Cembre 2503310 heavy-duty electrolytic tinned copper compression cable lug for 70 mm² copper conductors featuring dual M12 fixing holes with 44.5 mm centres for industrial electrical power connections.
£12.80
The Cembre 2503310 is a high-quality heavy-duty tinned copper compression cable lug designed to provide secure, low-resistance electrical terminations for medium and low voltage power applications. Manufactured by Cembre, this connector belongs to the robust 2A-2M series and is engineered for professional electrical installations requiring dependable long-term performance.
Manufactured from high-purity electrolytic copper and finished with a durable tin plating, the connector offers excellent electrical conductivity together with outstanding corrosion resistance. The long barrel design improves crimp performance while ensuring maximum mechanical strength and electrical reliability.
Designed for 70 mm² copper conductors, the Cembre 2503310 features a dual M12 fixing arrangement with 44.5 mm hole centres, making it suitable for switchgear, transformers, busbar connections, industrial control panels and electrical distribution equipment.
Compression cable lugs provide a permanent, low-resistance electrical connection between copper conductors and electrical equipment. When installed using the correct Cembre crimp tooling, they deliver excellent electrical conductivity, mechanical strength and long-term operational reliability.
The Cembre 2A-2M series is widely specified for industrial switchgear, control panels, transformers, power distribution systems and OEM electrical equipment where dependable high-current terminations are essential.
| Series | 2A-2M |
|---|---|
| Part number | 2503310 |
| Manufacturer reference | 2A14-2M12 |
| Product type | Heavy-duty copper compression cable lug |
| Conductor material | Copper |
| Conductor size | 70 mm² |
| Connector material | High purity electrolytic copper |
| Surface finish | Electro-tin plated |
| Barrel type | Long barrel |
| Stud holes | 2 × M12 |
| Hole centre spacing | 44.5 mm |
| Connection style | Straight compression lug |
| Installation | Compression crimping |
| HS Code | 85369010 |
| Country of Manufacture | United Kingdom (includes NI) |
It is used to create secure compression terminations between 70 mm² copper conductors and electrical equipment using a dual M12 fixing arrangement.
The connector is designed for 70 mm² copper conductors.
The lug features two M12 fixing holes with 44.5 mm centre spacing.
The electro-tin plated finish improves corrosion resistance while maintaining excellent electrical conductivity over long service life.
It is commonly installed in switchgear, transformers, distribution boards, industrial control panels and other heavy-duty electrical power systems.
Cembre compression connectors are trusted by panel builders, electrical contractors, utilities and OEM manufacturers for delivering safe, durable and high-performance electrical connections across industrial and power distribution 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...