Cembre 2163510 S6-M3 uninsulated copper ring terminal for 4–6 mm² conductors with M3 stud connection.
£0.38
The Cembre 2163510, also identified as the S6-M3, is a premium uninsulated copper ring terminal engineered for secure and reliable termination of stranded copper conductors. Manufactured from high-purity electrolytic copper with a corrosion-resistant tin-plated finish, it provides excellent electrical conductivity and dependable long-term performance in industrial and commercial electrical installations.
Its closed ring design provides a secure mechanical connection when fastened to an M3 stud or screw, making it particularly suitable for applications subject to vibration or frequent maintenance. The knurled barrel enhances conductor grip during crimping while the brazed seam construction provides additional mechanical strength.
Designed for 4–6 mm² copper conductors, the Cembre 2163510 is widely used in control panels, switchgear, machinery, OEM equipment and power distribution systems where dependable electrical connections are essential.
Ring terminals provide one of the most secure methods of terminating conductors onto threaded studs and terminal screws. Their closed-ring construction helps prevent accidental disconnection while maintaining excellent electrical contact in environments subject to vibration and mechanical stress.
The Cembre S6-M3 is manufactured from annealed electrolytic copper with a high-quality tin-plated finish, delivering outstanding conductivity, corrosion resistance and dependable long-term performance in demanding industrial environments.
| Series | S Series Uninsulated Ring Terminals |
|---|---|
| Product code | 2163510 |
| Product type | Uninsulated ring terminal |
| Conductor size | 4–6 mm² |
| Stud / screw size | M3 |
| Material | Electrolytic copper |
| Surface finish | Electrolytic tin plated |
| Termination method | Crimp |
| Operating temperature | -50°C to +150°C |
| Cable stripping length | 7 mm |
| ETIM classification | EC001052 |
| HS Code | 85369010 |
| Country of Manufacture | Italy |
The Cembre 2163510 is used to terminate 4–6 mm² stranded copper conductors onto M3 stud or screw connections in industrial electrical installations.
The corresponding Cembre catalogue reference is S6-M3.
This ring terminal is designed for stranded copper conductors with cross-sectional areas from 4 mm² to 6 mm².
It is manufactured from high-purity electrolytic copper with an electrolytic tin-plated finish for improved corrosion resistance and excellent conductivity.
The conductor is stripped, inserted into the barrel and crimped using a compatible crimping tool before fastening the ring onto an M3 stud or terminal screw.
Cembre electrical terminals are trusted by panel builders, automation engineers and electrical contractors worldwide for delivering secure, durable and high-performance conductor terminations.
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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...