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2509850 Cembre 2A120-M12 COPPER TERMINAL
Cembre 2509850 (2A120-M12) heavy duty electrolytically tin-plated copper compression ring terminal with long seamless barrel for 630 mm² copper conductors and M12 stud fixing.
£55.36
Why Choose the Cembre 2509850 Heavy Duty Ring Terminal?
The Cembre 2509850 is a premium heavy duty copper compression ring terminal (type 2A120-M12) engineered to provide secure, low-resistance electrical connections for high-current industrial and medium-voltage applications. Manufactured from high-purity annealed electrolytic copper with an electrolytically tin-plated finish, it offers excellent conductivity together with outstanding corrosion resistance for long service life.
As part of the renowned Cembre 2A-M Heavy Duty Series, this terminal incorporates a double-length seamless barrel without an inspection hole, improving both electrical and mechanical performance while preventing moisture ingress into the crimped connection. The long-barrel design provides superior pull-out strength and reliable operation in demanding industrial environments.
Designed for 630 mm² copper conductors with an M12 fixing stud, the Cembre 2509850 is ideally suited to substations, transformers, switchgear, industrial control equipment and medium-voltage cable installations operating up to 35 kV.
Key Advantages
- Heavy-duty copper compression terminal for industrial and utility power applications.
- 630 mm² conductor capacity with M12 stud fixing.
- Manufactured from high-purity electrolytic copper for maximum conductivity.
- Electrolytically tin-plated for long-term corrosion protection.
- Double-length barrel delivers enhanced electrical and mechanical performance.
- Seamless barrel without inspection hole prevents moisture ingress.
- Suitable for medium-voltage applications up to 35 kV.
Key Features
- Cembre 2A-M Heavy Duty Series.
- Manufacturer part number: 2509850.
- Type: 2A120-M12.
- Designed for 630 mm² copper conductors.
- M12 stud fixing.
- Annealed high-purity electrolytic copper construction.
- Electrolytically tin-plated finish.
- Long seamless barrel without inspection hole.
- Suitable for hexagonal compression crimping.
Reliable Electrical Connections for Industrial Power Systems
Heavy-duty compression lugs provide permanent, low-resistance electrical terminations capable of carrying very high current loads while maintaining exceptional mechanical integrity. Their extended barrel construction ensures reliable crimp performance and dependable long-term operation.
The Cembre 2A-M range is trusted by utilities, panel builders, OEMs and industrial maintenance engineers for substations, transformers, switchgear, power distribution systems and medium-voltage cable installations requiring maximum reliability.
Typical Applications
- Industrial switchgear and distribution equipment.
- Medium-voltage cable terminations.
- Power generation and utility infrastructure.
- Transformer and substation installations.
- Grounding and earthing systems.
- Heavy industrial machinery and electrical power systems.
Technical Specifications
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| Number of Fixing Holes | 2 | |
|---|---|---|
| Conductor Size | 630 mm² | |
| Stud Size | M12 | |
| Material | Copper | |
| Palm Angle | Straight (0°) | |
| Device Type | Copper Tube Lug | |
| Series | 2A-M Heavy Duty | |
| Product type | Heavy duty copper compression ring terminal | |
| Conductor size | 630 mm² | |
| Stud size | M12 | |
| Material | High-purity annealed electrolytic copper | |
| Finish | Electrolytically tin plated | |
| Barrel type | Double-length seamless barrel | |
| Inspection hole | None | |
| Maximum application voltage | Up to 35 kV | |
| Installation | Compression crimp using compatible Cembre tooling and dies | |
| HS Code | 85369010 | |
| Country of Manufacture | United Kingdom (includes NI) |
Frequently Asked Questions
What is the Cembre 2509850 used for?
It is used to terminate 630 mm² copper conductors onto equipment using an M12 stud connection in industrial and medium-voltage applications.
What cable size does this terminal support?
The terminal is designed specifically for 630 mm² copper conductors.
Why does this terminal use a long barrel?
The double-length barrel improves crimp quality, electrical conductivity and mechanical pull-out strength for demanding applications.
Why is there no inspection hole?
The seamless barrel design helps prevent moisture and contaminants entering the crimped joint, making it suitable for outdoor and medium-voltage installations.
Where is this terminal typically installed?
It is commonly installed in substations, transformers, switchgear, industrial control panels and power distribution equipment.
Trusted by Electrical Professionals Worldwide
Cembre heavy-duty compression terminals are trusted worldwide for delivering durable, low-resistance and dependable electrical connections across industrial, utility and medium-voltage power systems.
