EM Group Tubular Ring Terminal 70mm² M12 Unplated Copper

The EM Group tubular ring terminal is a high-performance electrical component engineered for 70mm² cables, featuring a precise M12 mounting hole. Constructed from premium-grade unplated copper, this terminal is built to provide exceptional electrical conductivity and long-term reliability in demanding power distribution environments. Its robust tubular design ensures a firm grip on the conductor, facilitating a stable and efficient connection for heavy-duty electrical systems.

Advantages

The primary benefit of this terminal lies in its high-purity copper construction, which minimizes electrical resistance and prevents overheating during high-current operations. The tubular design allows for a secure crimping process, ensuring that the cable remains firmly attached even under mechanical stress or vibration. By using unplated copper, the terminal maintains excellent contact properties, making it a dependable choice for professional installers who prioritize technical performance and durability in their electrical infrastructure projects.

Suitable for

• Heavy-duty power distribution systems
• Industrial electrical panel wiring
• Grounding and earthing applications
• Large-scale electrical infrastructure projects

When it may not be suitable

This terminal is not recommended for use in highly corrosive or humid environments without additional protective measures, as the unplated copper surface is susceptible to oxidation over time. It is also not suitable for cables with cross-sections other than 70mm² or for mounting bolts that do not match the M12 specification.

Key specifications

• Cable cross-section: 70mm²
• Mounting hole diameter: 12mm (M12)
• Material: Unplated copper
• Design: Tubular ring terminal

How to use

To install the terminal, strip the insulation from the end of the 70mm² cable to the appropriate length. Insert the conductor fully into the tubular barrel of the terminal. Use a professional-grade hydraulic or manual crimping tool specifically calibrated for 70mm² tubular terminals to compress the barrel onto the cable. Once crimped, align the ring hole with the M12 stud and secure it firmly using a compatible nut and washer to ensure optimal contact pressure.

What to consider before purchase

• Verify that your cable cross-section is exactly 70mm²
• Ensure the mounting stud is M12 size
• Assess the environmental conditions to determine if unplated copper is appropriate
• Ensure you have access to a compatible heavy-duty crimping tool

Usage recommendations

For optimal performance and to prevent oxidation, it is recommended to apply an electrical joint compound to the cable strands before crimping and to protect the final connection with heat-shrink tubing or anti-corrosion spray if the installation is located in an exposed area.