Cembre 2164210 S6-U4 non-insulated tin-plated electrolytic copper compression fork terminal for 4-6 mm² conductors with M4 fork opening.
£0.24
The Cembre 2164210 (S6-U4) is a premium non-insulated copper compression fork terminal designed to provide secure, low-resistance electrical connections while allowing fast installation and removal without completely removing the fixing screw. Manufactured from high-purity electrolytic copper with an electrolytic tin-plated finish, it delivers outstanding electrical conductivity, corrosion resistance and dependable long-term performance.
Designed for professional electricians, panel builders and OEM machine manufacturers, the S6-U4 features a brazed seam barrel with internal knurling to maximise conductor retention and ensure consistent crimp quality. Suitable for 4–6 mm² copper conductors, it accommodates an M4 fixing stud, making it ideal for industrial control panels, machinery and automation equipment.
Its durable construction and precision manufacturing make it an excellent choice for electrical control panels, switchgear, motor control centres and power distribution systems where reliable cable terminations are essential.
Fork terminals provide secure bolted electrical connections while allowing rapid removal and replacement without completely removing the fixing screw. This makes them particularly suitable for control panels, machinery and equipment requiring regular maintenance.
The Cembre S Series combines high-purity electrolytic copper, precision manufacturing and corrosion-resistant tin plating to deliver dependable cable terminations for industrial automation, switchgear and power distribution applications.
| Series | S Series Fork Terminals |
|---|---|
| Manufacturer Part Number | 2164210 |
| Product type | Non-insulated compression fork terminal |
| Material | Electrolytic copper (>99.9% purity) |
| Surface finish | Electrolytic tin plated |
| Conductor size | 4–6 mm² |
| Stud size | M4 |
| Cable stripping length | 7 mm |
| Operating temperature | -50°C to +150°C |
| Connection type | Compression crimp |
| Packed quantity | 100 |
| HS Code | 85369010 |
| Country of Manufacture | Italy |
It provides a secure crimped fork termination for 4–6 mm² copper conductors in industrial electrical installations.
The S6-U4 is suitable for 4–6 mm² copper conductors.
It is designed for an M4 fixing stud.
A fork terminal allows quick installation or removal without completely removing the fixing screw, reducing maintenance time.
It is widely used in electrical control panels, machinery, switchgear, automation systems and industrial power distribution equipment.
Cembre compression terminals are trusted by electrical contractors, panel builders and industrial OEMs for producing safe, reliable and long-lasting electrical connections in 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...