48 to 400 kW. ETL Certified to UL1778 and UL924. Hybrid Fast Transfer Green Mode - 98% EfficiencyRR. Online Continuous Mode - 94% Efficiency. Modular Design, Front Access. Multiple Design Configurations. True Galvanic isolation design. Designed to protect against a floating neutral. Advanced digital signal processing. Modular Assembly for Ease of Installation. Individualized inverter support on each phase.