Pre-Insulated Bimetallic Lug
These pre-insulated bimetal lugs facilitate connections between LV-ABC cables and electrical equipment. The lugs feature clear markings to indicate crimping die size, sequence, conductor cross-sectional area, and stripping length.




Technical Specifications
Overview
High-Performance Pre-Insulated Bimetallic Lugs
CPTAU pre-insulated bimetal lugs are engineered to provide a secure and reliable connection between LV-ABC cables and electrical equipment. Featuring a bimetallic design with high-purity copper and aluminum, these lugs prevent galvanic corrosion while ensuring optimal conductivity. The pre-insulated sheath is weather and UV resistant, making them ideal for demanding outdoor electrical power transmission and distribution systems.
Technical Standards
- Compliance Standards
- EN 50483-4NF C 33-021
Material Specifications
Material Composition
- Copper (Cu) purity ≥ 99.9%
- Aluminum (Al) purity ≥ 99.5%
- Weather and UV resistant insulating sheath
- Pre-filled silicone grease for waterproofing
Key Features
Performance Features
- Watertight seal with elastomeric caps
- Clear markings for crimping die size and sequence
- Color-coded caps for easy conductor area identification
- Integrated stripping length indicators
- Bimetallic design to prevent galvanic corrosion
Product Range & Dimensions
Technical Specifications by Model
| Type | Conductor Size (mm²) | Stud Size | Color Code | Crimping Die |
|---|---|---|---|---|
| CPTAU16-10 | 16 | M10 | Blue | E140 |
| CPTAU25-12 | 25 | M12 | Orange | E173 |
| CPTAU35-12 | 35 | M12 | Red | E173 |
| CPTAU50-12 | 50 | M12 | Yellow | E173 |
| CPTAU54.6-12 | 54.6 | M12 | Black | E173 |
| CPTAU70-12 | 70 | M12 | White | E173 |
| CPTAU95-12 | 95 | M12 | Grey | E173 |
| CPTAU120-12 | 120 | M12 | Pink | E215 |
| CPTAU150-12 | 150 | M12 | Violet | E215 |

Installation
Preparation
Stripping of the cable insulation is required before insertion into the lug barrel. Ensure the correct crimping die is used as indicated by the markings on the insulating sheath.
Quality Assurance
Testing Verification
- Waterproof Performance
- Yes



