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ABB TF4242 Thermal Overload Relay

The TF4242 thermal overload relay is a cost-effective electromechanical protection device designed for direct coupling with AFO9 to AF38 3-pole contactors. It provides reliable motor overload and phase failure protection, with manual or automatic reset options and phase loss sensitivity according to IEC/EN 60947-4-1. The relay features trip class 10, temperature compensation, test and stop functions, and trip indication on the front panel. Suitable for three- and single-phase applications, it ensures motor safety and operation efficiency in industrial environments. Main dimensions are specified for integration into control panels.

Authorized Distributors
Source:DigiKey
Part No:TF42-4.2
Stock:2
Inv Date:06-01-2026
Price: Unit price: $54.7
Buy/RFQ:
Part No:TF42-4.2
Stock:153
Inv Date:06-01-2026
Price: Unit price: $95.35
Buy/RFQ:
Part No:TF42-4.2
Stock:0
Inv Date:06-01-2026
Price: Unit price: $84.66
Buy/RFQ:
Part No:TF42-4.2
Stock:0
Inv Date:06-01-2026
Price: Unit price: $84.66
Buy/RFQ:

ABB TF4242 Thermal Overload Relay Specifications:

  • Rated current: 0.10 to 38.0 A
  • Trip class: 10
  • Reset: Manual or automatic selectable
  • Phase loss sensitivity: IEC/EN 60947-4-1 compliant
  • Protection type: Electromechanical with bimetal tripping elements
  • Functions: Test, Stop, Trip indication on front panel
  • Temperature compensation: Yes
  • Application: Suitable for three- and single-phase motors
  • Main dimensions: Refer to external datasheet for precise measurements
  • Physical connection: Direct coupling to contactors AFO9 to AF38
  • Material: Standard industrial construction
  • Compliance: IEC/EN 60947-4-1

Buy the Eaton Series TF42 Thermal Overload Relay: TF4242

Protect your motors with the Eaton Series TF42 thermal overload relay, offering reliable overload and phase failure protection. Designed for use with contactors from AFO9 to AF38, it features trip class 10, manual or automatic reset, phase loss sensitivity, and front trip indication. Suitable for three- and single-phase applications, its robust construction and integrated safety features ensure optimal motor operation and protection in industrial environments. Easily install and maintain for long-term motor safety and efficiency.

Order your Eaton Series TF42 thermal overload relay today and ensure reliable motor protection for your industrial applications.

Frequently Asked Questions

Where can I buy ABB TF4242?

You can click on the BUY or RFQ button to purchase TF4242 from an authorized ABB distributor.

How do I troubleshoot issues or seek technical support for part TF4242?

You can download the TF4242 datasheet or visit the ABB website for support.

Who is the manufacturer of TF4242?

ABB

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