EM Group Tubular Ring Terminal 120mm² M12 Tinned Copper

The EM Group tubular ring terminal is a high-performance electrical component engineered for the secure termination of 120mm² copper conductors. Designed with precision, this terminal features an M12 stud hole, making it compatible with a wide range of industrial electrical hardware. The construction utilizes high-quality copper that has been tinned to provide superior electrical conductivity while offering robust protection against oxidation and environmental corrosion, ensuring long-term reliability in demanding electrical systems.

Advantages

This tubular ring terminal offers exceptional mechanical strength and electrical efficiency, which are critical for heavy-duty power distribution applications. The tinned copper material ensures a low-resistance connection that minimizes heat buildup during operation. Its tubular design allows for easy insertion of the conductor, facilitating a consistent and reliable crimping process that results in a vibration-resistant connection suitable for both indoor and outdoor industrial environments.

Suitable for

• Industrial power distribution systems
• Switchgear and control panel wiring
• Heavy-duty electrical installations
• Connection of large cross-section copper cables to busbars or studs

When it may not be suitable

This terminal is specifically designed for 120mm² copper conductors and is not suitable for use with aluminum cables due to the risk of galvanic corrosion. It is also not intended for applications requiring smaller or larger cable gauges, as improper sizing will result in an insecure and potentially hazardous electrical connection.

Key specifications

• Conductor cross-section: 120mm²
• Stud hole diameter: M12
• Material: Tinned copper
• Design: Tubular ring terminal

How to use

To install the terminal, first strip the insulation from the end of the 120mm² copper cable to the appropriate length required by the terminal barrel. Insert the conductor fully into the tubular section of the terminal. Using a professional-grade hydraulic or manual crimping tool compatible with 120mm² terminals, apply sufficient pressure to create a permanent, gas-tight connection. Once crimped, secure the terminal to the M12 stud using a compatible nut and washer, ensuring the connection is tightened to the manufacturer's specified torque settings.

What to consider before purchase

• Ensure the cable cross-section matches the 120mm² specification exactly
• Verify that the M12 stud size is compatible with your existing equipment
• Confirm the availability of a suitable crimping tool for 120mm² terminals
• Check environmental conditions to ensure tinned copper is appropriate for the application

Usage recommendations

Always use a calibrated crimping tool to ensure the integrity of the connection. Inspect the crimp joint periodically for signs of overheating or mechanical stress, especially in high-vibration environments.