Eaton’s Cooper Power series Dual Source VFI (DS-VFI) transformer provides automatic source recovery, built-in overcurrent protection, and grid automation schemes for the modern electrical distribution system. Designed for both main-main applications and loop-feed applications, the DS-VFI transformer combines state-of-the-art switchgear controls and automation with proven high-efficiency liquid-filled transformer technology into a single assembly. The solution enables complete medium-to low-voltage distribution protection and automatic outage restoration in a compact, cost-effective package.