Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
COL240-20 Partex copper tube ring terminal, 240mm², M20 stud, pack 10
Partex COL240-20 is a tin-plated copper tube ring terminal designed for terminating 240 mm² copper conductors onto M20 bolted electrical connections, supplied in a pack of 10 for industrial power distribution and switchgear installations.
£90.26
Why Choose the Partex COL240-20 Copper Tube Ring Terminal?
The Partex COL240-20 is a heavy-duty copper tube ring terminal designed to provide secure and reliable electrical connections for large cross-section copper cables. Engineered for 240 mm² copper conductors and an M20 stud connection, this industrial crimp terminal is suitable for power distribution equipment, electrical switchgear, busbar assemblies and heavy-duty electrical installations.
As part of the Partex COL copper tube terminal series, the COL240-20 is manufactured from high-conductivity copper with an electrolytic tin-plated finish that improves resistance to oxidation and corrosion. Its bell-mouth barrel entry facilitates cable insertion, while the integrated inspection hole enables installers to verify correct conductor positioning before crimping.
With a 21 mm stud fixing hole, 21 mm internal barrel diameter and 82 mm overall length, the COL240-20 provides a robust termination solution for industrial power cables. Supplied in a convenient pack of 10 terminals, it is ideal for electrical contractors, switchboard manufacturers, panel builders and industrial maintenance engineers.
Key Advantages
- High-conductivity copper tube construction supports efficient electrical connections.
- 240 mm² conductor capacity suitable for large industrial power cables.
- M20 stud compatibility for secure bolted electrical terminations.
- Electrolytic tin-plated finish improves resistance to corrosion and oxidation.
- Bell-mouth cable entry simplifies conductor insertion during installation.
- Integrated inspection hole allows visual confirmation of correct cable insertion.
- Robust tubular barrel designed for compression crimping applications.
- Uninsulated construction allows use with suitable cable insulation and protective accessories.
- Pack of 10 terminals suitable for electrical installation and maintenance projects.
Key Features
- Partex COL series copper tube ring terminal.
- 240 mm² nominal conductor cross-sectional area.
- M20 stud size with a 21 mm fixing hole.
- Manufactured from high-conductivity copper.
- Electrolytically tin-plated surface for improved corrosion protection.
- Bell-mouth barrel entry for easier conductor insertion.
- Inspection hole for verifying conductor positioning before crimping.
- 21 mm internal barrel diameter.
- 26 mm external barrel diameter.
- 33 mm barrel length.
- 37.6 mm palm width.
- 82 mm overall terminal length.
- Uninsulated straight ring terminal configuration.
- Designed for compression crimping with compatible tooling.
- Pack quantity: 10 terminals.
Reliable Cable Termination for Industrial Power Distribution
Copper tube ring terminals are essential components in industrial electrical installations where large conductors must be securely connected to busbars, switchgear and electrical equipment. The Partex COL240-20 is designed for 240 mm² copper cables, providing a tubular compression barrel and an M20-compatible ring palm for creating dependable mechanical and electrical connections.
The high-conductivity copper body helps maintain electrical continuity, while the electrolytic tin-plated finish reduces susceptibility to surface oxidation. Its bell-mouth entry supports easier cable insertion, and the inspection hole provides a practical method of checking conductor positioning before crimping. When installed using compatible compression tooling, suitable dies and the correct fastening procedure, the COL240-20 provides a durable cable termination solution for industrial power distribution and electrical equipment assemblies.
Typical Applications
- Industrial low-voltage power distribution systems.
- Electrical switchgear and switchboard assemblies.
- Busbar connections in distribution panels.
- Large copper power cable terminations.
- Motor control centres and industrial control equipment.
- Generator and power distribution connections.
- Industrial machinery and electrical equipment installations.
- Commercial and industrial electrical infrastructure.
- Electrical panel building and switchboard manufacturing.
- Maintenance and replacement of heavy-duty cable terminations.
- Power connections requiring 240 mm² conductors and M20 bolted fixings.
Technical Specifications
Tick the specs you need, then view products that match.
| Suitable Conductor Material | Copper | |
|---|---|---|
| Conductor Size | 240 mm² | |
| Stud Size | M20 | |
| Material | Copper | |
| Device Type | Copper Tube Lug | |
| Manufacturer | Partex | |
| Series | COL Copper Tube Terminals | |
| Model | COL240-20 | |
| Product type | Copper tube ring crimp terminal | |
| Conductor cross-sectional area | 240 mm² | |
| Stud size | M20 | |
| Fixing hole diameter | 21 mm | |
| Material | High-conductivity copper | |
| Surface finish | Electrolytic tin plating | |
| Insulation | Uninsulated | |
| Terminal configuration | Straight tubular barrel with ring palm | |
| Barrel entry | Bell-mouth | |
| Inspection hole | Yes | |
| Internal barrel diameter | 21 mm | |
| External barrel diameter | 26 mm | |
| Barrel length | 33 mm | |
| Palm width | 37.6 mm | |
| Overall length | 82 mm | |
| Termination method | Compression crimping | |
| Connection type | Bolted ring terminal | |
| Conductor compatibility | Copper conductors of suitable construction and dimensions | |
| Pack quantity | 10 | |
| Product category | Copper Tube Cable Terminals | |
| HS Code | 74031900 |
Frequently Asked Questions
What is the Partex COL240-20 used for?
The Partex COL240-20 is a copper tube ring terminal used to terminate 240 mm² copper conductors onto M20 bolted electrical connections, including busbars, switchgear and industrial power distribution equipment.
What cable size is compatible with the COL240-20?
The COL240-20 is designed for copper conductors with a nominal cross-sectional area of 240 mm². The cable construction and conductor dimensions should be checked to ensure compatibility with the terminal barrel.
What stud size does the Partex COL240-20 support?
The terminal is designed for an M20 stud connection and features a 21 mm fixing hole for use with suitable M20 fastening hardware.
What material is the COL240-20 manufactured from?
The COL240-20 is manufactured from high-conductivity copper with an electrolytic tin-plated finish that helps improve resistance to oxidation and corrosion.
What are the dimensions of the Partex COL240-20?
The terminal has a 21 mm internal barrel diameter, 26 mm external barrel diameter, 33 mm barrel length, 37.6 mm palm width and 82 mm overall length.
Does the COL240-20 have an inspection hole?
Yes. The Partex COL240-20 includes an inspection hole that enables installers to verify that the copper conductor has been correctly inserted into the barrel before crimping.
How is the Partex COL240-20 installed?
The terminal is installed by inserting a correctly prepared 240 mm² copper conductor into the tubular barrel and applying a compression crimp using compatible tooling and the appropriate die. The ring palm is then secured to the M20 electrical connection using suitable fastening hardware.
How many terminals are supplied in the pack?
This product listing includes 10 Partex COL240-20 copper tube ring terminals, suitable for industrial electrical installation, panel assembly and maintenance applications.
Is the Partex COL240-20 insulated?
No. The COL240-20 is an uninsulated copper tube ring terminal. Where additional insulation or touch protection is required, suitable protective accessories should be selected according to the electrical installation requirements.
Trusted by Electrical Installers and Panel Builders
Partex COL copper tube terminals are designed for professional electrical cable termination applications, combining high-conductivity copper construction, corrosion-resistant tin plating and installer-friendly features. The COL240-20 provides a robust solution for connecting 240 mm² copper conductors to M20 bolted electrical connections in industrial power distribution, switchgear, control panels and heavy-duty electrical installations.
