CABAC BI-MET 4 CORE SECT LINK AL185 TO CU120MM BLKSC185/4/120 x 1/EACH

Description

Reliable Bi-Metal Sector Link for Aluminium to Copper Transitions

The CABAC BI-MET 4 Core Sector Link AL185 to CU120mm BLKSC185/4/120 is designed to provide a dependable connection when joining 185mm² sector aluminium conductors to 120mm² copper conductors. Built specifically for four-core solid sector aluminium cables used in URD installations, this bi-metal link simplifies the transition between aluminium and copper conductors while maintaining strong electrical performance.

Its specialised barrel design features a sector-shaped internal profile with a round external dimension, allowing installers to use standard hex crimp dies rather than specialised nest and indent tools. This makes installation quicker on site and easier for contractors who want consistent results using commonly available crimping equipment. For electricians working on distribution networks or underground residential developments, it’s a practical solution for creating secure, low-resistance cable joins.

Built for Compliance, Strength, and Long-Term Performance

Manufactured using 99.6% pure aluminium sleeves and 99.95% pure copper palms, this CABAC bi-metal link delivers excellent conductivity and durability in demanding environments. The two metals are friction welded to IEC standards, ensuring a strong bond that minimises resistance and maintains reliable electrical continuity across the joint.

The link is fully annealed, improving ductility and helping prevent cracking during crimping or service life. With a tensile strength of 110 MPa and a ductile rating of 28%, it is engineered to withstand mechanical stress during installation and operation.

Compliance with multiple international standards — including AS/NZS4325 Part 1, IEC, DIN/VDE, JIS, and BS — ensures the product meets the expectations of professional electricians working on compliant installations. The link also operates reliably across a wide temperature range from -40°C to 125°C, making it suitable for both indoor and outdoor electrical infrastructure.

Practical Installation for Busy Electrical Contractors

On busy worksites, efficiency matters. This CABAC bi-metal sector link is designed to keep installations moving with minimal complexity. The hex-crimp compatible barrel means contractors can complete connections using standard crimping tools already in their kit, avoiding delays caused by specialised tooling requirements.

The link is purpose-built for solid four-core sector aluminium conductors, making it a reliable choice for URD systems, distribution upgrades, and copper transition points. Whether you’re working on new developments, electrical infrastructure, or maintenance upgrades, this link provides a straightforward way to connect aluminium cables to copper conductors while maintaining electrical integrity and compliance.

For electricians and contractors sourcing dependable connection components, this CABAC link helps ensure secure joins, efficient installations, and reduced risk of connection failure on site.

Key Specs

• Aluminium End Conductor: 185mm² Sector (4 Core)

• Copper Conductor Size: 120mm²

• Aluminium Sleeve Material: 99.6% pure aluminium

• Copper Palm Material: 99.95% pure copper

• Tensile Strength: 110 MPa

• Ductile Rating: 28%

• Metal State: Fully annealed including joint

• Joining Method: Friction welding (IEC standard)

• Cable Sector Shape: BS3988-1970

• Operating Temperature: -40°C to 125°C

• Aluminium Resistivity: 2.6 micro-ohm cm (max)

• Copper Resistivity: 1.738 micro-ohm cm

• Aluminium Conductivity: 61.8% IACS (min)

• Copper Conductivity: 99.7% IACS

• Compliance: AS/NZS4325 Part 1, IEC, DIN/VDE, JIS, BS

Ideal For

• Underground Residential Distribution (URD) installations

• Joining sector aluminium cables to stranded copper conductors

• Electrical contractors working on network or infrastructure connections

• Commercial and industrial electrical installations

• Maintenance teams upgrading or repairing aluminium distribution cabling