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2180030 Cembre A3-M4 COPPER TERMINAL
Cembre 2180030 A3-M4 non-insulated copper tube crimping lug for terminating 16 mm² stranded copper conductors onto M4 stud connections.
£0.5008
Why Choose the Cembre 2180030 A3-M4 Copper Tube Crimping Lug?
The Cembre 2180030, manufacturer reference A3-M4, is a professional copper tube crimping lug designed for terminating 16 mm² stranded copper conductors onto electrical equipment using an M4 fixing stud. As part of the trusted Cembre A-M series, this non-insulated ring terminal provides a secure, low-resistance electrical connection for industrial control panels, switchgear, machinery and power distribution systems.
Manufactured from high-purity electrolytic copper, the lug is fully annealed to provide optimum ductility during compression. Its electrolytic tin-plated finish helps resist oxidation and corrosion while maintaining excellent electrical conductivity throughout the service life of the installation.
The A3-M4 features a chamfered cable entry together with an integrated inspection hole, allowing easy conductor insertion and visual confirmation that the conductor has been fully inserted before crimping. Its compact design makes it ideal for professional electrical installations where reliable terminations are essential.
Key Advantages
- Designed for 16 mm² stranded copper conductors.
- M4 stud connection for compact electrical terminations.
- Manufactured from high-purity electrolytic copper.
- Annealed construction ensures optimum crimp performance.
- Electrolytically tin plated for corrosion resistance.
- Inspection hole confirms correct conductor insertion.
- Excellent resistance to vibration and mechanical pull-out.
Key Features
- Cembre A-M series copper tube crimping lug.
- Manufacturer part number: 2180030.
- Product reference: A3-M4.
- Suitable for 16 mm² stranded copper cable.
- M4 fixing stud.
- 4.3 mm stud hole diameter.
- 5.8 mm cable entry diameter.
- Electrolytic copper construction with tin-plated finish.
- Chamfered barrel entry and inspection hole.
- Non-insulated ring terminal.
Reliable Cable Termination for Industrial Installations
Copper tube crimping lugs provide permanent, low-resistance electrical connections between stranded conductors and electrical equipment. When installed using the correct Cembre crimping tool and matching die set, they deliver excellent conductivity together with outstanding resistance to vibration and mechanical stress.
The Cembre A3-M4 combines precision manufacturing, annealed electrolytic copper and a corrosion-resistant tin-plated finish to provide dependable long-term performance across industrial control panels, switchgear, machinery and power distribution systems.
Typical Applications
- Industrial control panels.
- Electrical switchgear.
- Power distribution equipment.
- Machine building and OEM systems.
- Motor and transformer terminations.
- Commercial and industrial electrical installations.
Technical Specifications
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| Number of Fixing Holes | 1 | |
|---|---|---|
| Device Type | Copper Tube Lug | |
| Conductor Size | 16 mm² | |
| Stud Size | M4 | |
| Material | Copper | |
| Palm Angle | Straight (0°) | |
| Suitable Conductor Material | Copper | |
| Series | A-M | |
| Manufacturer part number | 2180030 | |
| Product reference | A3-M4 | |
| Product type | Copper tube crimping lug | |
| Terminal style | Non-insulated ring terminal | |
| Conductor size | 16 mm² | |
| Compatible conductor | Stranded copper cable | |
| Stud size | M4 | |
| Stud hole diameter | 4.3 mm | |
| Cable entry diameter | 5.8 mm | |
| Palm width | 9 mm | |
| Palm rear to stud centre | 5 mm | |
| Stud centre to palm tip | 4 mm | |
| Overall length | 25.5 mm | |
| Material | High-purity electrolytic copper | |
| Surface finish | Electrolytic tin plating | |
| Inspection hole | Yes | |
| Operating temperature | -50°C to +150°C | |
| Insulated | No | |
| HS Code | 85369010 | |
| Country of Manufacture | Italy |
Frequently Asked Questions
What is the Cembre 2180030 used for?
The Cembre 2180030 is designed for terminating 16 mm² stranded copper conductors onto equipment fitted with an M4 fixing stud.
What cable size does the A3-M4 support?
The A3-M4 is specifically designed for 16 mm² stranded copper conductors.
Why is the lug tin plated?
The electrolytic tin-plated finish protects the copper against oxidation and corrosion while maintaining excellent long-term electrical conductivity.
Does the lug include an inspection hole?
Yes. The integrated inspection hole allows installers to verify that the conductor has been fully inserted before completing the crimp.
What type of cable is this lug intended for?
The lug is designed for stranded copper conductors and should be installed using a compatible professional crimping tool and correctly matched die set.
Trusted by Electrical Professionals Worldwide
Cembre copper tube crimping lugs are trusted by electrical contractors, panel builders and industrial engineers for producing reliable, durable cable terminations across power distribution, machinery and automation installations.
