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2480890 Cembre L80-M THROUGH CONNECTOR
Cembre 2480890 L80-M copper compression through connector for joining 300-400 mm² flexible or 400 mm² stranded copper conductors. Manufactured from electrolytic tin-plated copper with an internal central stop.
£22.56
Why Choose the Cembre 2480890 Copper Through Connector?
The Cembre 2480890 (L80-M) is a premium-quality copper compression through connector (butt splice) designed for permanently joining low-voltage copper conductors. As part of the trusted Cembre L-M Series, it delivers secure, low-resistance electrical joints for industrial, commercial and utility electrical installations.
Manufactured from more than 99.9% pure electrolytic copper and finished with electrolytic tin plating, the connector provides exceptional electrical conductivity together with outstanding corrosion resistance. Its annealed construction ensures optimum ductility for reliable compression while providing excellent resistance to vibration and mechanical stress.
Designed for 300–400 mm² flexible conductors or 400 mm² stranded conductors, the L80-M features chamfered barrel entries together with an internal central stop to ensure correct conductor positioning before crimping. When installed using compatible Cembre compression tooling, it provides durable, maintenance-free cable joints for demanding industrial and power distribution applications.
Key Advantages
- Professional copper compression through connector.
- Suitable for 300–400 mm² flexible or 400 mm² stranded copper conductors.
- Manufactured from 99.9% pure electrolytic copper.
- Electrolytically tin-plated for corrosion protection.
- Annealed construction for optimum crimp performance.
- Internal central stop ensures accurate conductor positioning.
- Chamfered barrel entries simplify cable insertion.
- Compatible with professional Cembre crimping systems.
Key Features
- Manufacturer: Cembre.
- Series: L-M Through Connectors.
- Model: L80-M.
- Manufacturer Part Number: 2480890.
- Conductor size: 300–400 mm² flexible / 400 mm² stranded.
- Internal diameter: 27.0 mm.
- Overall length: 94 mm.
- Electrolytic copper construction.
- Electrolytic tin-plated finish.
- Central conductor stop.
- Suitable for hexagonal or indent compression crimping.
Reliable Cable Splicing for Low Voltage Installations
The Cembre L-M Series has been developed for permanent splicing of low-voltage copper conductors. Manufactured from annealed electrolytic copper tube and protected with electrolytic tin plating, these connectors provide excellent electrical performance, high mechanical strength and long service life. The integral central stop ensures consistent conductor positioning during installation.
Installed using compatible Cembre compression tools and dies, the L80-M provides dependable long-term performance in switchboards, substations, industrial machinery, renewable energy systems and power distribution networks.
Typical Applications
- Electrical cable splicing.
- Industrial control panels.
- Power distribution systems.
- Substations and switchgear.
- Electrical maintenance and repair.
- OEM electrical equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Butt / Through Connector | |
|---|---|---|
| Conductor Size | 300–400 mm² | |
| Material | Copper | |
| Series | L-M | |
| Part number | 2480890 | |
| Product type | Copper compression through connector | |
| Conductor size | 300–400 mm² flexible / 400 mm² stranded | |
| Internal diameter | 27.0 mm | |
| Overall length | 94 mm | |
| Material | Electrolytic copper (>99.9% purity) | |
| Surface finish | Electrolytic tin plating | |
| Central stop | Yes | |
| Operating temperature | -50°C to +150°C | |
| Maximum voltage | 11 kV | |
| HS Code | 85369010 | |
| Country of Manufacture | Italy |
Frequently Asked Questions
What is the Cembre 2480890 used for?
It is used to permanently join 300–400 mm² flexible or 400 mm² stranded copper conductors using compression crimping.
What cable sizes does it support?
The L80-M is suitable for 300–400 mm² flexible conductors or 400 mm² stranded conductors.
Why does the connector include a central stop?
The internal stop ensures both conductors are inserted to the correct depth before compression, creating a secure and reliable electrical joint.
Why is the connector tin plated?
Electrolytic tin plating protects against corrosion while maintaining excellent electrical conductivity.
Is it compatible with Cembre crimping tools?
Yes. It is designed for installation using compatible Cembre compression tools and dies.
Trusted by Electrical Professionals Worldwide
Cembre L-M Series through connectors are trusted by electricians, panel builders and industrial engineers for producing durable, low-resistance cable joints in demanding electrical installations.
