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.