Cembre 2170070 A2-M4 non-insulated electrolytic copper ring terminal for 10 mm² conductors with M4 stud connection.
£0.53
The Cembre 2170070 A2-M4 is a premium non-insulated copper ring terminal engineered to provide secure, low-resistance electrical terminations in industrial and commercial electrical installations. Manufactured from high-purity electrolytic copper and finished with electrolytic tin plating, it delivers excellent conductivity, corrosion resistance and long-term mechanical reliability for demanding applications.
As part of the trusted Cembre A-M Series, the A2-M4 terminal features an annealed seamless copper barrel with a chamfered cable entry and inspection hole. These features simplify conductor insertion, improve crimp quality and reduce the risk of conductor strand damage during installation, ensuring consistent electrical performance.
Designed for 10 mm² copper conductors with an M4 fixing stud, the Cembre 2170070 is widely used in control panels, switchgear, industrial machinery, OEM equipment and general electrical installations where dependable bolted cable terminations are essential.
Cembre A-M Series terminals are engineered to provide dependable, low-resistance electrical connections across industrial applications. The annealed copper construction improves crimp performance while the electrolytic tin-plated finish protects against oxidation and corrosion for long service life.
The chamfered barrel and inspection hole simplify installation and enable consistent, professional-quality cable terminations, making these terminals a preferred choice for panel builders, electrical contractors and OEM manufacturers.
| Manufacturer Part Number | 2170070 |
|---|---|
| Alternative Part Number | A2-M4 |
| Product type | Non-insulated copper ring terminal |
| Series | A-M |
| Conductor size | 10 mm² |
| Stud size | M4 (4.3 mm hole) |
| Material | Electrolytic copper (>99.9% purity) |
| Finish | Electrolytic tin plated |
| Overall length | 22.5 mm |
| Cable entry diameter | 4.6 mm |
| Cable stripping length | 9 mm |
| Inspection hole | Yes |
| Installation | Compression crimp |
| Compliance | UL 486A-486B, RoHS compliant |
| HS Code | 85369010 |
| Country of Manufacture | Italy |
It is a non-insulated copper ring terminal designed to terminate 10 mm² copper conductors onto M4 threaded studs.
The A2-M4 is designed for 10 mm² copper conductors.
It is manufactured from electrolytic copper with a purity greater than 99.9% and finished with electrolytic tin plating for excellent conductivity and corrosion resistance.
The inspection hole allows installers to verify that the conductor has been fully inserted before compression crimping.
It is commonly installed in control panels, switchgear, machinery, OEM equipment and industrial electrical systems.
Cembre A-M Series copper terminals are trusted by electrical contractors, panel builders and industrial OEMs for delivering reliable, professional-quality electrical terminations across demanding industrial applications.
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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...