Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
2509890 Cembre 2A120-M20 COPPER TERMINAL
Cembre 2509890 (2A120-M20) heavy duty electrolytically tin-plated copper compression ring terminal with long seamless barrel for 630 mm² copper conductors and M20 stud fixing.
£58.88
Why Choose the Cembre 2509890 Heavy Duty Ring Terminal?
The Cembre 2509890 is a premium heavy duty copper compression ring terminal (type 2A120-M20) designed to provide secure, low-resistance electrical connections for demanding industrial, utility and medium-voltage applications. Manufactured from high-purity annealed electrolytic copper with an electrolytically tin-plated finish, it delivers exceptional electrical conductivity together with outstanding corrosion resistance.
As part of the trusted 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 annealed copper construction ensures excellent ductility and reliable compression performance even in demanding environments.
Designed for 630 mm² copper conductors with an M20 fixing stud, the Cembre 2509890 is ideal for 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 systems.
- 630 mm² conductor capacity with M20 stud fixing.
- Manufactured from high-purity electrolytic copper for excellent conductivity.
- Electrolytically tin-plated to resist corrosion and oxidation.
- Double-length barrel improves electrical and mechanical performance.
- Seamless barrel without inspection hole prevents moisture ingress.
- Suitable for indoor, outdoor and medium-voltage applications up to 35 kV.
Key Features
- Cembre 2A-M Heavy Duty Series.
- Manufacturer part number: 2509890.
- Type: 2A120-M20.
- Designed for 630 mm² copper conductors.
- M20 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 extremely high current loads while maintaining excellent mechanical integrity. Their extended barrel construction ensures optimum crimp performance and dependable long-term reliability.
The Cembre 2A-M range is trusted by utilities, OEMs, panel builders and industrial maintenance engineers for substations, transformers, switchgear, grounding systems and medium-voltage cable installations requiring dependable electrical performance.
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
Tick the specs you need, then view products that match.
| Number of Fixing Holes | 2 | |
|---|---|---|
| Device Type | Copper Tube Lug | |
| Conductor Size | 630 mm² | |
| Stud Size | M20 | |
| Material | Copper | |
| Palm Angle | Straight (0°) | |
| Series | 2A-M Heavy Duty | |
| Product type | Heavy duty copper compression ring terminal | |
| Conductor size | 630 mm² | |
| Stud size | M20 | |
| Entry diameter | 33.4 mm | |
| Palm width | 61.5 mm | |
| Palm rear to stud centre | 24 mm | |
| Palm tip to stud centre | 23 mm | |
| Barrel length | 118 mm | |
| Overall length | 165 mm | |
| Material | High-purity annealed electrolytic copper | |
| Finish | Electrolytically tin plated | |
| Maximum application voltage | Up to 35 kV | |
| HS Code | 85369010 | |
| Country of Manufacture | United Kingdom (includes NI) |
Frequently Asked Questions
What is the Cembre 2509890 used for?
It is used to terminate 630 mm² copper conductors onto equipment using an M20 stud connection in industrial and medium-voltage applications.
What cable size does this terminal support?
The terminal is specifically designed for 630 mm² copper conductors.
Why does this terminal feature a long barrel?
The double-length barrel improves crimp quality, electrical conductivity and mechanical pull-out strength for demanding high-current applications.
Why is there no inspection hole?
The seamless barrel prevents moisture and contaminants entering the crimped joint, improving long-term reliability in 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.
