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ABB tf42-0.23 thermal overload relay 0.17a - 0.23a
MPN: 1SAZ721201R1009
Alt. SKU: TF42-0.23
Special Price
£45.98
£38.32
Regular Price
£70.74
Why Choose the TF42-0.23 [1SAZ721201R1009]
The TF42-0.23 thermal overload relay provides cost-effective electromechanical protection for motor circuits, delivering reliable and rapid response to overloads and phase failures. Rated with a trip class 10, it incorporates temperature compensation to ensure accurate operation under varying conditions. Key features include a normally closed trip contact, a normally open signal contact, selectable automatic or manual reset, a trip-free mechanism, a dedicated STOP function, and clear trip indication. Designed for direct mounting onto corresponding block contactors, the relay can also be installed using optional single mounting kits for enhanced flexibility.
Technical Specification
- Function: Thermal overload relay for motor protection against overload and phase failure with trip class 10.
- Voltage Rating: Main circuit 690 V AC / 600 V DC; Auxiliary circuit 600 V AC/DC.
- Current Setting Range: 0.17 to 0.23 A with rated operational current of 0.23 A.
- Contact Configuration: 3 poles protected; 1 normally closed (NC) trip contact; 1 normally open (NO) signal contact.
- Insulation and Impulse Ratings: Rated insulation voltage 690 V; impulse withstand voltage 6 kV.
- Degree of Protection: IP20.
- Terminal Type and Size Range: Flexible and rigid wires; 0.75 to 4 mm² with ferrules supported.
- Tightening Torque: Auxiliary circuit 1–1.2 N·m; main circuit 1.5–2.5 N·m.
- Mechanical Features: Trip-free mechanism, selectable automatic or manual reset, STOP function, trip indication.
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the function of the TF42-0.23 thermal overload relay?
The TF42-0.23 thermal overload relay provides protection for motors against overload and phase failure, featuring a trip class of 10.
What is the voltage rating for the TF42-0.23 relay?
The voltage rating for the main circuit is 690 V AC / 600 V DC, and for the auxiliary circuit, it is 600 V AC/DC.
What is the current setting range for the TF42-0.23?
The current setting range is from 0.17 to 0.23 A, with a rated operational current of 0.23 A.
What type of contacts does the TF42-0.23 have?
The relay has a contact configuration of 3 poles protected, with 1 normally closed (NC) trip contact and 1 normally open (NO) signal contact.
What is the degree of protection for the TF42-0.23?
The degree of protection is IP20.
What is the tightening torque for the terminals?
The tightening torque for the auxiliary circuit is 1–1.2 N·m, and for the main circuit, it is 1.5–2.5 N·m.
Are there mounting kits available for the TF42-0.23?
Yes, single mounting kits are available as accessories for the TF42-0.23 relay.
| Manufacturer Part Number | 1SAZ721201R1009 |
|---|---|
| Amp Range | 0.17A - 0.23A |
| HS Code | 85364900 |
| Country of Manufacture | Germany |
| Manufacturer | ABB |
| Alternative Product SKU | TF42-0.23 |
| Barcode | 4013614398001 |
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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
