Tubular cable lug — Cembre A2-M4
The Cembre A2-M4 is a tubular cable lug from the A-M series designed for crimp termination of copper conductors. The product is made of electrolytic copper with a purity of at least 99.9% and is electrolytically tin-plated. The Cembre A2-M4 is specified for a conductor cross-section of 10 mm² and has an M4 mounting screw with a hole diameter (ØD) of 4.3 mm.
What the product does and how it is used
The Cembre A2-M4 is used as a mechanical and electrical connection between a copper conductor and a fixed mounting point using a screw. The connection is established by inserting the stripped conductor into the barrel of the cable lug and performing the number of crimps specified by the manufacturer, so that the conductor and cable lug form a permanent crimp connection. The product is intended for use with copper conductors and is UL-listed to UL486A-486B (File no. E125401).
Installation in brief
- Select a cable lug that matches the conductor's cross-section (10 mm² for A2-M4).
- Select the correct crimping tool and die/forms according to the manufacturer's table.
- Strip the conductor to the recommended length without damaging individual strands.
- Fully insert the conductor into the barrel of the tubular cable lug and perform the specified number of crimps, starting from the tongue side.
- Ensure all crimping operations are performed on de-energized conductors.
Documentation
Technical details and table information can be found in the manufacturer's datasheet:
See datasheet from the manufacturer
Specifications
- Product name: Cembre A2-M4
- Series: A-M
- Application: for copper conductors (crimp termination)
- Conductor size: 10 mm²
- Screw: M4
- Hole diameter (ØD): 4.3 mm
- Material: electrolytic copper, ≥99.9% purity
- Coating: tin-plated (min. 3 μm)
- UL-listing: UL486A-486B (File no. E125401)
- Max. operating temperature: 150 °C
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