Bimetallic Lug Connector for Aluminum to Copper Transition
These bimetallic lugs facilitate reliable transition connections between aluminum or aluminum alloy cables and copper terminations. They are suited for medium voltage electrical equipment, ensuring effective conductivity.



Technical Specifications
Overview
High-Performance Bimetallic Transition Lugs
The CAL-BS series bimetallic lugs are engineered for reliable transition connections between aluminum or aluminum alloy cables and copper electrical equipment in medium voltage applications. Featuring a friction-welded construction, these lugs effectively prevent galvanic corrosion between dissimilar metals while ensuring optimal electrical conductivity. Each unit comes pre-filled with jointing compound and features clear barrel markings to guide precise crimping for a secure, long-lasting installation.
Technical Standards
Compliance Standard
Material Specifications
Aluminum Purity
Copper Purity
Design Features
Key Features
- Friction welded bimetallic interface
- Oil blocking structure
- Prefilled with jointing compound
- Clear barrel markings for crimping alignment
Application
- Application Environment
- Transition connection of aluminum/aluminum alloy cables to copper terminals in medium voltage systems.
Product Range
- Conductor Size Range
- 10mm² to 1000mm²
- Available Stud Sizes
- M8M10M12M14M16M18M20

Dimensional Data
Small to Medium Range (10-95mm²)
| Type | Size (mm²) | Length (mm) | ID (mm) | OD (mm) |
|---|---|---|---|---|
| CAL-10BS | 10 | 69 | 4.5 | 16 |
| CAL-16BS | 16 | 69 | 5.6 | 16 |
| CAL-35BS | 35 | 69 | 8 | 16 |
| CAL-50BS | 50 | 76 | 9 | 20 |
| CAL-70BS | 70 | 76 | 10.9 | 20 |
| CAL-95BS | 95 | 76 | 12.4 | 20 |
Large Range (120-500mm²)
| Type | Size (mm²) | Length (mm) | ID (mm) | Palm Width (mm) |
|---|---|---|---|---|
| CAL-120BS | 120 | 95 | 13.7 | 30 |
| CAL-185BS | 185 | 99.5 | 17 | 35 |
| CAL-240BS | 240 | 99.5 | 19.5 | 35 |
| CAL-300BS | 300 | 137.5 | 23.2 | 36 |
| CAL-500BS | 500 | 163 | 29.1 | 60x60 |



Installation
Crimping Die Compatibility
| Conductor Size | Hex Die | Indent Die |
|---|---|---|
| 10~35mm² | ML10~35 | MLKA10~35 |
| 50~95mm² | ML50~95 | MLKA50~95 |
| 120~150mm² | ML120~150 | MLKA120~150 |
| 185~240mm² | ML185~240 | MLKA185~240 |
| 300~400mm² | ML300~400 | MLKA300~400 |
| 500~630mm² | ML500~630 | MLKA500~630 |



