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.
£1.59
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.
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.
| 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 |
The WL1-M is a heat-shrink butt connector designed for permanently joining electrical cables while providing environmental sealing and insulation.
It is suitable for flexible copper conductors from 4 mm² to 6 mm².
Yes. When correctly crimped and heat shrunk, it provides an IP68 sealed connection for demanding environments.
The conductor barrel is manufactured from high-conductivity tin-plated electrolytic copper for reliable electrical performance.
It is widely used in industrial machinery, control panels, marine applications, maintenance work and electrical installations where durable sealed cable joints are required.
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.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...