Why Choose the Cembre 2500570 Heavy Duty Copper Tube Crimp Lug?
The Cembre 2500570 is a premium heavy-duty copper tube crimp lug engineered to provide secure, low-resistance electrical terminations for stranded copper conductors in industrial power distribution and control applications. Manufactured by Cembre, this compression terminal delivers outstanding mechanical strength and dependable long-term electrical performance.
Manufactured from annealed electrolytic copper with a high-quality electrolytic tin-plated finish, the terminal offers excellent electrical conductivity while providing outstanding resistance to corrosion and oxidation. Its double-length closed barrel design improves both electrical and mechanical performance while helping prevent the ingress of moisture and contaminants into the crimped connection.
The Cembre 2500570 is the 2A5-M10 version, designed for 25 mm² copper conductors with an M10 stud connection. It is widely used by electrical contractors, panel builders, OEM manufacturers and utility engineers for reliable cable terminations in demanding industrial environments.
Key Advantages
Heavy-duty copper tube crimp lug for demanding industrial applications.
Suitable for 25 mm² stranded copper conductors.
M10 stud fixing for secure equipment connections.
Double-length barrel provides enhanced electrical and mechanical performance.
Closed barrel helps prevent moisture ingress.
Electro-tin plated finish resists corrosion and oxidation.
Key Features
Manufacturer: Cembre.
Manufacturer Part Number: 2500570.
Alternative Product SKU: 2A5-M10.
Heavy-duty copper tube compression terminal.
Annealed electrolytic copper construction.
Electro-tin plated finish.
Long closed crimp barrel.
Suitable for professional compression crimping systems.
Reliable Electrical Connections for Industrial Applications
Heavy-duty compression lugs provide secure, low-resistance electrical joints capable of withstanding vibration, thermal cycling and demanding operating environments. When installed using the appropriate Cembre crimping tools and dies, they deliver reliable long-term electrical performance for industrial installations.
The Cembre 2A-M range is specifically developed for industrial power distribution, grounding systems and medium-voltage applications up to 35 kV, offering exceptional mechanical strength and dependable conductivity.
Typical Applications
Industrial switchgear.
Electrical control panels.
Power distribution equipment.
Motor control centres.
OEM machinery and automation systems.
Grounding and medium-voltage electrical installations.
Technical Specifications
Series
2A-M Heavy Duty Terminals
Part Number
2500570
Product type
Heavy-duty copper tube crimp lug
Conductor size
25 mm²
Stud size
M10
Stud hole diameter
10.5 mm
Entry diameter
7.0 mm
Palm width
18 mm
Overall length
55 mm
Material
Annealed electrolytic copper (>99.9% purity)
Finish
Electro-tin plated
Operating temperature
-50 °C to +150 °C
Connection type
Compression crimp
HS Code
85369010
Country of Manufacture
Italy
Frequently Asked Questions
What is the Cembre 2500570 used for?
It provides a secure compression termination for 25 mm² copper conductors using an M10 stud connection.
What cable size does this terminal support?
The Cembre 2500570 is designed for 25 mm² stranded copper conductors.
What stud size is required?
This model is designed for electrical equipment using an M10 fixing stud.
Why is there no inspection hole?
The closed barrel construction helps prevent moisture and dirt entering the crimped connection, making it particularly suitable for demanding industrial and outdoor installations.
Where is this terminal commonly installed?
It is widely used in industrial control panels, switchgear, machinery, OEM equipment and electrical power distribution systems.
Trusted by Electrical Professionals Worldwide
Cembre heavy-duty copper compression terminals are trusted by electrical contractors, utilities, OEM manufacturers and industrial engineers for delivering durable, safe and reliable electrical connections in demanding applications.
Series
2A-M Heavy Duty Terminals
Part Number
2500570
Product type
Heavy-duty copper tube crimp lug
Conductor size
25 mm²
Stud size
M10
Stud hole diameter
10.5 mm
Entry diameter
7.0 mm
Palm width
18 mm
Overall length
55 mm
Material
Annealed electrolytic copper (>99.9% purity)
Finish
Electro-tin plated
Operating temperature
-50 °C to +150 °C
Connection type
Compression crimp
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.
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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...