Pro Installer Link Joinder 4-WayThis tin-plated bus bar can be used to link 4 adjacent DC products together. The rating varies from 450-650 Amps, depending on how this busbar is wired. Made from tin-plated high-purity copper, this bar is intended for use with the BEP Pro Installer system, but it has universal applications anywhere a high-amperage link bus is needed. Pro Installer link bars provide the fastest and most economical way of connecting the Pro Installer line of products to save space and allow for the most compact installations. The common interconnection height of Pro Installer components allows link bars to quickly and easily convert a group of different products into a functional cluster. Links can be doubled to accommodate higher loads.Features:Tin-plated high-purity copper for maximum conductivity and corrosion resistance650 AMP continuous rating between two adjacent positions450 AMP continuous rating across all positionsThis link bar is intended to be used with 3/8″ studsHole spacing is 2″Overall dimensions 6.9″ x 1″WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.