ABB TF65-70 thermal overload relay with adjustable current range from 57 to 70 A, designed for industrial motor protection and automation systems.
£149.91
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.
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.
| Current | 70 A |
|---|---|
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | TF65 Thermal Overload Relays |
| Product code | 1SAZ811201R1007 |
| Product type | Thermal overload relay |
| Current adjustment range | 57 to 70 A |
| Rated operational current | 70 A |
| 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 |
The TF65-67 protects three-phase motors against overload conditions and phase failure in industrial motor control systems.
The relay features an adjustable overload current setting from 57 to 67 A.
Yes. The TF65-67 supports both manual and automatic reset, allowing it to suit different application requirements.
It is designed for direct mounting onto compatible ABB AF40 to AF65 contactors.
The relay includes one normally open (NO) and one normally closed (NC) auxiliary contact for signalling and control functions.
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.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...