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2360850 Cembre A80-4ESI (400) COPPER TERMINAL
Cembre 2360850 A80-4ESI four-hole electrolytically tin-plated copper transformer lug for 400 mm² copper conductors.
£39.80
Why Choose the Cembre 2360850 A80-4ESI Four-Hole Copper Transformer Lug?
The Cembre 2360850 (A80-4ESI) is a heavy-duty four-hole electrolytic copper compression lug engineered for transformer, switchgear and high-current power distribution applications requiring exceptional mechanical stability. Manufactured from annealed high-conductivity electrolytic copper and electrolytically tin plated, it delivers outstanding electrical performance together with long-term resistance to corrosion and oxidation.
Part of the renowned Cembre A-4ESI Series, this compression terminal is designed for 400 mm² copper conductors and incorporates a four-hole ESI fixing pattern for compatibility with many transformer terminals. The multi-bolt palm provides maximum resistance to vibration, electrodynamic forces and mechanical movement while ensuring an exceptionally secure electrical connection.
Ideal for substations, transformers, switchgear, renewable energy systems and industrial power distribution installations, the Cembre 2360850 delivers reliable, low-resistance cable terminations when installed using compatible professional Cembre compression tooling.
Key Advantages
- Designed for terminating 400 mm² copper conductors.
- Four-hole ESI fixing pattern provides maximum mechanical stability.
- Manufactured from 99.95% electrolytic copper for excellent electrical conductivity.
- Electrolytically tin plated for superior corrosion resistance.
- Four-bolt design minimises movement under vibration and fault conditions.
- Inspection hole confirms complete conductor insertion before crimping.
- Suitable for demanding transformer and utility applications.
Key Features
- Cembre A-4ESI Series four-hole transformer lug.
- Manufacturer Part Number: 2360850.
- Alternative Reference: A80-4ESI.
- Conductor size: 400 mm².
- Connection type: Four-hole ESI transformer fixing.
- Annealed electrolytic copper construction.
- Electrolytically tin-plated finish.
- Inspection hole with chamfered cable entry.
- Designed for professional hydraulic compression crimping systems.
Reliable Transformer Connections for High Current Installations
Cembre A-4ESI transformer lugs are manufactured from seamless electrolytic copper tubing to achieve maximum electrical conductivity together with outstanding mechanical strength. The annealed construction ensures optimum ductility during compression, producing secure, vibration-resistant electrical joints with consistently low contact resistance.
The four-hole ESI fixing arrangement provides superior connection stability compared with conventional single-hole terminals, making these lugs ideal for transformer connections and other high-current installations subject to vibration or mechanical stress.
Typical Applications
- Distribution transformers.
- Electrical substations.
- Industrial switchgear.
- Power distribution systems.
- Renewable energy installations.
- Heavy-duty industrial control equipment.
- Utility infrastructure.
- High-current copper cable terminations.
Technical Specifications
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| Number of Fixing Holes | 4 | |
|---|---|---|
| Device Type | Copper Tube Lug | |
| Conductor Size | 400 mm² | |
| Material | Copper | |
| Palm Angle | Straight (0°) | |
| Series | A-4ESI Four-Hole Transformer Lugs | |
| Manufacturer Part Number | 2360850 | |
| Product type | Four-hole copper compression transformer lug | |
| Conductor size | 400 mm² | |
| Fixing pattern | Four-hole ESI transformer pattern | |
| Material | Annealed electrolytic copper (>99.95% purity) | |
| Finish | Electrolytically tin plated | |
| Number of fixing holes | 4 | |
| Inspection hole | Yes | |
| Operating temperature | -50 °C to +150 °C | |
| Compliance | cULus, RoHS | |
| HS Code | 85369010 | |
| Country of Manufacture | United Kingdom (includes NI) |
Frequently Asked Questions
What cable size is the Cembre 2360850 designed for?
The Cembre 2360850 is designed for terminating 400 mm² copper conductors.
Why does this lug have four fixing holes?
The four-hole ESI fixing pattern provides maximum mechanical stability, making it ideal for transformer and heavy-duty power distribution applications.
Why is the connector electrolytically tin plated?
The tin-plated finish protects the copper against oxidation and corrosion while maintaining excellent electrical conductivity.
What is the purpose of the inspection hole?
The inspection hole enables installers to verify that the conductor has been fully inserted before carrying out the compression crimp.
Where is the Cembre A80-4ESI commonly used?
It is widely used on transformers, substations, switchgear, industrial power distribution equipment and utility installations requiring four-bolt transformer connections.
Trusted by Electrical Professionals Worldwide
Cembre four-hole transformer lugs are trusted by utilities, transformer manufacturers, panel builders and electrical contractors for delivering secure, vibration-resistant electrical terminations in critical power distribution systems.
