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2505390 Cembre 2A24-M20 COPPER TERMINAL
Cembre 2505390 (2A24-M20) heavy-duty electrolytic tinned copper compression cable lug for 120 mm² conductors with M20 fixing hole for industrial and medium-voltage electrical connections.
£7.94
Why Choose the Cembre 2505390 Copper Compression Lug?
The Cembre 2505390 is a premium heavy-duty tinned copper compression cable lug designed to provide secure, low-resistance electrical terminations for industrial power distribution and medium-voltage applications. Manufactured as the Cembre 2A24-M20, this connector forms part of the proven 2A-M Heavy Duty series, delivering exceptional electrical conductivity, mechanical strength and long-term reliability for demanding installations.
Manufactured from greater than 99.9% pure annealed electrolytic copper and electrolytically tin plated, the lug provides outstanding conductivity together with excellent corrosion resistance. Its double-length barrel enhances both electrical and mechanical performance, while the absence of an inspection hole prevents moisture ingress, making it suitable for indoor, outdoor and medium-voltage applications up to 35 kV.
Designed for 120 mm² copper conductors with a single M20 fixing hole, the Cembre 2505390 is ideal for substations, transformers, switchgear, motor control centres, industrial control panels and electrical power distribution systems.
Key Advantages
- Heavy-duty tinned copper compression cable lug.
- Designed for 120 mm² copper conductors.
- M20 fixing hole for secure equipment connections.
- Double-length barrel delivers superior crimp performance.
- Manufactured from high-purity annealed electrolytic copper.
- Electro-tin plated for excellent corrosion resistance.
- Suitable for industrial and medium-voltage applications up to 35 kV.
Key Features
- Manufacturer: Cembre.
- Series: 2A-M Heavy Duty Compression Lugs.
- Model: 2A24-M20.
- Cembre part number: 2505390.
- Conductor size: 120 mm² copper.
- Single M20 mounting hole.
- Double-length barrel without inspection hole.
- Annealed electrolytic copper construction.
- Electro-tin plated finish.
- Designed for compression crimp installation using approved Cembre tooling.
Reliable Electrical Connections for Industrial Power Systems
Compression cable lugs provide permanent, low-resistance electrical connections between copper conductors and electrical equipment. When installed using the correct Cembre crimp tooling, they deliver exceptional conductivity, outstanding mechanical integrity and long service life in demanding industrial environments.
The Cembre 2A-M Heavy Duty series is widely specified for substations, transformers, industrial switchgear, OEM equipment and power distribution systems where dependable high-current electrical connections are essential.
Typical Applications
- Industrial electrical control panels.
- Power distribution equipment.
- Switchgear assemblies.
- Transformer terminations.
- Motor control centres.
- Medium-voltage installations.
- OEM electrical equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Number of Fixing Holes | 2 | |
|---|---|---|
| Device Type | Copper Tube Lug | |
| Conductor Size | 120 mm² | |
| Stud Size | M20 | |
| Material | Copper | |
| Palm Angle | Straight (0°) | |
| Series | 2A-M | |
| Part number | 2505390 | |
| Manufacturer reference | 2A24-M20 | |
| Product type | Heavy-duty copper compression cable lug | |
| Conductor size | 120 mm² | |
| Stud size | M20 | |
| Entry diameter | 15.2 mm | |
| Stud hole diameter | 21 mm | |
| Palm width | 30 mm | |
| Palm rear to stud centre | 22 mm | |
| Centre stud to palm tip | 20 mm | |
| Barrel length | 61 mm | |
| Overall length | 103 mm | |
| Material | Annealed electrolytic copper (>99.9% purity) | |
| Surface finish | Electro-tin plated | |
| Operating temperature | -50 °C to +150 °C | |
| Maximum application voltage | Up to 35 kV | |
| Installation | Compression crimping | |
| HS Code | 85369010 | |
| Country of Manufacture | Italy |
Frequently Asked Questions
What is the Cembre 2505390 used for?
It is used to create secure compression terminations between 120 mm² copper conductors and electrical equipment using an M20 fixing point.
What cable size is this connector designed for?
The lug is designed for 120 mm² copper conductors.
Why doesn't the lug include an inspection hole?
The absence of an inspection hole helps prevent moisture and contaminants entering the crimped joint, making the connector suitable for demanding indoor and outdoor applications.
What material is the connector manufactured from?
It is manufactured from annealed high-purity electrolytic copper with an electro-tin plated finish for excellent conductivity and corrosion resistance.
Where is this compression lug typically installed?
It is commonly installed in substations, switchgear, transformers, industrial control panels and electrical power distribution systems.
Trusted by Electrical Professionals Worldwide
Cembre heavy-duty compression connectors are trusted by utilities, OEM manufacturers, panel builders and electrical contractors for delivering reliable, standards-compliant electrical connections in demanding industrial and medium-voltage applications.
