Cembre 2388740 DR240-20 DIN 46235 non-insulated copper compression ring terminal for 240 mm² conductors with an M20 fixing hole and electrolytically tin-plated finish.
£26.25
The Cembre 2388740, manufacturer reference DR240-20, is a heavy-duty copper compression ring terminal designed to provide secure, low-resistance electrical connections for high-current industrial power distribution, switchgear and electrical installations. As part of the trusted Cembre DR series, this non-insulated cable lug delivers dependable long-term performance in demanding industrial environments.
Manufactured from high-purity electrolytic copper and finished with electrolytic tin plating, the DR240-20 offers exceptional electrical conductivity together with outstanding resistance to oxidation and corrosion. The annealed copper construction improves crimping performance, while the bevelled barrel entry simplifies conductor insertion and reduces stress on conductor strands during installation.
Designed for 240 mm² copper conductors with an M20 fixing stud, the Cembre DR240-20 is manufactured in accordance with DIN 46235, making it ideal for transformers, switchgear, industrial machinery, renewable energy systems and heavy-duty electrical distribution equipment requiring dependable bolted cable terminations.
Compression ring terminals provide permanent electrical connections by securely crimping stranded copper conductors using approved tooling. Correct installation creates a low-resistance electrical joint with outstanding mechanical retention, ensuring dependable long-term operation in demanding industrial environments.
The Cembre DR series combines precision manufacturing, annealed electrolytic copper construction and compliance with DIN 46235 to provide dependable cable terminations for industrial electricians, panel builders and OEM manufacturers working on high-current electrical systems.
| Series | DR |
|---|---|
| Product code | 2388740 |
| Product type | Non-insulated copper ring terminal |
| Terminal style | Closed ring compression lug |
| Nominal conductor size | 240 mm² |
| Stud size | M20 |
| Terminal material | High-purity electrolytic copper |
| Surface finish | Electrolytically tin-plated |
| Connection method | Compression crimp |
| Crimp geometry | Hexagonal |
| Standard | DIN 46235 |
| Operating temperature | -50 °C to +150 °C |
| Insulation | Non-insulated |
| HS Code | 85369010 |
| Country of Manufacture | United Kingdom (includes NI) |
The Cembre 2388740 is a copper compression ring terminal designed to terminate 240 mm² copper conductors onto M20 bolted electrical connections.
The DR240-20 is designed for 240 mm² copper conductors.
The ring terminal is designed for an M20 stud or fixing bolt.
Yes. The Cembre DR240-20 is manufactured in accordance with the DIN 46235 standard for copper compression terminals.
The terminal should be installed using a compatible Cembre compression crimping tool together with the correct die set specified for 240 mm² DR-series terminals.
Cembre copper compression terminals are trusted worldwide by panel builders, industrial electricians and OEM manufacturers for delivering secure, durable and standards-compliant electrical connections 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...