OT Copper Lug – Reliable Open Barrel Electrical Termination

Key Features

  • High-conductivity copper construction for efficient current flow

  • Open barrel design simplifies wire insertion and inspection

  • Tin-plated surface for corrosion resistance and durability

  • Stamped manufacturing ensures cost-effective high-volume production

  • Available in multiple sizes to suit a wide range of applications

  • Suitable for indent-style or F-crimp tools for reliable termination

The OT Copper Lug is engineered for dependable electrical connections in control panels, appliances, electronics, and general-purpose wiring. Featuring a stamped copper open-barrel design, these lugs simplify wire insertion, provide excellent conductivity, and offer cost-effective solutions for a wide range of applications. Tin-plated finishes enhance corrosion resistance, ensuring long-lasting performance and secure electrical connections.

International Standard Compliance

  • Manufactured in accordance with IEC 61238-1 for compression and crimping electrical connectors

  • Complies with RoHS for environmental safety

Construction & Materials

  • Material: High-quality copper, tin-plated for corrosion resistance

  • Design: Open-barrel stamped construction

  • Finish: Smooth, uniform plating to ensure long-term reliability

Installation Guide

  1. Strip conductor insulation to slightly longer than barrel length.

  2. Insert conductor into open U-shaped barrel, ensuring all strands are contained.

  3. Select an appropriate crimping tool (indent-style or F-crimp).

  4. Position lug in tool and compress to form a secure crimp.

  5. Inspect crimp visually and perform a gentle pull test.

  6. Mount the lug’s flat palm onto the terminal point using a correctly sized bolt or screw.

Product Advantages

  • Reliable electrical connectivity

  • Easy installation with open barrel design

  • Corrosion-resistant for longer service life

  • Cost-effective solution for standard electrical terminations

  • Wide range of sizes and ratings for versatile use

OT Copper Lugs by Telexc are high quality, Open barrel design, tin-plated, durable, ideal for control panels, appliances, and electronics.

Technical Specifications

Model Stud Hole Φ (mm) Palm Width H (mm) Overall Length L (mm) Barrel Outer Radius R (mm) Barrel Inner Radius R1 (mm) Material Thickness A (mm)
TX-OT-10A 5.2 6.0 19.0 4.5 2.0 0.8
TX-OT-20A 6.5 7.0 22.5 5.5 2.5 1.0
TX-OT-30A 6.5 8.2 24.8 5.8 3.2 1.2
TX-OT-40A 6.5 9.0 25.7 6.2 3.5 1.2
TX-OT-50A 8.2 9.0 29.5 6.5 3.5 1.2
TX-OT-60A 8.5 10.0 30.0 7.0 4.0 1.4
TX-OT-80A 8.5 11.0 33.0 8.0 4.5 1.5
TX-OT-100A 8.5 12.0 37.5 8.5 5.0 1.5
TX-OT-150A 10.5 12.0 40.0 9.0 5.5 1.6
TX-OT-200A 10.5 14.0 43.0 10.0 6.0 1.7
TX-OT-250A 10.5 15.5 46.5 10.5 6.5 2.0
TX-OT-300A 12.5 16.0 51.5 11.5 7.0 2.0
TX-OT-400A 14.5 18.0 56.0 13.0 8.0 2.2
TX-OT-500A 14.5 20.0 60.5 14.5 8.5 2.4
TX-OT-600A 16.5 22.0 66.5 16.0 10.5 2.8
TX-OT-800A 18.5 26.0 78.5 17.5 14.0 3.2
TX-OT-1000A 18.5 33.0 86.5 20.5 15.5 3.8

Table Legend:

  • Φ: Stud Hole Diameter

  • H: Palm Width

  • L: Overall Length

  • R: Outer Radius of Barrel

  • R1: Inner Radius of Barrel

  • A: Material Thickness

Applications

  • Control panel wiring

  • Automotive wiring harnesses

  • Household and industrial appliances

  • Consumer electronics

  • Telecommunication distribution frames

  • Hobbyist projects and prototyping

  • General-purpose electrical connections

Product Advantages

  • Reliable electrical connectivity

  • Easy installation with open barrel design

  • Corrosion-resistant for longer service life

  • Cost-effective solution for standard electrical terminations

  • Wide range of sizes and ratings for versatile use

FAQs

Q1: Can these OT lugs be used with aluminum wires?
A: No, these lugs are designed for copper conductors only.

Q2: What crimping tools are compatible?
A: Indent-style or F-crimp/staking tools are recommended.

Q3: Are these lugs tin-plated?
A: Yes, they have tin plating to resist corrosion.

Q4: Can the lugs be customized?
A: Yes, Telexc can produce lugs according to customer drawings.

Q5: What is the temperature rating?
A: Suitable for standard electrical applications; consult Telexc for high-temp environments.

Q6: Are these suitable for high-vibration environments?
A: OT lugs are for general-purpose applications; closed-barrel lugs are recommended for high vibration.

Q7: How to verify a proper crimp?
A: Visual inspection and a gentle pull test on the conductor are recommended.

Why Choose Telexc

  • Strict quality control for consistent performance

  • Quick delivery and competitive pricing

  • Wide range of copper lugs to meet varied electrical requirements

  • Technical support for selection and installation