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.
