Why Choose the Cembre 2500530 Heavy Duty Copper Tube Crimp Lug?
The Cembre 2500530 is a premium heavy-duty copper tube crimp lug designed to provide secure, low-resistance electrical terminations for stranded copper conductors in demanding industrial and power distribution applications. Manufactured by Cembre, it delivers outstanding mechanical strength and long-term electrical reliability for professional installations.
Manufactured from annealed high-purity electrolytic copper and finished with electrolytic tin plating, the 2500530 offers excellent conductivity together with exceptional resistance to corrosion and oxidation. The heavy-duty long barrel design enhances both electrical and mechanical performance while the closed barrel construction helps prevent the ingress of moisture and contaminants.
The Cembre 2500530 is the 2A5-M8 version, designed for 25 mm² copper conductors with an M8 stud connection. It is widely used by electrical contractors, panel builders and OEM manufacturers in switchgear, control panels, machinery and power distribution systems.
Key Advantages
Heavy-duty copper tube crimp lug for industrial applications.
Suitable for 25 mm² stranded copper conductors.
M8 stud fixing for secure electrical connections.
Long barrel provides improved crimp performance and conductor retention.
Electro-tin plated to resist corrosion and oxidation.
Suitable for professional hexagonal or indent crimping.
Reliable Electrical Connections for Industrial Applications
Heavy-duty compression lugs provide secure, low-resistance electrical joints capable of withstanding vibration, thermal cycling and demanding industrial operating conditions. When installed using the correct Cembre crimping system, they deliver dependable long-term electrical performance.
The Cembre 2A-M range is designed for industrial power distribution, grounding systems and medium-voltage applications up to 35 kV where high mechanical strength and reliable conductivity are essential.
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
2500530
Product type
Heavy-duty copper tube crimp lug
Conductor size
25 mm²
Stud size
M8
Stud hole diameter
8.4 mm
Entry diameter
7.0 mm
Palm width
15 mm
Barrel length
34 mm
Overall length
51 mm
Material
Annealed electrolytic copper
Finish
Electro-tin plated
Connection type
Compression crimp
HS Code
85369010
Country of Manufacture
Italy
Frequently Asked Questions
What is the Cembre 2500530 used for?
It provides a secure compression termination for 25 mm² copper conductors using an M8 stud connection.
What cable size is supported?
The terminal is designed for 25 mm² stranded copper conductors.
What stud size does this lug fit?
This version is manufactured for equipment using an M8 fixing stud.
Why doesn't the lug have an inspection hole?
The closed barrel design helps prevent moisture and dirt entering the crimped connection, making it suitable for demanding indoor and outdoor environments.
Where is this terminal commonly installed?
It is widely used in switchgear, control panels, machinery, power distribution systems and industrial electrical installations.
Trusted by Electrical Professionals Worldwide
Cembre heavy-duty copper tube terminals are trusted by electrical contractors, OEM manufacturers and industrial engineers for delivering durable, safe and reliable electrical connections in demanding applications.
Series
2A-M Heavy Duty Terminals
Part Number
2500530
Product type
Heavy-duty copper tube crimp lug
Conductor size
25 mm²
Stud size
M8
Stud hole diameter
8.4 mm
Entry diameter
7.0 mm
Palm width
15 mm
Barrel length
34 mm
Overall length
51 mm
Material
Annealed electrolytic copper
Finish
Electro-tin plated
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...