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ABB tf42-0.17 thermal overload relay 0.13a - 0.17a
MPN: 1SAZ721201R1008
Alt. SKU: TF42-0.17
Why Choose the TF42-0.17 [1SAZ721201R1008]
The TF42-0.17 thermal overload relay provides cost-effective electromechanical protection for motor main circuits. It delivers reliable, rapid response to overload conditions and phase failure, with a trip class 10 rating. Key features include temperature compensation, normally closed trip contacts, normally open signal contacts, selectable automatic or manual reset, a trip-free mechanism, integrated STOP function, and clear trip indication. Designed for direct mounting on corresponding block contactors, the relay ensures straightforward installation. Compatible single mounting kits are available as accessories.
Technical Specification
- Function: Thermal overload relay with trip class 10 for motor overload and phase failure protection.
- Rated Operational Voltage: Main circuit up to 690 V AC, 600 V DC; Auxiliary circuit up to 600 V AC/DC.
- Current Setting Range: 0.13 to 0.17 A with rated operational current of 0.17 A.
- Contact Configuration: 3 poles with 1 normally closed (NC) trip contact and 1 normally open (NO) signal contact.
- Insulation and Impulse Withstand Voltage: Rated insulation voltage 690 V and impulse withstand voltage 6 kV.
- Degree of Protection: IP20 suitable for standard industrial environments.
- Terminal Types and Sizes: Flexible and rigid cables accepted; main circuit terminals 0.75 to 4 mm²; auxiliary circuit 0.75 to 2.5 mm².
- Tightening Torque: Main circuit 1.5 to 2.5 N·m; Auxiliary circuit 1.0 to 1.2 N·m.
- Mechanical Features: Trip-free mechanism, selectable automatic or manual reset, STOP function, and 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 TF42-0.17 thermal overload relay?
What is the rated operational voltage for this relay?
What is the current setting range for the TF42-0.17?
What types of cables can be connected to the relay?
What is the degree of protection for the TF42-0.17?
Are there any mounting kits available for this relay?
What safety standards does the TF42-0.17 conform to?
| Manufacturer Part Number | 1SAZ721201R1008 |
|---|---|
| Amp Range | 0.13A - 0.17A |
| Manufacturer | ABB |
| Alternative Product SKU | TF42-0.17 |
| Barcode | 4013614404696 |
| Product Lead Time | Delivery 2/3 days |
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