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COL6B Partex copper tube butt connector, 6mm², pack 100
Partex COL6B 6 mm² uninsulated copper tube butt connectors with electro-tin plating and inspection holes, designed for reliable straight-through crimp connections between copper cables and supplied in a pack of 100.
£19.00
Why Choose the Partex COL6B 6mm² Copper Tube Butt Connector?
The Partex COL6B is a high-quality 6 mm² copper tube butt connector designed to provide secure, reliable and durable straight-through electrical connections between copper conductors of the same cross-sectional area. Manufactured from high-conductivity copper and finished with protective electro-tin plating, this professional-grade crimp connector is ideal for electrical installations, industrial control panels, machinery wiring and cable maintenance applications.
As part of the trusted Partex COLB copper tube butt connector range, the COL6B features a robust tubular construction that supports dependable mechanical and electrical connections when installed using suitable crimping tools. Its integrated inspection hole allows installers to verify correct conductor insertion before crimping, helping improve installation accuracy and connection reliability.
Designed for 6 mm² copper cables, the COL6B features a 4 mm internal barrel diameter, a 5.9 mm external diameter and an overall length of 20 mm. Supplied in a convenient pack of 100 connectors, it provides a practical and economical solution for electricians, electrical contractors, panel builders and industrial maintenance engineers requiring consistent cable termination quality.
Key Advantages
- High-quality 6 mm² copper tube butt connector for secure cable-to-cable connections.
- High-conductivity copper construction supports efficient electrical current transfer.
- Bright electro-tin plated finish provides enhanced resistance to oxidation and corrosion.
- Integrated inspection hole allows visual verification of correct cable insertion before crimping.
- Extended barrel entry helps simplify conductor insertion during installation.
- Robust tubular design provides a dependable mechanical connection when correctly crimped.
- Compact 20 mm overall length makes the connector suitable for space-conscious electrical installations.
- Uninsulated construction allows installers to apply suitable insulation and environmental protection for the application.
- Supplied in a pack of 100 for convenient use in electrical installation and maintenance projects.
Key Features
- Partex COLB copper tube butt connector series.
- 6 mm² nominal conductor cross-sectional area.
- 4 mm internal barrel diameter.
- 5.9 mm external barrel diameter.
- 20 mm overall connector length.
- Manufactured from high-conductivity copper to BS 2871.
- Electro-tin plated finish to BS 1872.
- Copper terminal material specified to BS EN 1976, annealed to ASTM B111 C11000.
- Integrated inspection hole for checking conductor positioning.
- Extended entry design for easier cable insertion.
- Uninsulated copper tube construction.
- Designed for permanent straight-through crimp connections using appropriate tooling.
- Pack quantity: 100 connectors.
Reliable Copper Cable Connections for Electrical Installations
Copper tube butt connectors such as the Partex COL6B are designed to join two copper conductors of matching cross-sectional area in a straight-through configuration. By inserting the prepared cable ends into opposite sides of the tubular connector and applying the correct crimping pressure, installers can create a secure electrical joint with dependable conductor contact and mechanical retention.
The COL6B uses high-conductivity copper to support efficient current transfer through the connection. Its electro-tin plated surface helps protect the connector against oxidation and corrosion, making it suitable for a wide range of electrical engineering and industrial wiring applications. The integrated inspection hole provides an additional installation check, allowing electricians to confirm conductor insertion before completing the crimp.
For correct installation, the connector should be used with an appropriate crimping tool and die suitable for 6 mm² copper tube terminals. As the COL6B is supplied without insulation, the completed joint must be insulated and protected as required by the installation environment and applicable electrical regulations. The connector is intended to provide an electrical splice and should not be used as a substitute for dedicated cable strain relief.
Typical Applications
- Joining 6 mm² copper electrical cables in fixed wiring installations.
- Industrial electrical control panels and distribution equipment.
- Machinery wiring and industrial automation systems.
- Electrical cable repairs and maintenance work.
- Power distribution and cable connection assemblies.
- Electrical equipment manufacturing and panel building.
- Commercial and industrial electrical installations.
- Cable harness assembly and equipment refurbishment.
- OEM electrical systems requiring reliable crimped conductor joints.
- Electrical contractors and maintenance teams requiring bulk quantities of copper butt connectors.
Technical Specifications
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| Suitable Conductor Material | Copper | |
|---|---|---|
| Device Type | Butt / Through Connector | |
| Conductor Size | 6 mm² | |
| Material | Copper | |
| Manufacturer | Partex | |
| Series | COLB Copper Tube Butt Connectors | |
| Model | COL6B | |
| Product type | Copper tube butt connector / cable splice | |
| Conductor cross-sectional area | 6 mm² | |
| Connector material | High-conductivity copper | |
| Surface finish | Bright electro-tin plated | |
| Copper material standard | BS 2871 | |
| Plating standard | BS 1872 | |
| Terminal material specification | BS EN 1976 / ASTM B111 C11000 | |
| Internal barrel diameter | 4 mm | |
| External barrel diameter | 5.9 mm | |
| Overall length | 20 mm | |
| Insulation | Uninsulated | |
| Connection type | Straight-through cable-to-cable splice | |
| Termination method | Crimp connection | |
| Inspection hole | Yes | |
| Compatible conductor material | Copper | |
| Installation method | Crimp using suitable copper tube terminal tooling | |
| Pack quantity | 100 pieces | |
| HS Code | 74031900 |
Frequently Asked Questions
What is the Partex COL6B copper tube butt connector used for?
The Partex COL6B is used to create secure straight-through electrical connections between two 6 mm² copper conductors. It is commonly used in electrical installations, industrial machinery, control panels and cable maintenance applications.
What cable size is suitable for the Partex COL6B?
The COL6B is designed for copper cables with a nominal conductor cross-sectional area of 6 mm². Its internal barrel diameter is 4 mm, allowing compatible conductors to be inserted before crimping.
What material is the Partex COL6B manufactured from?
The connector is manufactured from high-conductivity copper with a bright electro-tin plated finish. The copper construction supports efficient electrical conductivity, while the tin plating helps protect the connector against oxidation and corrosion.
Is the Partex COL6B insulated?
No. The Partex COL6B is an uninsulated copper tube butt connector. After crimping, suitable insulation such as appropriately rated heat-shrink tubing should be applied where required to provide electrical insulation and environmental protection.
How many connectors are included in this pack?
This product is supplied as a pack of 100 Partex COL6B copper tube butt connectors, making it suitable for electrical contractors, panel builders and industrial maintenance teams.
Trusted by Electrical Installers and Industrial Engineers
Partex copper tube butt connectors provide a practical solution for professional electrical cable joining. With high-conductivity copper construction, protective electro-tin plating and integrated inspection holes, the COLB range is designed to support secure and dependable crimp connections in electrical installations, control panels and industrial equipment.
