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2469790 Cembre WL1-M THROUGH CONNECTOR
Cembre WL1-M heat-shrink butt connector for 4 mm² to 6 mm² copper conductors featuring IP68 protection, halogen-free insulation and tin-plated copper construction.
£1.27
Why Choose the Cembre WL1-M Heat-Shrink Through Connector?
The Cembre WL1-M (2469790) is a premium heat-shrink butt (through) connector designed to provide secure, waterproof electrical cable joints in demanding industrial, commercial and OEM applications. Manufactured by Cembre, a globally recognised specialist in electrical connection technology, this connector delivers reliable crimp performance while protecting connections against moisture, dust, vibration and corrosion.
Featuring a robust heat-shrink insulating sleeve and high-conductivity tin-plated electrolytic copper barrel, the WL1-M ensures long-lasting electrical performance while simplifying installation. Its halogen-free construction and IP68 environmental protection make it ideal for harsh operating environments where dependable cable connections are essential.
Suitable for 4 mm² to 6 mm² flexible copper conductors, the WL1-M is widely used by electrical contractors, panel builders, machine manufacturers and maintenance engineers requiring durable sealed cable splices in industrial installations.
Key Advantages
- Professional heat-shrink butt connector for permanent cable joints.
- IP68 environmental sealing protects against water and contaminants.
- Suitable for 4 mm² to 6 mm² conductors.
- High-quality tin-plated electrolytic copper conductor barrel.
- Halogen-free insulation improves installation safety.
- Excellent resistance to vibration, corrosion and mechanical stress.
- Designed for reliable industrial and commercial electrical installations.
Key Features
- Manufacturer: Cembre
- Model: WL1-M
- Manufacturer Part Number: 2469790
- Heat-shrink insulated butt (through) connector.
- Wire size range: 4 mm² to 6 mm².
- Nominal voltage: 600 V.
- IP68 ingress protection after installation.
- Operating temperature: -40°C to +105°C.
- Yellow high-density polyethylene insulation.
- Electrolytic tin-plated copper conductor barrel.
- Complies with CEI EN 60352-2 and CEI EN 60529.
Reliable Electrical Connections for Industrial Installations
Heat-shrink butt connectors provide a dependable method of permanently joining electrical conductors while protecting the connection from moisture, dust, vibration and mechanical damage. Once correctly crimped and heat shrunk, they create a durable sealed connection suitable for demanding industrial environments.
The Cembre WL1-M combines premium copper conductors with high-performance insulation to deliver consistent electrical conductivity, excellent mechanical strength and long service life across industrial automation, machinery and electrical infrastructure projects.
Typical Applications
- Industrial control panels.
- Machine building and OEM equipment.
- Electrical maintenance and repairs.
- Process automation systems.
- Marine electrical installations.
- Automotive and commercial vehicle wiring.
- Outdoor electrical installations requiring sealed cable joints.
Technical Specifications
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| Suitable Conductor Material | Copper | |
|---|---|---|
| Device Type | Butt / Through Connector | |
| Conductor Size | 4 mm² | |
| IP Rating | IP68 | |
| Series | WL Heat-Shrink Connectors | |
| Part Number | 2469790 | |
| Product type | Heat-shrink butt (through) connector | |
| Conductor size | 4 mm² to 6 mm² | |
| Nominal voltage | 600 V | |
| Operating temperature | -40°C to +105°C | |
| Ingress protection | IP68 | |
| Conductor material | Tin-plated electrolytic copper | |
| Insulation material | High-density polyethylene | |
| Insulation colour | Yellow | |
| Halogen free | Yes | |
| Compliance | CEI EN 60352-2, CEI EN 60529 | |
| Typical pack quantity | 100 pieces | |
| HS Code | 85369010 | |
| Country of Manufacture | Taiwan |
Frequently Asked Questions
What is the Cembre WL1-M used for?
The WL1-M is a heat-shrink butt connector designed for permanently joining electrical cables while providing environmental sealing and insulation.
Which cable sizes does it support?
It is suitable for flexible copper conductors from 4 mm² to 6 mm².
Is the connector waterproof?
Yes. When correctly crimped and heat shrunk, it provides an IP68 sealed connection for demanding environments.
What material is the conductor barrel made from?
The conductor barrel is manufactured from high-conductivity tin-plated electrolytic copper for reliable electrical performance.
Where is this connector commonly used?
It is widely used in industrial machinery, control panels, marine applications, maintenance work and electrical installations where durable sealed cable joints are required.
Trusted by Electrical Professionals Worldwide
Cembre heat-shrink connectors are trusted by electricians, panel builders, OEM manufacturers and maintenance engineers for delivering safe, reliable and long-lasting electrical cable connections in demanding industrial environments.
