Copper Bonded
Earthing Electrode
Excellent Conductivity
Corrosion Resistant
Strong & Durable
Long Lasting Performance
Copper Bonded Earthing Electrode
A copper bonded earthing rod is a grounding electrode manufactured by molecularly bonding a high-purity copper coating to a high-tensile, low-carbon steel core. It combines the superior electrical conductivity and corrosion resistance of copper with the mechanical strength of steel, providing an efficient and durable earthing solution for electrical grounding systems.
Construction
Core Material
High tensile low-carbon steel
Outer Coating
Electrolytically bonded copper
Copper Purity
99.9%
Copper Bond Thickness
Minimum 250 microns (or as specified)
Standard Sizes
| Diameter | Length |
|---|---|
| 14.2 mm | 1.0 m |
| 14.2 mm | 1.2 m |
| 14.2 mm | 1.5 m |
| 14.2 mm | 2.0 m |
| 14.2 mm | 3.0 m |
| 16 mm | 2.0 m |
| 16 mm | 3.0 m |
| 17.2 mm | 2.0 m |
| 17.2 mm | 3.0 m |
| 20 mm | 2.0 m |
| 20 mm | 3.0 m |
| 25 mm | 3.0 m |
Features
- Excellent electrical conductivity
- High corrosion resistance
- Strong steel core for easy driving into the ground
- Long service life (typically over 30 years under suitable soil conditions)
- Low maintenance
- Suitable for all soil types
- Threaded ends available for coupling and extending rod depth
- Compatible with standard grounding accessories
Technical Specifications
- Material: Copper bonded steel
- Copper Purity: 99.9%
- Copper Bond Thickness: Minimum 250 microns
- Steel Tensile Strength: Approximately 600–700 N/mm²
- Surface Finish: Smooth and uniform copper coating
- Connection: Threaded or plain ends, depending on design
Advantages
- Provides low-resistance grounding.
- Ensures reliable dissipation of fault and lightning currents.
- Highly resistant to corrosion in most soil conditions.
- Greater mechanical strength than solid copper rods.
- Easy to transport and install.
- Cost-effective with a long operational life.
Applications
- Residential buildings
- Commercial complexes
- Industrial plants
- Low maintenance
- Electrical substations
- Solar power projects
- Wind power installations
- Telecom towers
- Data centers
- Hospitals
- Railway electrification
- Lightning protection systems
Installation
The copper bonded earthing rod is driven vertically into the ground using a driving head. Where greater depth is required to achieve the desired earth resistance, additional rods can be joined using threaded couplers. The rod is connected to the earthing conductor using approved bronze or copper alloy clamps to ensure a secure and low-resistance electrical connection.
Copper bonded earthing rods are widely used in modern grounding systems because they offer an excellent balance of conductivity, durability, strength, and economy, ensuring safe and reliable protection for electrical installations.
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