |
| Auxiliary contacts | 1 NO + 1 NC | |
| Rated insulation voltage | 690 V AC | |
| Rated operational voltage | Main circuit 690 V AC / 440 V DC | |
| Rated impulse withstand voltage | Auxiliary circuit 6 kV, main circuit 8 kV | |
| Protection rating | Housing IP20, terminals IP10 | |
| Reset method | Automatic or manual | |
| Mounting type | Direct attachment to contactor | |
| Suitable contactors | ABB AF40, AF52, AF65 | |
| Terminal type | Screw terminals | |
| Dimensions (H × W × D) | approx. 101.4 × 54.9 × 106.9 mm | |
| Weight | approx. 0.38 kg | |
| Operating temperature | approx. -40 °C to +70 °C | |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1, UL 60947-4-1 |
Frequently Asked Questions
What is the ABB TF65-67 used for?
The TF65-67 protects three-phase motors against overload conditions and phase failure in industrial motor control systems.
What current range does this overload relay support?
The relay features an adjustable overload current setting from 57 to 67 A.
Can the relay be manually reset?
Yes. The TF65-67 supports both manual and automatic reset, allowing it to suit different application requirements.
Which contactors is this relay compatible with?
It is designed for direct mounting onto compatible ABB AF40 to AF65 contactors.
What auxiliary contacts are included?
The relay includes one normally open (NO) and one normally closed (NC) auxiliary contact for signalling and control functions.
Trusted by Industrial Control Professionals
ABB TF series thermal overload relays are trusted worldwide by machine builders, electrical engineers and industrial maintenance professionals for dependable motor protection, long service life and seamless integration into motor starter assemblies.
