Bimetallic Pin Lug Connector for Aluminum to Copper Transition
This bimetallic pin lug is used for transition connection of aluminum cable or aluminum alloy cable with copper end of miniature circuit breaker in low voltage. It features an oil blocking structure and clear markings for correct crimping.




Technical Specifications
Overview
Bimetallic Pin Lug Connector
These bimetallic pin lugs are designed for the reliable transition connection of aluminum or aluminum alloy cables to copper terminals, specifically for miniature circuit breakers in low voltage applications. Engineered with an oil-blocking structure and friction-welded construction, they ensure high conductivity and corrosion-resistant joints. Each unit is prefilled with jointing compound and features clear barrel markings to guide precise crimping according to DIN standards.
Technical Specifications
Material Purity
- Aluminum (Al) ≥ 99.5%
- Copper (Cu) ≥ 99.9%
- Standard
- DIN 46329
- Key Features
- Oil blocking structureFriction weldedCylinder copper pinPrefilled with jointing compound
Dimensions and Sizing
Specification Table
| Type | Conductor (mm²) | Length (mm) | d (mm) | D (mm) | D1 (mm) | Crimping Die |
|---|---|---|---|---|---|---|
| GTLZD16 | 16 | 58.5 | 6 | 12 | 6 | DL12 |
| GTLZD25 | 25 | 60 | 6.8 | 12 | 6 | DL12 |
| GTLZD35 | 35 | 71.2 | 8 | 14 | 7 | DL14 |
| GTLZD50 | 50 | 74 | 9.8 | 16 | 8 | DL16 |
| GTLZD70 | 70 | 87 | 11.2 | 18.5 | 10 | DL18 |
| GTLZD95 | 95 | 91 | 13.2 | 22 | 12 | DL22 |
| GTLZD120 | 120 | 98 | 14.7 | 23 | 12 | DL22 |
| GTLZD150 | 150 | 109 | 16.3 | 25 | 12 | DL25 |
| GTLZD185 | 185 | 116 | 18.3 | 28.5 | 14 | DL28 |
| GTLZD240 | 240 | 128 | 21 | 32 | 16 | DL32 |
| GTLZD300 | 300 | 131 | 23.3 | 34 | 18 | N/A |




