Why Choose the Cembre 2181510 A3B-M8 Copper Compression Terminal?
The Cembre 2181510, also identified as the Cembre A3B-M8, is a premium straight copper compression terminal engineered to provide secure, low-resistance electrical connections for stranded and flexible copper conductors. Designed for demanding industrial environments, it delivers dependable performance in switchgear, electrical panels, machinery and power distribution systems.
Manufactured from high-purity annealed electrolytic copper and finished with an electrolytic tin plating, the terminal combines excellent electrical conductivity with outstanding corrosion resistance and mechanical durability. The seamless barrel incorporates an internal taper and inspection hole to simplify conductor insertion and ensure consistent crimping performance.
Designed for 16 mm² copper conductors and featuring an M8 fixing hole, the Cembre A3B-M8 is ideally suited to industrial control panels, motor control centres, OEM equipment and commercial electrical installations requiring professional compression terminations.
Key Advantages
Straight compression terminal for reliable electrical connections.
Suitable for 16 mm² copper conductors.
M8 fixing hole for secure bolted installation.
Manufactured from annealed electrolytic copper for maximum conductivity.
Inspection hole assists correct conductor positioning before crimping.
Key Features
Cembre A-B Series straight compression terminal.
Manufacturer Part Number: 2181510.
Alternative SKU: A3B-M8.
Nominal conductor size: 16 mm².
M8 ring terminal.
High-purity electrolytic copper construction.
Electrolytically tin-plated finish.
Internal taper and inspection hole for easy installation.
Reliable Copper Cable Termination for Industrial Installations
Compression terminals create permanent electrical and mechanical connections when installed using compatible professional crimping tools and correctly matched dies. Their seamless copper construction provides low contact resistance while delivering excellent resistance to vibration and conductor pull-out in demanding industrial environments.
The straight palm configuration is ideal where conductors approach the fixing point directly, providing a compact, reliable termination for switchgear, distribution equipment, industrial machinery and control panels.
Typical Applications
Industrial control panels.
Power distribution equipment.
Switchgear assemblies.
Motor control centres.
Machine building and OEM equipment.
Commercial and industrial electrical installations.
Technical Specifications
Series
A-B Series
Manufacturer Part Number
2181510
Product Type
Straight copper compression terminal
Terminal Style
Ring terminal
Conductor Material
Copper
Nominal Conductor Size
16 mm²
Stud Size
M8
Material
Annealed electrolytic copper
Surface Finish
Electrolytically tin plated
Termination Method
Compression crimp
Inspection Hole
Yes
Maximum Voltage
Up to 11 kV (application dependent)
Operating Temperature
-50 °C to +150 °C
HS Code
85369010
Country of Manufacture
Italy
Frequently Asked Questions
What is the Cembre 2181510 used for?
The Cembre 2181510 is used to create a secure compression termination on 16 mm² copper conductors using an M8 bolted connection.
What conductor size does the A3B-M8 support?
The terminal is designed for 16 mm² copper conductors.
What fixing-hole size does this terminal have?
The Cembre A3B-M8 features an M8 mounting hole for secure bolted electrical connections.
Why is the terminal tin plated?
The electrolytically tin-plated finish helps prevent oxidation and improves long-term corrosion resistance while maintaining excellent electrical conductivity.
How should the Cembre 2181510 be installed?
The conductor should be fully inserted into the barrel and compressed using a compatible professional crimping tool with the correct die set for the conductor size.
Trusted by Electrical Professionals Worldwide
Cembre compression terminals are trusted by electrical contractors, panel builders and industrial engineers for their exceptional manufacturing quality, reliable crimp performance and long service life in demanding electrical installations.
Series
A-B Series
Manufacturer Part Number
2181510
Product Type
Straight copper compression terminal
Terminal Style
Ring terminal
Conductor Material
Copper
Nominal Conductor Size
16 mm²
Stud Size
M8
Material
Annealed electrolytic copper
Surface Finish
Electrolytically tin plated
Termination Method
Compression crimp
Inspection Hole
Yes
Maximum Voltage
Up to 11 kV (application dependent)
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.
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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...