Cembre 2770020 MTA25-C bimetallic pin terminal for terminating 25 mm² aluminium conductors into copper pin terminal connections.
£25.15
The Cembre 2770020 is a premium bimetallic aluminium-to-copper pin terminal designed to provide safe, reliable termination of aluminium conductors into clamp and tunnel terminals commonly found in switchgear, distribution boards and industrial electrical equipment. Manufactured by Cembre, this connector belongs to the proven MTA-C series, offering dependable long-term electrical performance in demanding low and medium voltage applications.
The terminal features a high-purity aluminium barrel friction welded to a solid electrolytic copper pin, providing an excellent electrical transition while minimising galvanic corrosion. The barrel is factory-filled with oxide-inhibiting grease to reduce oxidation and improve long-term reliability after installation.
The Cembre MTA25-C (Part No. 2770020) is designed for 25 mm² aluminium conductors, making it an ideal solution for industrial control panels, transformers, switchgear, electrical distribution equipment and utility installations requiring dependable aluminium-to-copper connections.
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 together with consistently low electrical resistance.
The MTA-C series is widely used by panel builders, utilities, industrial contractors and OEM manufacturers for switchgear, transformers and power distribution systems where reliable aluminium cable terminations are essential.
| Series | MTA-C |
|---|---|
| Part number | 2770020 |
| Product code | MTA25-C |
| Product type | Bimetallic pin terminal |
| Conductor material | Aluminium cable |
| Conductor size | 25 mm² |
| Pin diameter | 8 mm |
| Pin length | 30 mm |
| Overall length | 82 mm |
| Construction | Aluminium barrel with copper pin |
| Grease filled | Yes |
| Crimp type | Deep indent compression |
| Operating temperature | -50°C to +150°C |
| HS Code | 85369010 |
| Country of Manufacture | Italy |
It is used to terminate 25 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 25 mm² aluminium conductors.
Yes. The aluminium barrel is factory-filled with oxide-inhibiting grease 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...