Why Choose the Cembre 2290430 A29-M20 Copper Compression Terminal?
The Cembre 2290430 (A29-M20) is a premium copper compression ring terminal designed to provide secure, low-resistance termination of 120 mm² Class 5 flexible copper conductors. Manufactured from annealed electrolytic copper with a purity exceeding 99.95% and finished with high-quality electrolytic tin plating, it delivers outstanding electrical performance and corrosion resistance for demanding industrial applications.
As part of the trusted Cembre A-M Series, the A29-M20 incorporates a 20 mm stud connection, an inspection hole for verifying full conductor insertion and a chamfered barrel for fast, reliable cable entry. Designed for use with professional compression crimping tools, it produces durable gas-tight electrical joints that remain dependable throughout their service life.
Suitable for switchgear, control panels, power distribution equipment, transformers, industrial machinery and renewable energy installations, the Cembre 2290430 provides dependable performance wherever high-current cable terminations are required.
Key Advantages
Suitable for 120 mm² flexible copper conductors.
M20 stud fixing for heavy-duty electrical connections.
Manufactured from annealed electrolytic copper.
Electrolytically tin-plated for long-term corrosion protection.
Compatible with professional compression crimping systems.
Reliable Electrical Connections for Industrial Power Systems
Compression terminals are designed to produce permanent gas-tight electrical connections that minimise contact resistance while maximising current carrying capability. The annealed copper construction ensures consistent crimp performance, while the tin-plated finish provides excellent protection against corrosion in demanding industrial environments.
Cembre compression terminals are widely specified by electrical contractors, panel builders and OEM manufacturers for power distribution, industrial automation and heavy-duty electrical installations where reliability is essential.
Typical Applications
Industrial switchgear.
Power distribution systems.
Motor control centres.
Electrical control panels.
Industrial machinery.
Renewable energy installations.
Transformer connections.
Technical Specifications
Series
A-M Copper Compression Terminals
Manufacturer Part Number
2290430
Product type
Copper compression ring terminal
Conductor size
120 mm²
Compatible conductor
Class 5 flexible copper
Stud size
M20
Material
Annealed electrolytic copper (>99.95% purity)
Surface finish
Electrolytically tin plated
Termination method
Compression crimp
Inspection hole
Yes
Operating temperature
-50 °C to +150 °C
HS Code
85369010
Country of Manufacture
Italy
Frequently Asked Questions
What conductor size is the Cembre 2290430 designed for?
The Cembre 2290430 is designed for terminating 120 mm² flexible copper conductors.
What stud size does this terminal use?
This terminal is designed for installation onto an M20 stud.
Does the terminal include an inspection hole?
Yes. An inspection hole allows installers to verify that the conductor has been fully inserted before crimping.
Why is the terminal tin plated?
The electrolytic tin plating protects the copper against corrosion while maintaining excellent electrical conductivity.
Where is the Cembre 2290430 commonly used?
It is commonly used in switchgear, control panels, industrial machinery, transformers and power distribution systems.
Trusted by Electrical Professionals Worldwide
Cembre compression terminals are trusted worldwide by electrical contractors, panel builders and OEM manufacturers for delivering safe, durable and standards-compliant cable terminations.
Series
A-M Copper Compression Terminals
Manufacturer Part Number
2290430
Product type
Copper compression ring terminal
Conductor size
120 mm²
Compatible conductor
Class 5 flexible copper
Stud size
M20
Material
Annealed electrolytic copper (>99.95% purity)
Surface finish
Electrolytically tin plated
Termination method
Compression crimp
Inspection hole
Yes
Operating temperature
-50 °C to +150 °C
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...