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COL2.5-4 Partex copper tube ring terminal, 2.5mm², M4 stud, pack 100
Partex COL2.5-4 is a 2.5 mm² copper tube ring terminal with an M4 stud connection, supplied in a pack of 100 for crimp termination of compatible electrical conductors in control panels, switchgear and industrial equipment.
£10.69
Why Choose the Partex COL2.5-4 Copper Tube Ring Terminal?
The Partex COL2.5-4 is a professional 2.5 mm² copper tube ring terminal designed to provide a secure electrical connection between a compatible conductor and an M4 stud or terminal connection point. Manufactured from copper and featuring a closed-ring termination design, this crimp terminal offers a practical solution for electrical control panels, switchgear assemblies, industrial machinery, power distribution equipment and electrical installation applications.
The Partex COL2.5-4 copper cable lug combines a tubular conductor entry with a ring-shaped mounting eye, allowing a suitably prepared 2.5 mm² conductor to be crimped into the terminal before the ring is secured to a compatible M4 threaded connection. This arrangement provides a mechanically retained termination and an electrically conductive connection path when installed using the correct crimping equipment and fastening method.
Supplied in a convenient pack of 100 terminals, the Partex COL2.5-4 is particularly useful for electrical contractors, industrial panel builders, machinery manufacturers and maintenance engineers requiring consistent cable termination components. Its copper construction, M4 stud compatibility and straightforward crimp termination method make it a practical choice for professional electrical wiring and equipment assembly.
Key Advantages
- Designed for 2.5 mm² conductors to support correctly sized electrical cable terminations.
- M4 stud compatibility allows connection to suitable M4 threaded terminals and fastening points.
- Copper tube construction provides an electrically conductive connection between the conductor and terminal mounting point.
- Closed-ring terminal design helps retain the connection around the stud when correctly fastened.
- Crimp termination method supports a secure mechanical and electrical connection when installed with compatible tooling.
- Suitable for bolted electrical connections in control panels, electrical equipment and machinery.
- No soldering required when the terminal is installed using the appropriate crimping procedure.
- Practical for installation and maintenance where a removable bolted connection is required.
- Pack of 100 terminals provides a convenient quantity for electrical assembly, manufacturing and maintenance projects.
Key Features
- Partex COL2.5-4 copper tube ring terminal.
- Designed for a nominal conductor cross-sectional area of 2.5 mm².
- M4 mounting hole for compatible threaded stud connections.
- Copper terminal construction for electrical conductivity.
- Tubular conductor entry for crimp termination.
- Closed-ring mounting eye for secure stud engagement.
- Suitable for use with compatible copper conductors and crimping equipment.
- Designed for bolted or stud-mounted electrical termination points.
- Applicable to electrical control panels, switchgear and industrial equipment.
- Supports professional cable preparation and electrical assembly work.
- Requires appropriate insulation or protective covering where necessary.
- 100 copper ring terminals per pack.
Reliable Copper Ring Terminal Connections for Professional Electrical Installations
Ring terminals are widely used where electrical conductors need to be secured to a threaded stud or bolted connection point. The Partex COL2.5-4 2.5 mm² copper tube ring terminal provides a conductive interface between the prepared cable end and a compatible M4 mounting stud. Its closed-ring design means the mounting eye surrounds the stud, helping retain the terminal in position when the fastening hardware is correctly installed.
Correct crimping is essential for achieving a dependable electrical termination. The conductor should be stripped to the appropriate length without damaging its strands, then inserted fully into the tubular section of the terminal. A compatible crimping tool and die should be used to compress the copper barrel according to the manufacturer's instructions. After crimping, the connection should be checked for proper conductor engagement, mechanical retention and correct termination quality.
The ring terminal can then be positioned over a suitable M4 stud and secured using the appropriate fastening arrangement. Electrical contact surfaces should be suitable for the connection, and fastening torque should follow the equipment manufacturer's requirements. The Partex COL2.5-4 must also be selected for the conductor construction, electrical loading and installation environment. Where insulation, strain relief or environmental protection is necessary, suitable additional components should be used. Current ratings, operating temperatures and any specific compliance requirements should be verified against the relevant manufacturer documentation.
Typical Applications
- Termination of compatible 2.5 mm² electrical conductors.
- Connections to suitable M4 threaded studs and terminal points.
- Industrial electrical control panel wiring.
- Switchgear and electrical distribution equipment assembly.
- Industrial machinery electrical connections.
- Motor control and automation equipment wiring.
- OEM electrical equipment manufacturing.
- Electrical cabinet and enclosure wiring installations.
- Equipment maintenance, repair and refurbishment.
- Electrical harness assembly and cable preparation.
Technical Specifications
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| Material | Copper | |
|---|---|---|
| Device Type | Copper Tube Lug | |
| Conductor Size | 2.5 mm² | |
| Stud Size | M4 | |
| Manufacturer | Partex | |
| Model / Part number | COL2.5-4 | |
| Product type | Copper tube ring terminal / cable lug | |
| Terminal configuration | Closed-ring terminal | |
| Nominal conductor cross-section | 2.5 mm² | |
| Stud size | M4 | |
| Mounting arrangement | Stud or bolted connection | |
| Terminal material | Copper | |
| Conductor termination method | Crimping | |
| Connection type | Crimp-to-stud electrical termination | |
| Supply format | Pack | |
| Pack quantity | 100 terminals | |
| Primary application | Electrical conductor termination onto compatible M4 connection points | |
| Typical equipment | Electrical control panels, switchgear, terminal assemblies, machinery and industrial electrical equipment | |
| Installation equipment | Compatible crimping tool, appropriate die and suitable M4 fastening hardware | |
| HS Code | 74031900 |
Frequently Asked Questions
What is the Partex COL2.5-4 copper tube ring terminal used for?
The Partex COL2.5-4 is used to terminate a compatible 2.5 mm² electrical conductor onto an M4 threaded stud or bolted connection point. Typical applications include control panel wiring, switchgear assemblies, industrial machinery and electrical equipment manufacturing.
What cable size is the Partex COL2.5-4 designed for?
The COL2.5-4 is specified for a nominal conductor cross-sectional area of 2.5 mm². The conductor material and construction should be checked for compatibility with the terminal and the selected crimping equipment.
What stud size does the Partex COL2.5-4 ring terminal fit?
The Partex COL2.5-4 is designed for an M4 stud connection. The ring terminal should be secured using suitable M4 fastening hardware and the torque specified for the equipment connection point.
How many Partex COL2.5-4 ring terminals are supplied per pack?
The Partex COL2.5-4 is supplied in a pack of 100 copper tube ring terminals, providing a practical quantity for electrical installation, control panel assembly, industrial equipment manufacturing and maintenance work.
How should the Partex COL2.5-4 copper ring terminal be installed?
The conductor should be stripped to the appropriate length, inserted into the copper tube and crimped using a compatible tool and die. The ring eye is then fitted over a suitable M4 stud and secured using the correct fastening arrangement. The completed termination should be checked for crimp integrity, conductor retention and secure mounting, with additional insulation or protection provided where required.
Professional Copper Cable Terminations for Electrical Control and Distribution Equipment
Partex electrical connection products provide practical termination solutions for electrical contractors, control panel builders, switchgear manufacturers and industrial maintenance teams. The COL2.5-4 copper tube ring terminal combines a 2.5 mm² conductor connection, M4 stud compatibility and convenient 100-piece packaging to support consistent, professional electrical wiring and equipment assembly.
