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2480250 Cembre L7-M THROUGH CONNECTOR
Cembre 2480250 L7-M copper compression through connector for joining 25-35 mm² copper conductors. Manufactured from electrolytic tin-plated copper with an internal central stop.
£0.9592
Why Choose the Cembre 2480250 Copper Through Connector?
The Cembre 2480250 (L7-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 excellent resistance to corrosion and oxidation. Its annealed construction ensures optimum ductility, making compression easier while improving resistance to vibration and mechanical stress.
Designed for 25–35 mm² copper conductors, the L7-M features chamfered barrel entries together with an internal central stop that ensures correct conductor positioning before crimping. When installed using compatible Cembre compression tooling, it provides durable, maintenance-free cable joints.
Key Advantages
- Professional copper compression through connector.
- Suitable for 25–35 mm² 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: L7-M.
- Manufacturer Part Number: 2480250.
- Conductor size: 25–35 mm².
- Internal diameter: 8.9 mm.
- Overall length: 33 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. Its annealed electrolytic copper construction, corrosion-resistant tin plating and central conductor stop provide consistent electrical performance together with excellent mechanical strength in demanding industrial environments.
Installed using compatible Cembre compression tools and dies, the L7-M provides dependable long-term performance in switchboards, industrial machinery, electrical control panels and power distribution systems.
Typical Applications
- Electrical cable splicing.
- Industrial control panels.
- Power distribution systems.
- Building electrical installations.
- 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 | 25–35 mm² | |
| Material | Copper | |
| Series | L-M | |
| Part number | 2480250 | |
| Product type | Copper compression through connector | |
| Conductor size | 25–35 mm² | |
| Internal diameter | 8.9 mm | |
| Overall length | 33 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 2480250 used for?
It is used to permanently join two 25–35 mm² copper conductors using compression crimping.
What cable sizes does it support?
The L7-M is designed for 25 mm² to 35 mm² copper 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.
