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2770550 Cembre MTA70-C BIMET PIN TERMINAL
Cembre 2770550 MTA70-C bimetallic pin terminal for terminating 70 mm² aluminium conductors into copper pin terminal connections.
£20.12
Why Choose the Cembre 2770550 Bimetallic Pin Terminal?
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.
Key Advantages
- Premium bimetallic aluminium-to-copper pin terminal.
- Suitable for 70 mm² aluminium conductors.
- Solid copper pin for reliable clamp terminal connections.
- Friction-welded construction minimises galvanic corrosion.
- Factory-filled with oxide-inhibiting grease and sealing compound.
- Excellent electrical conductivity and long service life.
Key Features
- Manufacturer: Cembre.
- Manufacturer Part Number: 2770550.
- Product Code: MTA70-C.
- Series: MTA-C Bimetallic Pin Terminals.
- Conductor size: 70 mm² aluminium.
- Pin diameter: 12 mm.
- Solid electrolytic copper pin.
- Aluminium barrel with oxide-inhibiting grease.
- Deep indent compression crimp design.
- Suitable for industrial and utility applications.
Reliable 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 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.
Typical Applications
- Industrial switchgear.
- Electrical distribution boards.
- Industrial control panels.
- Power transformers.
- Utility power distribution systems.
- OEM electrical equipment.
Technical Specifications
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| Suitable Conductor Material | Aluminium (to copper busbar) | |
|---|---|---|
| Device Type | Pin Terminal | |
| Conductor Size | 70 mm² | |
| Material | Bimetallic (Cu/Al) | |
| 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 |
Frequently Asked Questions
What is the Cembre 2770550 used for?
It is used to terminate 70 mm² aluminium conductors into electrical equipment designed for copper pin terminal connections.
Why is the terminal bimetallic?
The aluminium barrel and copper pin provide a reliable transition between aluminium conductors and copper terminals while reducing galvanic corrosion.
What conductor size is supported?
The terminal is designed for 70 mm² aluminium conductors.
Does the connector contain oxide-inhibiting grease?
Yes. The aluminium barrel is factory-filled with oxide-inhibiting grease and sealing compound to minimise oxidation and improve long-term electrical performance.
Where is this terminal commonly installed?
Typical installations include switchgear, transformers, industrial control panels, distribution equipment and utility power systems.
Trusted by Electrical Professionals Worldwide
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.
