Ring terminal Ergom KOR 50/10 tinned copper (model E11KM-01020104700) for electrical cable connection

Ergom ring terminal KOR 50/10 is a tinned copper eyelet designed for secure termination of 50 mm² electrical conductors and bolted connections with a 10 mm hole. The terminal provides a corrosion-resistant contact surface and mechanical stability for power distribution, switchgear, grounding bars and other electrical assemblies where a durable, low-resistance connection is required.

Advantages

The tinned copper construction ensures improved corrosion resistance compared with bare copper, extending service life in humid or industrial environments. The formed ring shape and consistent crimp barrel geometry provide reliable mechanical retention of the conductor and even compression during crimping. A 10 mm bolt hole allows easy integration with common busbars and mounting hardware while maintaining a secure electrical path with low contact resistance.

Suitable for

• Crimp termination of 50 mm² stranded copper conductors
• Bolted connections to busbars, switchgear and grounding points using a 10 mm fastener
• Power distribution panels, industrial electrical cabinets and similar installations
• Environments where improved corrosion resistance is required compared with untinned terminals

When it may not be suitable

This terminal is intended for 50 mm² conductors and a 10 mm bolt; it is not suitable for conductors of significantly different cross-section or bolt sizes. It is designed for copper conductors and may not perform as intended on aluminium conductors without proper transition connectors or anti-oxidation treatment. For applications requiring insulated or heat-shrinkable terminations, an insulated variant should be used.

Key specifications

• Conductor cross-section compatibility: 50 mm²
• Bolt hole diameter: 10 mm
• Material: copper with tin plating
• Connection type: ring/eyelet for crimp termination and bolting
• Typical use: power distribution, grounding, switchgear connections

How to use

Prepare the conductor by stripping the insulation to the appropriate length so the conductor fully enters the crimp barrel. Insert the stranded copper conductor into the barrel, ensuring no stray strands are outside the barrel. Use a suitable crimping tool or hydraulic crimper sized for 50 mm² terminals and apply a proper crimp according to tool and terminal manufacturer guidelines. Place the ring terminal over the bolt or stud, then secure with the correct torque for the connection to ensure mechanical stability and low contact resistance. If the installation is exposed to corrosive conditions, consider applying appropriate protective measures such as anti-corrosion compound or additional sealing.

What to consider before purchase

• Confirm conductor type and cross-section is 50 mm² copper to ensure compatibility
• Verify the bolted connection uses a 10 mm fastener and that appropriate washers are available
• Check whether tin plating is required for your environment or if an insulated/heat-shrink variant is necessary
• Ensure you have the correct crimping tool and know the recommended crimping procedure for reliable joints

Usage recommendations

Use a crimping tool appropriate for 50 mm² terminals and follow torque specifications for the bolt to maintain low contact resistance. For long-term installations in damp or corrosive environments, combine the tinned terminal with proper sealing or anti-corrosion measures to prolong service life.