Cembre 2770550 MTA70-C bimetallic pin terminal for terminating 70 mm² aluminium conductors into copper pin terminal connections.
£25.15
The Cembre 2770550 is a premium bimetallic aluminium-to-copper pin terminal designed to provide safe, low-resistance termination of aluminium conductors into clamp and tunnel terminals used throughout industrial switchgear, distribution equipment and power systems. Manufactured by Cembre, this connector belongs to the trusted MTA-C series, offering outstanding electrical performance and long-term reliability for low and medium voltage applications.
The terminal features a high-purity aluminium barrel permanently friction welded to a solid electrolytic copper pin, ensuring an excellent electrical transition while minimising galvanic corrosion. The barrel is factory-filled with oxide-inhibiting grease and filler putty to protect against oxidation and maintain dependable performance throughout the life of the installation.
The Cembre MTA70-C (Part No. 2770550) is designed for 70 mm² aluminium conductors, making it an excellent choice for switchgear, transformers, industrial control panels, substations and utility power distribution systems requiring secure aluminium-to-copper terminations.
Cembre MTA-C bimetallic pin terminals provide a dependable method of connecting aluminium conductors to equipment designed for copper pin terminations. Their friction-welded construction delivers excellent mechanical strength while maintaining consistently low electrical resistance throughout the service life of the installation.
The MTA-C range is widely specified by utilities, panel builders, OEM manufacturers and industrial contractors where reliable aluminium cable terminations are essential for safe and efficient electrical distribution.
| Series | MTA-C |
|---|---|
| Part number | 2770550 |
| Product code | MTA70-C |
| Product type | Bimetallic pin terminal |
| Conductor material | Aluminium cable |
| Conductor size | 70 mm² |
| Pin diameter | 12 mm |
| Pin length | 45 mm |
| Overall length | 97 mm |
| Cable stripping length | 47.3 mm |
| Construction | Aluminium barrel with electrolytic copper pin |
| Grease filled | Yes |
| Crimp geometry | Deep indent |
| Operating temperature | -50°C to +150°C |
| HS Code | 85369010 |
| Country of Manufacture | Italy |
It is used to terminate 70 mm² aluminium conductors into electrical equipment designed for copper pin terminal connections.
The aluminium barrel and copper pin provide a reliable transition between aluminium conductors and copper terminals while reducing galvanic corrosion.
The terminal is designed for 70 mm² aluminium conductors.
Yes. The aluminium barrel is factory-filled with oxide-inhibiting grease and sealing compound to minimise oxidation and improve long-term electrical performance.
Typical installations include switchgear, transformers, industrial control panels, distribution equipment and utility power systems.
Cembre electrical connectors are trusted by utilities, panel builders and industrial engineers worldwide for delivering safe, reliable and durable electrical connections in demanding power distribution environments.
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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...