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Overload Relay, Trip Class 10, 4.2 A, 5.7 A

ABB TF42-5.7

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
Newark Part No.:
Also Known As:
1SAZ721201R1038, GTIN UPC EAN: 4013614398100
Technical Datasheet:
TF42-5.7   Datasheet
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Product Information

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Technical Documents (3)

CAD Downloads


Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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Product Overview

The TF42-5.7 is a Thermal Overload Relay with an economic electromechanical protection for the main circuit. It offers reliable and fast protection for motors in the event of overloads or phase failure. The device has trip class 10. Further features are the temperature compensation, trip contact (NC), signal contact (NO), automatic- or manual reset selectable, trip-free mechanism, stop function and a trip indication. The overload relay is connected directly to the block contactors.
  • 6kV Auxiliary circuit rated impulse withstand voltage
  • 6kV Main circuit rated impulse withstand voltage
  • 690V Rated insulation voltage
  • IP20 Protection rating
  • 2000m Maximum operating altitude permissible
  • Ambient air temperature compensation


Industrial, Motor Drive & Control, Automation & Process Control

Also Known As

1SAZ721201R1038, GTIN UPC EAN: 4013614398100

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Non-Cancelable / Non Returnable

Due to market conditions delivery times are for general guidance only and may be subject to change at short notice


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