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2509670 Cembre 2A100-M20 COPPER TERMINAL
Cembre 2509670 (2A100-M20) heavy duty electrolytic tin-plated copper compression ring terminal with double-length barrel for 500 mm² copper conductors and M20 stud fixing.
£52.88
Why Choose the Cembre 2509670 Heavy Duty Ring Terminal?
The Cembre 2509670 is a premium heavy duty copper compression ring terminal (type 2A100-M20) designed to deliver secure, low-resistance electrical connections for demanding industrial power distribution and medium-voltage installations. Manufactured from greater than 99.9% pure electrolytic copper with an electrolytic tin-plated finish, it provides outstanding conductivity together with long-term protection against corrosion.
As part of the proven Cembre 2A-M Series, this heavy-duty terminal incorporates a double-length seamless barrel without an inspection hole, improving both electrical and mechanical performance while helping prevent moisture ingress. The chamfered barrel entry also simplifies conductor insertion and protects conductor strands during installation.
Designed for 500 mm² copper conductors with an M20 fixing stud, the Cembre 2509670 is ideal for substations, switchgear, transformers, industrial control equipment and medium-voltage cable terminations up to 35 kV.
Key Advantages
- Heavy-duty copper compression ring terminal for industrial and utility applications.
- 500 mm² conductor capacity with M20 stud connection.
- Manufactured from high-purity electrolytic copper for maximum conductivity.
- Electrolytic tin plating improves corrosion resistance.
- Double-length barrel provides enhanced mechanical strength and electrical performance.
- No inspection hole helps prevent water and dirt ingress.
- Suitable for low-voltage and medium-voltage installations up to 35 kV.
Key Features
- Cembre 2A-M Series heavy-duty compression terminal.
- Manufacturer part number: 2509670.
- Type: 2A100-M20.
- Designed for 500 mm² copper conductors.
- M20 stud fixing.
- High-purity annealed 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 are engineered to provide permanent, low-resistance electrical terminations capable of carrying high current loads while maintaining excellent mechanical integrity. Their extended barrel design improves crimp quality and ensures dependable long-term performance.
The Cembre 2A-M series is trusted by electrical contractors, panel builders, utilities and industrial maintenance engineers for power distribution, switchgear, transformer and medium-voltage cable installations where reliability is essential.
Typical Applications
- Industrial switchgear and distribution boards.
- Medium-voltage cable terminations.
- Power generation and utility infrastructure.
- Transformer and substation installations.
- Grounding and earthing systems.
- Heavy industrial machinery and electrical equipment.
Technical Specifications
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| Number of Fixing Holes | 2 | |
|---|---|---|
| Conductor Size | 500 mm² | |
| Stud Size | M20 | |
| 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 | 500 mm² | |
| Stud size | M20 | |
| Internal barrel diameter | 30.3 mm | |
| Palm width | 56.5 mm | |
| Overall length | 153 mm | |
| Material | High-purity electrolytic copper | |
| Finish | Electrolytic 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 2509670 used for?
It is used to terminate 500 mm² copper conductors onto equipment using an M20 fixing stud in industrial and medium-voltage applications.
What cable size does this terminal support?
The terminal is designed for 500 mm² copper conductors.
Why does the terminal use a long barrel?
The double-length barrel improves crimp performance, electrical conductivity and mechanical pull-out strength.
Why is there no inspection hole?
The seamless barrel helps prevent moisture and contaminants entering the crimped connection, making it ideal for outdoor installations.
Where is this terminal commonly installed?
It is widely used in substations, switchgear, transformers, industrial control panels and medium-voltage power distribution systems.
Trusted by Electrical Professionals Worldwide
Cembre heavy-duty compression terminals are trusted worldwide for delivering safe, reliable and long-lasting electrical connections in industrial, utility and medium-voltage power distribution applications.
