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ABB tf65-67 thermal overload relay 57a - 67a
MPN: 1SAZ811201R1007
Alt. SKU: TF65-67
Why Choose the TF65-67 [1SAZ811201R1007]
The TF65-67 thermal overload relay provides cost-effective electromechanical protection for main motor circuits. Designed to deliver reliable and rapid response to overloads and phase failures, it features a trip class 10 rating for precise motor safeguarding. Key technical attributes include temperature compensation, a normally closed trip contact, a normally open signal contact, and selectable automatic or manual reset options. The device incorporates a trip-free mechanism, a dedicated STOP function, and clear trip indication for straightforward fault diagnosis. These overload relays are designed for direct mounting onto compatible block contactors, with individual mounting kits available as accessories to ensure secure installation.
Technical Specification
- Function: Thermal overload relay providing motor protection against overload and phase failure with trip class 10.
- Voltage Ratings: Main circuit up to 690 V AC / 440 V DC; auxiliary circuit up to 600 V AC/DC.
- Current Rating: Setting range 57 to 67 A; rated operational current 67 A.
- Contact Configuration: 3 poles protected with 1 normally closed (NC) trip contact and 1 normally open (NO) signal contact.
- Insulation and Impulse Withstand Voltage: Rated insulation voltage 690 V; impulse withstand 6 kV (auxiliary), 8 kV (main circuit).
- Degree of Protection: Housing IP20; main circuit terminals IP10.
- Terminal Type and Size Range: Flexible cables with ferrules 0.75–35 mm²; rigid cables 0.75–35 mm²; includes auxiliary circuit terminals.
- Mechanical Features: Trip-free mechanism with selectable automatic/manual reset, trip indication and STOP function.
- Mounting Compatibility: Compatible with AF40, AF52, and AF65 contactors.
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the function of the TF65-67 thermal overload relay?
What is the current rating range for the TF65-67?
What voltage ratings does the TF65-67 support?
What type of cables can be used with the TF65-67?
Is the TF65-67 compatible with other devices?
What features does the TF65-67 include for operation?
What is the degree of protection for the TF65-67?
| Manufacturer Part Number | 1SAZ811201R1007 |
|---|---|
| Amp Range | 57A - 67A |
| HS Code | 85364900 |
| Country of Manufacture | China |
| Manufacturer | ABB |
| Alternative Product SKU | TF65-67 |
| Barcode | 4013614482977 |
Motor protection for overload and phase failure
Thermal overload relays are economic electromechanical protection devices for the main circuit. They offer reliable protection for motors in the event of overload or phase failure. The thermal overload relay can make up a compact starting solution together with contactors.

Main Benefits:
- Reliable protection for motors
- Easy to create starters
- Optimized match to ABB contactors
- Single mounting kits and wire reset for
remote control available for specific applications
Main Features:
- Adjustable current setting ranges
- Overload protection with phase loss sensitivity
- Temperature compensation up to +60°C
- Automatic or manual reset, sealable
- Stop and test function