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2509970 Cembre 2A120-2M16 COPPER TERMINAL
Cembre 2509970 (2A120-2M16) heavy duty electrolytically tin-plated copper compression two-hole ring terminal for 630 mm² copper conductors with dual M16 fixing holes.
£77.84
Why Choose the Cembre 2509970 Heavy Duty Two-Hole Ring Terminal?
The Cembre 2509970 is a premium heavy duty copper compression two-hole ring terminal (type 2A120-2M16) engineered to provide secure, low-resistance electrical connections for demanding industrial, utility and medium-voltage applications. Manufactured from greater than 99.9% pure electrolytic copper and electrolytically tin-plated, it delivers exceptional electrical conductivity together with outstanding protection against corrosion and oxidation.
Part of the proven Cembre 2A-2M Heavy Duty Series, this terminal features a double-length seamless barrel without an inspection hole to maximise both electrical and mechanical performance while preventing moisture ingress. The robust two-hole palm provides superior resistance to vibration and electrodynamic forces, ensuring maximum connection stability in critical power installations.
Designed for 630 mm² copper conductors with 2 × M16 fixing holes at 44.5 mm centres, the Cembre 2509970 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 with secure two-hole fixing.
- 630 mm² conductor capacity.
- Dual M16 fixing holes provide maximum mechanical stability.
- Manufactured from high-purity electrolytic copper for excellent conductivity.
- Electrolytically tin-plated for outstanding corrosion resistance.
- Double-length barrel improves electrical and mechanical performance.
- Suitable for industrial and medium-voltage applications up to 35 kV.
Key Features
- Cembre 2A-2M Heavy Duty Series.
- Manufacturer part number: 2509970.
- Type: 2A120-2M16.
- Designed for 630 mm² copper conductors.
- 2 × M16 fixing holes.
- 44.5 mm fixing hole centres.
- Annealed electrolytic copper construction.
- Electrolytically tin-plated finish.
- Long seamless barrel without inspection hole.
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 outstanding mechanical integrity. The two-hole fixing design provides excellent resistance to vibration and rotational movement, ensuring dependable long-term performance.
The Cembre 2A-2M range is trusted by utilities, OEMs, panel builders and industrial maintenance engineers for substations, transformers, switchgear, grounding systems and medium-voltage cable installations where reliable electrical performance is essential.
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 | |
|---|---|---|
| Device Type | Copper Tube Lug | |
| Conductor Size | 630 mm² | |
| Stud Size | M16 | |
| Material | Copper | |
| Palm Angle | Straight (0°) | |
| Series | 2A-2M Heavy Duty | |
| Product type | Heavy duty copper compression two-hole ring terminal | |
| Conductor size | 630 mm² | |
| Stud size | 2 × M16 | |
| Stud centres | 44.5 mm | |
| Entry diameter | 33.4 mm | |
| Palm width | 61.5 mm | |
| Overall length | 203.5 mm | |
| Material | High-purity 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 2509970 used for?
It is designed to terminate 630 mm² copper conductors onto equipment using a secure dual M16 fixing in industrial and medium-voltage applications.
Why does this terminal have two fixing holes?
The dual-hole palm provides greater resistance to vibration and rotation while creating a stronger and more secure mechanical connection.
What cable size does this terminal support?
The terminal is specifically designed for 630 mm² copper conductors.
Why is there no inspection hole?
The seamless barrel prevents moisture and contaminants entering the crimped connection, 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 high-current 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.
