Why Choose the Cembre 2240310 A14-M14 Copper Cable Lug?
The Cembre 2240310, also identified as A14-M14, is a premium copper compression cable lug engineered to provide secure, low-resistance electrical terminations for industrial power distribution, switchgear and control panel applications. Manufactured from high-purity annealed electrolytic copper with a durable electro-tinned finish, it delivers exceptional electrical conductivity, corrosion resistance and long-term mechanical reliability.
Part of the trusted Cembre A-M Series, this compression cable lug is designed for 70 mm² stranded copper conductors and 50–70 mm² Class 5 flexible copper conductors. Featuring an M14 stud fixing, internally chamfered barrel and integrated inspection hole, it enables rapid conductor insertion and dependable compression crimping for professional installations. The lug is manufactured from electrolytic copper tube conforming to UNI EN 13600 and is annealed to maximise ductility and vibration resistance.
Ideal for electrical contractors, panel builders, OEM manufacturers and industrial maintenance engineers, the Cembre A14-M14 is widely used in industrial machinery, motor control centres, switchgear and electrical distribution systems where dependable cable terminations are essential.
Key Advantages
Premium copper compression cable lug for industrial applications.
Suitable for 70 mm² stranded and 50–70 mm² flexible copper conductors.
M14 stud fixing provides a secure mechanical and electrical connection.
Manufactured from annealed electrolytic copper for excellent conductivity.
Electro-tin plated to resist oxidation and corrosion.
Inspection hole ensures correct conductor insertion before crimping.
Key Features
Cembre A-M Series copper compression cable lug.
Manufacturer Part Number: 2240310.
Alternative Model: A14-M14.
Suitable for 70 mm² stranded and 50–70 mm² flexible copper conductors.
M14 fixing hole.
Annealed electrolytic copper construction.
Electro-tinned finish.
Chamfered barrel with inspection hole.
Excellent resistance to vibration and mechanical stress.
Reliable Electrical Connections for Industrial Applications
Compression cable lugs create permanent, vibration-resistant electrical terminations with exceptionally low contact resistance, helping improve system efficiency while reducing maintenance requirements in demanding industrial environments.
Manufactured from high-purity electrolytic copper and electro-tinned to prevent oxidation, the Cembre A-M Series combines excellent electrical conductivity with outstanding mechanical strength. The annealed construction allows the connector to withstand severe deformation during crimping while maintaining long-term reliability in industrial power applications.
Typical Applications
Industrial control panels.
Electrical switchgear.
Power distribution systems.
Motor control centres.
OEM machinery manufacture.
Industrial electrical installations.
Technical Specifications
Series
A-M Copper Compression Cable Lugs
Manufacturer Part Number
2240310
Product type
Copper compression cable lug
Conductor size
70 mm² stranded / 50–70 mm² flexible
Stud size
M14
Material
Annealed electrolytic copper (>99.9% purity)
Finish
Electro-tin plated
Internal barrel diameter
11.3 mm
Palm width
25 mm
Overall length
59 mm
Installation
Compression crimp
Operating temperature
-50°C to +150°C
Standards
UNI EN 13600, UL 486A-486B
RoHS compliant
Yes
HS Code
85369010
Country of Manufacture
Italy
Frequently Asked Questions
What is the Cembre 2240310 used for?
The Cembre 2240310 provides secure compression terminations for 70 mm² stranded and 50–70 mm² flexible copper conductors in industrial electrical installations.
What cable sizes does this lug support?
It is suitable for 70 mm² stranded copper conductors and 50–70 mm² Class 5 flexible copper conductors.
Why is the lug electro-tinned?
The electro-tinned finish protects against oxidation and corrosion while maintaining excellent long-term electrical conductivity.
What is the inspection hole used for?
The inspection hole allows installers to verify full conductor insertion before compression crimping, ensuring a reliable electrical connection.
Where is this cable lug commonly installed?
It is widely used in industrial control panels, switchgear, motor control centres, machinery and electrical power distribution systems.
Trusted by Electrical Professionals Worldwide
Cembre copper compression cable lugs are trusted by electrical contractors, OEM manufacturers and panel builders worldwide for delivering reliable, durable and high-performance electrical connections in demanding industrial environments.
Series
A-M Copper Compression Cable Lugs
Manufacturer Part Number
2240310
Product type
Copper compression cable lug
Conductor size
70 mm² stranded / 50–70 mm² flexible
Stud size
M14
Material
Annealed electrolytic copper (>99.9% purity)
Finish
Electro-tin plated
Internal barrel diameter
11.3 mm
Palm width
25 mm
Overall length
59 mm
Installation
Compression crimp
Operating temperature
-50°C to +150°C
Standards
UNI EN 13600, UL 486A-486B
RoHS compliant
Yes
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...