Description:
FIELD OF THE INVENTION
The present invention relates to terminal connectors, specifically to re-usable sector-shaped shear bolt aluminum alloy lugs designed for use in vertical fuse strip disconnectors (VFSDs). These lugs are particularly suited for applications in industrial and utility sectors, including electricity utilities, solar and wind installations, and industrial installations such as process industries and data centers. The invention addresses issues related to contact resistance, heat dissipation, and ease of installation, providing a reliable and efficient solution for electrical cable terminations.

Application:
The re-usable sector-shaped shear bolt aluminum alloy lugs are designed for use in a variety of applications where reliable electrical connections are critical. These include:

1. Utility Applications: The lugs are ideal for use in electricity distribution networks, where they can be deployed in VFSD panels and pillars to reduce footprint requirements and enhance network reliability.
2. Renewable Energy Installations: The lugs are suitable for solar and wind energy installations, where they can be used to ensure efficient and reliable connections in harsh environmental conditions.
3. Industrial Installations: The lugs can be used in process industries and data centers, where they provide enhanced heat dissipation and reduce the risk of equipment failures due to hot spots and high contact resistance.
4. Export and Commercial Deployment: The lugs can be exported as a substitute for conventional tubular lugs, offering a cost-effective and efficient solution for international markets. They can also be part of a commercial deployment strategy for utilities and industrial plants, providing value-added services such as installation and maintenance.

BACKGROUND OF THE INVENTION
In the field of electrical distribution and industrial applications, reliable and efficient terminal connections are crucial for maintaining system integrity and performance. Traditional methods of cable termination, such as using crimping-type lugs, often present challenges including high contact resistance, susceptibility to corrosion, and the need for specialized tools and skills for installation. These issues can lead to increased technical losses, hot spots, and even fires, particularly in high-demand environments such as utility networks and industrial installations.

Prior Art Problems:
1. High Contact Resistance: Conventional lugs often suffer from high contact resistance due to damage to cable strands during installation, leading to hot spots and potential fire hazards.
2. Single-Use Design: Crimping-type lugs are typically designed for single use, resulting in increased procurement and disposal costs.
3. Corrosion Issues: Traditional materials used in lugs are prone to oxidation and galvanic corrosion, especially in mixed metal connections such as aluminum-copper.
4. Installation Complexity: The installation of conventional lugs requires specific skills and tools, such as crimping machines and core-turning tools, increasing the time and cost of installation.

Disadvantages of the Prior Art:
• Increased risk of equipment failure due to poor electrical contact and heat dissipation.
• Higher operational costs associated with the need for specialized tools and skilled labor.
• Environmental and safety concerns due to the potential for fires and equipment damage.

Technical Solution of the Present Invention:
The present invention provides a re-usable sector-shaped shear bolt aluminum alloy lug designed to address the shortcomings of prior art. The lug features a sector-shaped barrel made of aluminum alloy 6082-T6, which enhances conductivity and reduces oxidation. A torque-coordinated shear bolt mechanism ensures secure cable termination without over-tightening. The lug is tin-plated and includes non-oxidizing grease to further prevent corrosion. Additionally, an insulating layer of thin wall polyolefin tubing provides electrical creepage protection.

Technical Effect of the Present Invention:
• Reduced Contact Resistance: The design minimizes contact resistance, reducing the risk of hot spots and fires.
• Re-usability: The lug can be used multiple times, significantly lowering procurement and disposal costs.
• Corrosion Resistance: The materials and design prevent oxidation and galvanic corrosion, ensuring long-term reliability.
• Ease of Installation: The lug can be installed without specialized tools, reducing installation time and labor costs.

Technical Advancement:
The invention represents a significant advancement over traditional lugs by combining enhanced electrical performance with ease of use and re-usability. The sector-shaped design increases the contact area, improving heat dissipation and reducing technical losses. The torque-coordinated shear bolt mechanism simplifies installation, making it accessible to personnel with minimal training.

Need for the Present Invention:
There is a growing demand for reliable, cost-effective, and easy-to-install terminal connectors in the utility and industrial sectors. The present invention addresses this need by providing a solution that enhances system reliability, reduces operational costs, and improves safety. As electrical networks continue to expand and evolve, the need for advanced terminal connection solutions like the present invention becomes increasingly critical to ensure efficient and sustainable energy distribution.

OBJECT OF THE INVENTION
The primary object of the present invention is to provide a re-usable sector-shaped shear bolt aluminum alloy lug for vertical fuse strip disconnectors (VFSDs) that overcomes the limitations of conventional cable termination methods. Specifically, the invention aims to:

1. Reduce Contact Resistance: Minimize contact resistance at cable terminations to prevent hot spots and reduce the risk of fires, thereby enhancing the safety and reliability of electrical systems.
2. Enhance Re-usability: Offer a lug design that can be re-used multiple times without damage to the bolt or screw threads, significantly reducing procurement and disposal costs associated with single-use lugs.
3. Improve Corrosion Resistance: Utilize materials and coatings that prevent oxidation and galvanic corrosion, ensuring long-term durability and performance in various environmental conditions.
4. Simplify Installation: Provide a lug that can be easily installed without the need for specialized tools or extensive training, thereby reducing installation time and labor costs.
5. Increase Heat Dissipation: Design the lug with a greater cross-sectional area to enhance heat dissipation, reducing technical losses and improving overall system efficiency.
6. Accommodate Multiple Cable Sizes: Develop a range-taking lug that can be used with different cable sizes, offering flexibility and versatility in various applications.
7. Support Diverse Applications: Ensure the lug is suitable for use in utility, solar, and industrial applications, providing a reliable solution for a wide range of electrical distribution needs.

By achieving these objectives, the invention seeks to provide a superior alternative to traditional cable termination methods, addressing the needs of modern electrical infrastructure with a focus on safety, efficiency, and cost-effectiveness.

SUMMARY OF THE INVENTION
The present invention relates to a re-usable sector-shaped shear bolt aluminum alloy lug specifically designed for use in vertical fuse strip disconnectors (VFSDs). This innovative lug addresses the limitations of traditional cable termination methods by offering enhanced electrical performance, ease of installation, and re-usability. The invention is particularly suited for applications in utility, solar, and industrial sectors, providing a reliable and efficient solution for electrical cable terminations.

Aspects and Implementations:
1. Sector-Shaped Barrel:
o The lug features a sector-shaped barrel made from aluminum alloy 6082-T6, which provides high conductivity and reduces oxidation. This design increases the contact area with the cable, enhancing heat dissipation and reducing technical losses.

2. Torque-Coordinated Shear Bolt Mechanism:
o A key aspect of the invention is the integration of a torque-coordinated shear bolt mechanism. This mechanism ensures secure cable termination by applying a specific torque, preventing over-tightening and potential damage to the connector.

3. Corrosion Resistance:
o The barrel is tin-plated to prevent oxidation, and non-oxidizing grease is applied inside the barrel to further reduce contact resistance and prevent corrosion. This ensures long-term reliability and performance in various environmental conditions.

4. Insulation and Safety:
o An insulating layer of thin wall polyolefin tubing surrounds the barrel, providing electrical creepage protection and enhancing safety.

5. Re-usability:
o The lug is designed to be re-usable for multiple installations, capable of being used up to six times without damage to the bolt or screw threads. This significantly reduces procurement and disposal costs compared to single-use lugs.

6. Ease of Installation:
o The lug can be installed without the need for specialized tools or extensive training, reducing installation time and labor costs. This makes it accessible to personnel with minimal training.

7. Range-Taking Capability:
o The lug is designed to accommodate a range of cable sizes, from 120-150 square millimeters to 240-300 square millimeters, offering flexibility and versatility in various applications.

8. Testing and Standards Compliance:
o The lug has been tested to withstand 250 load cycles as per IEC 61238 standards, with a temperature rise not exceeding 45 degrees Celsius, ensuring compliance with industry standards.

9. Applications:
o The invention is suitable for use in utility networks, solar and wind installations, and industrial applications such as process industries and data centers. It can also be exported as a substitute for conventional tubular lugs, providing a cost-effective and efficient solution for international markets.

By addressing the challenges associated with traditional cable termination methods, the present invention offers a comprehensive solution that enhances system reliability, reduces operational costs, and improves safety. The innovative design and materials used in the lug make it a valuable addition to modern electrical infrastructure, meeting the demands of diverse applications with a focus on efficiency and sustainability.

Thus in accordance with an aspect of the present invention there is provided a re-usable sector-shaped shear bolt aluminum alloy lug for vertical fuse strip disconnectors (VFSDs), comprising:
a. a sector-shaped barrel configured to receive a low voltage sector-shaped cable, the barrel being made of aluminum alloy 6082-T6 to enhance conductivity and reduce oxidation;
b. a torque-coordinated shear bolt mechanism integrated with the said barrel, adapted to secure the cable within the barrel by applying a specific torque, thereby preventing over-tightening and breakage of the connector;
c. a tin-plated surface on the barrel to further prevent oxidation and enhance electrical contact;
d. a non-oxidizing grease applied inside the barrel so as to reduce contact resistance and prevent corrosion;
e. an insulating layer of thin wall polyolefin tubing surrounding the barrel to ensure electrical creepage protection;
wherein the lug is designed to be re-usable for multiple installations, and is suitable for use with cable sizes ranging from 120-150 square millimeters to 240-300 square millimeters, providing enhanced heat dissipation and ease of installation without requiring specialized tools.

Other aspects, advantages, and salient features of the invention will become apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses exemplary embodiments of the invention.

BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWINGS
The accompanying figures illustrate various components of the wearable ultrasound hardware system design. These figures are provided to enhance the understanding of the invention and are not intended to limit its scope.

Figure 1:
Figure 1 illustrates a perspective view of the re-usable sector-shaped shear bolt aluminum alloy lug. This view highlights the overall design and structure of the lug, including the sector-shaped barrel and the integrated torque-coordinated shear bolt mechanism. The figure provides a clear depiction of how the lug is configured to receive and secure a low voltage sector-shaped cable.

Figure 2:
Figure 2 provides a cross-sectional view of the lug, offering insight into the internal components and materials used in its construction. This figure emphasizes the application of non-oxidizing grease inside the barrel and the tin-plated surface, which together reduce contact resistance and prevent corrosion. The cross-section also shows the shear bolt mechanism in detail, illustrating its role in securing the cable.

Figure 3:
Figure 3 presents a side view of the lug, focusing on the alignment and positioning of the shear bolt mechanism relative to the sector-shaped barrel. This view helps to understand the spatial arrangement of the components and how they interact during installation.

Figure 4:
Figure 4 shows the lug with a cable inserted, demonstrating the process of securing the cable within the barrel using the shear bolt mechanism. This figure illustrates the ease of installation and the effectiveness of the torque-coordinated design in achieving a secure connection.

Figure 5:
Figure 5 provides a top view of the lug, highlighting the sector shape of the barrel and the placement of the shear bolts. This view offers a clear perspective on the lug's design, emphasizing the increased contact area provided by the sector shape, which enhances heat dissipation.

Figure 6:
Figure 6 depicts a series of installation steps, showing the process of preparing the cable, inserting it into the lug, and securing it with the shear bolt mechanism. This figure illustrates the simplicity and efficiency of the installation process, highlighting the lug's re-usability and the absence of a need for specialized tools.

Persons skilled in the art will appreciate that elements in the figures are illustrated for simplicity and clarity and may not have been drawn to scale. For example, the dimensions of some of the elements in the figure may be exaggerated relative to other elements to help to improve understanding of various exemplary embodiments of the present disclosure.

DETAILED DESCRITION OF THE INVENTION
The following description with reference to the accompanying drawings is provided to assist in a comprehensive understanding of various embodiments of the present disclosure as defined by the claims and their equivalents. It includes various specific details to assist in that understanding, but these are to be regarded as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. In addition, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments belong. Further, the meaning of terms or words used in the specification and the claims should not be limited to the literal or commonly employed sense but should be construed in accordance with the spirit of the disclosure to most properly describe the present disclosure.

The terminology used herein is for the purpose of describing particular various embodiments only and is not intended to be limiting of various embodiments. As used herein, the singular forms "a," "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising" used herein specify the presence of stated features, integers, steps, operations, members, components, and/or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, members, components, and/or groups thereof.

The present disclosure will now be described more fully with reference to the accompanying drawings, in which various embodiments of the present disclosure are shown.

The present invention relates to a re-usable sector-shaped shear bolt aluminum alloy lug designed for use in vertical fuse strip disconnectors (VFSDs). This lug addresses the limitations of traditional cable termination methods by offering enhanced electrical performance, ease of installation, and re-usability. The invention is particularly suited for applications in utility, solar, and industrial sectors.

Embodiments:

1. Sector-Shaped Barrel:
o The lug features a sector-shaped barrel made from aluminum alloy 6082-T6. This material is chosen for its high conductivity, up to 53% IACS, and its resistance to oxidation. The sector shape increases the contact area with the cable, enhancing heat dissipation and reducing technical losses.

2. Torque-Coordinated Shear Bolt Mechanism:
o Integrated into the barrel is a torque-coordinated shear bolt mechanism. This mechanism is designed to apply a specific torque to secure the cable within the barrel, preventing over-tightening and potential damage to the connector. The shear bolt is designed to break at a predetermined torque level, ensuring consistent and reliable installation.

3. Corrosion Resistance:
o The barrel is tin-plated to prevent oxidation, and non-oxidizing grease is applied inside the barrel to further reduce contact resistance and prevent corrosion. This combination of materials and coatings ensures long-term reliability and performance in various environmental conditions.

4. Insulation and Safety:
o An insulating layer of thin wall polyolefin tubing surrounds the barrel, providing electrical creepage protection and enhancing safety. The tubing is heat-shrinkable, allowing for a snug fit around the barrel.

5. Re-usability:
o The lug is designed to be re-usable for multiple installations, capable of being used up to six times without damage to the bolt or screw threads. This significantly reduces procurement and disposal costs compared to single-use lugs.

6. Ease of Installation:
o The lug can be installed without the need for specialized tools or extensive training, reducing installation time and labor costs. This makes it accessible to personnel with minimal training.

7. Range-Taking Capability:
o The lug is designed to accommodate a range of cable sizes, from 120-150 square millimeters to 240-300 square millimeters, offering flexibility and versatility in various applications.

8. Testing and Standards Compliance:
o The lug has been tested to withstand 250 load cycles as per IEC 61238 standards, with a temperature rise not exceeding 45 degrees Celsius, ensuring compliance with industry standards.

Constructional and Functional Interrelations:
The construction of the lug involves a careful selection of materials and design features to achieve optimal performance. The aluminum alloy barrel provides a balance of conductivity and strength, while the tin plating and non-oxidizing grease work together to prevent corrosion. The torque-coordinated shear bolt mechanism ensures secure and consistent cable termination, while the insulating polyolefin tubing provides safety and protection against electrical creepage.

Detailed Description of Figures:

Figure 1:
Figure 1 provides a perspective view of the re-usable sector-shaped shear bolt aluminum alloy lug. This figure showcases the overall design and structure of the lug, emphasizing several key features:

• Sector-Shaped Barrel: The barrel is designed to accommodate low voltage sector-shaped cables, increasing the contact area for improved heat dissipation and reduced contact resistance. The sector shape is clearly visible, highlighting its role in enhancing electrical performance.

• Torque-Coordinated Shear Bolt Mechanism: The figure illustrates the integration of the shear bolt mechanism within the barrel. This mechanism is crucial for securing the cable by applying a specific torque, ensuring a reliable connection without over-tightening. The bolt is designed to shear off at a predetermined torque level, providing a visual and tactile indication of proper installation.

• Tin-Plated Surface: The barrel's surface is shown with a tin plating, which serves to prevent oxidation and enhance the lug's resistance to environmental corrosion.

Figure 2:
Figure 2 offers a cross-sectional view of the lug, providing an in-depth look at the internal components and materials used in its construction:

• Internal Structure of the Barrel: The cross-section reveals the internal configuration of the sector-shaped barrel, highlighting the space designed to accommodate the cable. The aluminum alloy 6082-T6 material is shown, emphasizing its role in providing high conductivity and resistance to oxidation.

• Shear Bolt Mechanism: The cross-sectional view provides a detailed look at the shear bolt mechanism, illustrating how it interacts with the cable to secure it within the barrel. The mechanism's design ensures that the bolt shears off at a specific torque, preventing over-tightening and potential damage to the connector.

• Non-Oxidizing Grease Application: The figure shows the application of non-oxidizing grease inside the barrel. This grease is crucial for reducing contact resistance and preventing corrosion, ensuring a reliable electrical connection over time.

Figure 3:
Figure 3 presents a side view of the lug, focusing on the alignment and positioning of the shear bolt mechanism relative to the sector-shaped barrel:

• Alignment of Components: This view helps to understand the spatial arrangement of the components and how they interact during installation. The alignment ensures that the shear bolt applies even pressure across the cable, securing it effectively within the barrel.

• Barrel and Bolt Interaction: The side view highlights the interaction between the barrel and the shear bolt, demonstrating how the bolt's torque-coordinated design contributes to a secure and reliable connection.

Figure 4:
Figure 4 shows the lug with a cable inserted, demonstrating the process of securing the cable within the barrel using the shear bolt mechanism:

• Cable Insertion: The figure illustrates the ease of inserting the cable into the sector-shaped barrel, emphasizing the lug's user-friendly design.

• Securing Mechanism: The shear bolt mechanism is shown in action, applying the necessary torque to secure the cable. This figure highlights the effectiveness of the torque-coordinated design in achieving a secure connection without the risk of over-tightening.

Figure 5:
Figure 5 provides a top view of the lug, highlighting the sector shape of the barrel and the placement of the shear bolts:

• Sector Shape and Contact Area: This view offers a clear perspective on the lug's design, emphasizing the increased contact area provided by the sector shape, which enhances heat dissipation.

• Shear Bolt Placement: The top view shows the strategic placement of the shear bolts, ensuring even pressure distribution across the cable for a secure connection.

Figure 6:
Figure 6 depicts a series of installation steps, showing the process of preparing the cable, inserting it into the lug, and securing it with the shear bolt mechanism:

• Preparation and Insertion: The figure illustrates the initial steps of preparing the cable and inserting it into the lug, highlighting the simplicity and efficiency of the process.

• Securing and Insulation: The final steps show the application of torque to the shear bolt and the use of polyolefin tubing for insulation. This figure emphasizes the lug's re-usability and the absence of a need for specialized tools, making installation accessible to personnel with minimal training.

Together, Figures 1 to 6 provide a comprehensive understanding of the design, construction, and functionality of the re-usable sector-shaped shear bolt aluminum alloy lug, highlighting its innovative features and benefits for electrical cable terminations.

Best Mode of Working:
The best mode of working the invention involves the following steps:
1. Preparation: Select the appropriate lug size based on the cable size to be terminated. Ensure that the cable end is clean and free from any damage.
2. Insertion: Insert the cable into the sector-shaped barrel of the lug, ensuring that it fits snugly.
3. Securing: Use a standard torque wrench to tighten the shear bolt until it breaks at the predetermined torque level, ensuring a secure and reliable connection.
4. Insulation: Apply heat to the polyolefin tubing to shrink it around the barrel, providing electrical insulation and protection.
5. Re-use: When re-using the lug, ensure that the bolt and screw threads are undamaged and that the lug is clean and free from corrosion.

By following these steps, the invention provides a reliable, efficient, and cost-effective solution for cable terminations in various applications, enhancing system reliability and reducing operational costs.

Advantages of the Present Invention:

1. Reduced Contact Resistance:
o The sector-shaped design of the barrel increases the contact area with the cable, significantly reducing contact resistance. This minimizes the risk of hot spots and potential fire hazards, enhancing the safety and reliability of electrical systems.

2. Re-usability:
o The lug is designed to be re-usable for multiple installations, capable of being used up to six times without damage to the bolt or screw threads. This feature reduces procurement and disposal costs compared to single-use lugs, offering a more sustainable and cost-effective solution.

3. Corrosion Resistance:
o The use of aluminum alloy 6082-T6, combined with a tin-plated surface and non-oxidizing grease, provides excellent resistance to oxidation and galvanic corrosion. This ensures long-term durability and performance in various environmental conditions.

4. Ease of Installation:
o The torque-coordinated shear bolt mechanism allows for easy installation without the need for specialized tools or extensive training. This reduces installation time and labor costs, making the lug accessible to personnel with minimal training.

5. Enhanced Heat Dissipation:
o The greater cross-sectional area of the sector-shaped barrel enhances heat dissipation, reducing technical losses and improving overall system efficiency. This is particularly beneficial in high-demand environments such as utility networks and industrial installations.

6. Versatility:
o The lug is designed to accommodate a range of cable sizes, from 120-150 square millimeters to 240-300 square millimeters, offering flexibility and versatility in various applications. This range-taking capability makes it suitable for diverse electrical distribution needs.

7. Compliance with Industry Standards:
o The lug has been tested to withstand 250 load cycles as per IEC 61238 standards, with a temperature rise not exceeding 45 degrees Celsius. This ensures compliance with industry standards and provides confidence in the lug's performance and reliability.

8. Safety and Insulation:
o The insulating layer of thin wall polyolefin tubing provides electrical creepage protection, enhancing safety and reliability. This feature is crucial for preventing electrical faults and ensuring safe operation in various conditions.

9. Environmental and Economic Benefits:
o By reducing the need for single-use lugs and specialized installation tools, the invention offers both environmental and economic benefits. It supports sustainable practices by minimizing waste and lowering operational costs.

Overall, the present invention offers a comprehensive solution that addresses the limitations of traditional cable termination methods, providing enhanced performance, safety, and cost-effectiveness for modern electrical infrastructure.

The descriptions and illustrations provided in this document are intended to explain the principles of the invention and its best mode of working. They are not intended to limit the scope of the invention, which is defined by the claims. Variations and modifications to the described embodiments may be made without departing from the scope of the invention. The specific embodiments described in this document are examples of the invention and are not intended to limit the scope of the claims. The claims should be interpreted broadly to cover all equivalent structures and methods that fall within the scope of the invention. The technical specifications and details provided in this document are for illustrative purposes only. Actual implementations of the invention may vary based on specific design requirements, manufacturing processes, and application needs.
, Claims:
1. A re-usable sector-shaped shear bolt aluminum alloy lug for vertical fuse strip disconnectors (VFSDs), comprising:
a. a sector-shaped barrel configured to receive a low voltage sector-shaped cable, the barrel being made of aluminum alloy 6082-T6 to enhance conductivity and reduce oxidation;
b. a torque-coordinated shear bolt mechanism integrated with the said barrel, adapted to secure the cable within the barrel by applying a specific torque, thereby preventing over-tightening and breakage of the connector;
c. a tin-plated surface on the barrel to further prevent oxidation and enhance electrical contact;
d. a non-oxidizing grease applied inside the barrel so as to reduce contact resistance and prevent corrosion;
e. an insulating layer of thin wall polyolefin tubing surrounding the barrel to ensure electrical creepage protection;
wherein the lug is designed to be re-usable for multiple installations, and is suitable for use with cable sizes ranging from 120-150 square millimeters to 240-300 square millimeters, providing enhanced heat dissipation and ease of installation without requiring specialized tools.

2. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the aluminum alloy 6082-T6 provides a conductivity of up to 53% International Annealed Copper Standard (IACS).

3. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the torque-coordinated shear bolt mechanism is designed to break at a predetermined torque level to ensure consistent and reliable installation.

4. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the tin-plated surface of the barrel enhances the lug's resistance to environmental corrosion.

5. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the non-oxidizing grease is selected to maintain its properties over a wide temperature range.

6. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the insulating layer of thin wall polyolefin tubing is heat-shrinkable to provide a snug fit around the barrel.

7. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, further comprising a visual indicator on the shear bolt to signal when the correct torque has been applied.

8. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the lug is designed to reduce installation time by approximately 30 minutes compared to conventional lugs.

9. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the lug is configured to minimize the risk of galvanic corrosion when used in aluminum-copper or copper-copper connections.

10. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the lug is tested to withstand 250 load cycles as per IEC 61238 standards with a temperature rise not exceeding 45 degrees Celsius.

11. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the lug's design allows for easy installation by personnel with minimal training and without the need for crimping or core-turning tools.

12. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the lug's sector-shaped design increases the contact area with the cable, thereby enhancing heat dissipation.

13. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the lug is suitable for use in utility, solar, and industrial applications, including process industries and data centers.

14. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the lug is designed to reduce technical losses by maintaining a lower operating temperature.

15. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the lug is capable of being exported as a substitute for conventional tubular lugs.

16. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the lug is part of a commercial deployment strategy for utilities and industrial plants.

17. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the lug is designed to enhance customer satisfaction by reducing equipment failures and maintenance requirements.

18. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the lug's design contributes to long-term operational sustainability by integrating advanced diagnostic tools and predictive maintenance strategies.

19. The re-usable sector-shaped shear bolt aluminum alloy lug of claim 1, wherein the lug is capable of being used up to six times without damage to the bolt or screw threads.