LYB108 4000A Heavy-Duty Fixed Contact for Vacuum Circuit Breakers – Silver-Plated Copper Contact Sleeve for High-Voltage Switchgear

The LYB108 is a high-capacity 4000A fixed contact designed for heavy-duty power transmission in vacuum circuit breakers (VCB) and high-voltage switch cabinets. Precision-manufactured from high-purity copper, this contact sleeve features a thick silver-plated finish to ensure maximum conductivity and superior resistance to oxidation. Its robust, wide-diameter design is engineered to handle massive electrical loads while maintaining exceptional thermal stability. The LYB101 includes a specialized notched base for secure, anti-rotational mechanical mounting, making it an essential component for reliable switching operations in utility-scale distribution networks.