Why Choose the Cembre 2500030 2A3-M8 Heavy Duty Copper Ring Terminal?
The Cembre 2500030 (2A3-M8) is a premium heavy-duty copper compression ring terminal engineered for secure cable termination in industrial power distribution, switchgear, grounding systems and medium-voltage installations. Manufactured from greater than 99.9% purity electrolytic copper and electro-tin plated, it delivers outstanding electrical conductivity, corrosion resistance and long-term mechanical performance.
As part of the renowned Cembre 2A-M Series, this long-barrel terminal is specifically designed for demanding applications where maximum electrical and mechanical integrity is required. The annealed copper construction provides optimum ductility during compression, while the seamless barrel design without an inspection hole helps prevent moisture ingress, making it suitable for indoor, outdoor and medium-voltage installations up to 35 kV.
Designed for 16 mm² copper conductors with an M8 fixing hole, the Cembre 2500030 is widely used by panel builders, electrical contractors, utilities and industrial maintenance engineers where dependable heavy-duty cable termination is essential.
Key Advantages
Heavy-duty compression ring terminal for demanding industrial applications.
Electro-tin plated finish offers superior corrosion resistance.
Long barrel design improves electrical and mechanical performance.
Seamless barrel without inspection hole reduces moisture ingress.
Suitable for grounding and medium-voltage installations up to 35 kV.
Key Features
Cembre 2A-M Series heavy-duty ring terminal.
Manufacturer Part Number: 2500030.
Alternative Part: 2A3-M8.
Suitable for 16 mm² copper conductors.
M8 stud hole.
Manufactured from annealed electrolytic copper.
Electro-tin plated surface treatment.
Designed for professional compression crimping.
Reliable Heavy-Duty Cable Terminations
Heavy-duty compression terminals provide secure, low-resistance electrical connections while delivering exceptional mechanical strength. Manufactured from annealed electrolytic copper and protected with electro-tin plating, the Cembre 2A-M Series provides reliable long-term performance in industrial power and grounding applications.
The long barrel construction provides increased conductor contact area and enhanced pull-out strength, making the terminal particularly suitable for demanding installations subject to vibration, mechanical loading and harsh environmental conditions.
Typical Applications
Industrial switchgear.
Electrical control panels.
Grounding and earthing systems.
Medium-voltage installations.
Power distribution equipment.
Industrial maintenance and OEM machinery.
Technical Specifications
Series
2A-M Heavy Duty Compression Terminals
Manufacturer Part Number
2500030
Product type
Heavy-duty copper compression ring terminal
Conductor size
16 mm² copper
Stud size
M8
Material
Annealed electrolytic copper (>99.9% purity)
Surface finish
Electro-tin plated
Barrel type
Long barrel, seamless construction
Application voltage
Suitable for medium-voltage installations up to 35 kV
Installation method
Compression crimping
HS Code
85369010
Country of Manufacture
Italy
Frequently Asked Questions
What is the Cembre 2500030 used for?
The 2500030 is a heavy-duty copper compression ring terminal designed for terminating 16 mm² copper conductors in industrial power, grounding and medium-voltage applications.
What cable size does this terminal support?
The terminal is designed for 16 mm² copper conductors.
What stud size does it fit?
The terminal features an M8 fixing hole for secure installation onto equipment and busbars.
Why is there no inspection hole?
The seamless barrel design helps prevent moisture and contamination entering the crimp, making it suitable for outdoor and demanding environments.
Can it be used in medium-voltage applications?
Yes. The Cembre 2A-M Series is suitable for grounding applications and medium-voltage installations up to 35 kV when correctly installed.
Trusted by Electrical Professionals Worldwide
Cembre heavy-duty compression terminals are trusted by electrical contractors, utilities, panel builders and industrial engineers for delivering secure, durable electrical connections in demanding industrial and power distribution applications.
Series
2A-M Heavy Duty Compression Terminals
Manufacturer Part Number
2500030
Product type
Heavy-duty copper compression ring terminal
Conductor size
16 mm² copper
Stud size
M8
Material
Annealed electrolytic copper (>99.9% purity)
Surface finish
Electro-tin plated
Barrel type
Long barrel, seamless construction
Application voltage
Suitable for medium-voltage installations up to 35 kV
Installation method
Compression crimping
HS Code
85369010
Country of Manufacture
Italy
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...