SJL Series Grounding Block – 100A Max Current Copper Alloy Construction with 50mm Bottom Diameter for Transmission Lines

SJL Series Grounding Block – 100A Max Current Copper Alloy Grounding for Transmission Lines

Product Overview

The SJL series Grounding Block is a critical component for electrical safety in power distribution and transmission systems. Designed to create a permanent, low-resistance connection between grounding conductors, ground rods, and equipment frames, it ensures that fault currents have a safe path to earth. Constructed from high-conductivity casting steel and copper alloy, the grounding block provides 100A maximum current capacity and features a robust design for long-term reliability. Available in models for Φ38 and Φ48 conductors with bottom diameters of Φ46mm and Φ56mm respectively.

Technical Specifications

Applications

· Power distribution and transmission system grounding

· Temporary grounding during conductor stringing operations

· Lightning protection and surge dissipation systems

· Substation equipment grounding connections

Product Advantages

· Low Resistance Design — High-conductivity casting steel construction minimizes connection resistance, ensuring sufficient fault current flow for protective device operation.

· 100A Maximum Current Capacity — Rated for 100A continuous current, providing a robust safety margin for power system grounding applications.

· Durable Casting Steel Construction — Heavy-duty casting steel body withstands mechanical stress, thermal cycling, and environmental exposure for decades of reliable service.

· Versatile Conductor Compatibility — Available for Φ38 and Φ48 conductors, with models for both standard conductors and steel wire rope grounding wires.

Frequently Asked Questions (FAQ)

Q: What is the maximum current rating of this grounding block?

A: The SJL series grounding blocks are rated for 100A maximum current, suitable for power distribution and transmission grounding applications.

Q: What materials are used in construction?

A: The grounding block body is made of high-quality casting steel, providing excellent conductivity and mechanical strength.

Q: Can this be used for temporary grounding during line stringing?

A: Yes, it is suitable for temporary grounding during conductor stringing operations to dissipate induced voltages.

Q: What conductor sizes are compatible?

A: Models are available for Φ38 conductors (SJL38-100) and Φ48 conductors (SJL48-100), plus a steel wire rope version (SJT38-100).

Q: What is the bottom diameter dimension used for?

A: The bottom diameter determines the mounting interface with the support structure. Φ46mm and Φ56mm options are available.