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ABB - THOMAS & BETTS 54140UB Copper Lug

The 54140UB is a gray compression lug terminal made of high-conductivity wrought copper with an electro-tin plated finish. It features a color-keyed design and a 90° standard barrel, rated for 600V and recommended for up to 35kV, suitable for crimp termination. This lug accepts 4 AWG wire size and is used in applications such as defence, military, and aerospace. Designed for reliable electrical connection, it offers excellent corrosion resistance and high conductivity, making it ideal for demanding industrial and electrical systems requiring secure and efficient cable termination.

Authorized Distributors
Source:Newark
Part No:54140UB
Stock:46
Inv Date:06-01-2026
Price: Unit price: $5.18
Buy/RFQ:
Source:DigiKey
Part No:54140UB
Stock:0
Inv Date:06-01-2026
Price: Unit price: $11.1174
Buy/RFQ:
Part No:54140UB
Stock:75
Inv Date:06-02-2026
Price: Unit price: $15.9
Buy/RFQ:
Part No:54140UB
Stock:77
Inv Date:06-01-2026
Price: Unit price: $6.65
Buy/RFQ:
Part No:54140UB
Stock:803
Inv Date:06-01-2026
Price: Unit price: $11.02
Buy/RFQ:
Part No:54140UB
Stock:803
Inv Date:06-01-2026
Price: Unit price: $11.02
Buy/RFQ:

ABB - THOMAS & BETTS 54140UB Copper Lug Specifications:

  • Material: High-conductivity wrought copper
  • Finish: Electro tin plating
  • Voltage Rating: 600 V
  • Recommended Voltage: Up to 35kV
  • Wire Size: Accepts 4 AWG
  • Design: 90° standard barrel, color-keyed
  • Temperature Rating: 90 °C
  • Application: Crimp termination for industrial, military, aerospace systems
  • Corrosion Resistance: High due to electro-tin finish
  • Dimensions and physical details are referenced from technical datasheets

Buy the Buy Thomas & Betts 90° Copper Lug Part Number 54140UB Online

Purchase the Thomas & Betts 54140UB copper lug online today to ensure your electrical connections are secure, corrosion-resistant, and meet industry standards. This high-quality lug made of high-conductivity wrought copper, finished with electro-tin plating, guarantees excellent performance for crimp termination in demanding environments. Rated for 600V and suitable for up to 35kV, it accepts 4 AWG wire and features a 90° standard barrel with color coding for easy identification—perfect for military, aerospace, and industrial applications. Get yours now for dependable, long-lasting electrical connections.

Order your Thomas & Betts Series54140UB 4 AWG Copper Lug today and secure reliable connections in your industrial, military, or aerospace projects.

Frequently Asked Questions

Where can I buy ABB - THOMAS & BETTS 54140UB?

You can click on the BUY or RFQ button to purchase 54140UB from an authorized ABB - THOMAS & BETTS distributor.

How do I troubleshoot issues or seek technical support for part 54140UB?

You can download the 54140UB datasheet or visit the ABB - THOMAS & BETTS website for support.

Who is the manufacturer of 54140UB?

ABB - THOMAS & BETTS

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