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ABB tf65-47 thermal overload relay 36a – 47a
ABB TF65-47 thermal overload relay with adjustable current range from 36 to 47 A, designed for industrial motor protection and automation systems.
£81.20
Why Choose the ABB TF65-47 Thermal Overload Relay?
The ABB TF65-47 Thermal Overload Relay (1SAZ811201R1004) is a robust and reliable thermal overload protection relay designed to protect three-phase motors against overload and phase failure. As part of the heavy-duty ABB TF65 thermal overload relay series, it is engineered for larger motor starter assemblies and industrial automation systems requiring dependable motor protection.
Designed for direct mounting onto compatible ABB AF40, AF52 and AF65 contactors, the TF65-47 helps maximise motor reliability while reducing costly downtime caused by overload conditions. Temperature compensation, selectable manual or automatic reset, trip indication and integrated auxiliary contacts simplify installation and maintenance in demanding industrial environments.
With an adjustable current setting of 36 to 47 A, trip class 10 protection and a compact direct-mount design, the TF65-47 is ideal for protecting larger industrial motors used in conveyors, pumps, compressors, fans and production machinery.
Key Advantages
- Heavy-duty thermal overload relay for industrial motor protection.
- Adjustable overload current range of 36 to 47 A.
- Reliable trip class 10 overload and phase failure protection.
- Integrated 1 NO + 1 NC auxiliary contacts.
- Selectable manual or automatic reset.
- Direct mounting onto ABB AF40, AF52 and AF65 contactors.
Key Features
- ABB TF65 thermal overload relay series.
- 36 to 47 A adjustable current range.
- Trip class 10 motor protection.
- 3-pole electromechanical overload relay.
- Integrated 1 normally open and 1 normally closed auxiliary contacts.
- Temperature-compensated operation.
- Trip-free mechanism with STOP and TEST function.
- Front-mounted trip indication.
- Direct-mount design for ABB AF contactors.
Reliable Motor Protection for Industrial Applications
Thermal overload relays continuously monitor motor current and disconnect the circuit when overload conditions occur, helping prevent overheating and extending motor service life. The ABB TF65 series provides dependable overload and phase-loss protection, improving the reliability and safety of industrial motor control systems.
Designed for machine builders, panel manufacturers and maintenance engineers, the TF65-47 combines straightforward installation with proven ABB reliability. Its integrated signalling contacts and flexible reset options make it suitable for demanding industrial automation and motor starter applications.
Typical Applications
- Industrial motor starter assemblies.
- Conveyor and material handling systems.
- Pumps and booster stations.
- Fans and HVAC equipment.
- Compressors.
- OEM machinery and industrial automation panels.
Technical Specifications
Tick the specs you need, then view products that match.
| Compatible With | AF40–AF65 | |
|---|---|---|
| Mounting Type | Direct mount on contactor | |
| Current Range | 36–47 A | |
| Trip Class | Class 10 | |
| Reset Type | Manual / Automatic | |
| Device Type | Thermal Overload Relay | |
| Current | 47 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 3-pole | |
| Series | TF65 Thermal Overload Relays | |
| Product code | 1SAZ811201R1004 | |
| Product type | Thermal overload relay | |
| Current adjustment range | 36 to 47 A | |
| Rated operational current | 47 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. 0.372 kg | |
| Operating temperature | approx. -25 °C to +60 °C | |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1, UL 60947-4-1 |
Frequently Asked Questions
What is the ABB TF65-47 used for?
The TF65-47 protects three-phase electric motors against overload and phase failure in industrial motor control applications.
What current range does this overload relay support?
The relay features an adjustable overload setting from 36 to 47 A.
Which contactors is this relay compatible with?
The TF65-47 is designed for direct mounting onto compatible ABB AF40, AF52 and AF65 contactors.
Does the relay support manual and automatic reset?
Yes. The TF65-47 allows users to select either manual or automatic reset depending on the application.
What auxiliary contacts are included?
The relay includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts for control and signalling functions.
Trusted for Heavy-Duty Motor Protection
ABB TF65 thermal overload relays are trusted by OEMs, panel builders and industrial maintenance engineers to provide dependable overload protection for larger motors while helping maximise equipment reliability and minimise downtime.
