DQB3-65-72-750-A/D Series AC/DC Hybrid Solar Peripheral Pumps: Key Features and Highlights Advanced AC/DC Hybrid Power & 24/7 Continuous Operation: This upgraded hybrid model accepts both DC solar power and AC grid/generator power simultaneously. It automatically prioritizes solar energy during the day and seamlessly switches to or blends with AC power when sunlight is insufficient or at night, ensuring your water supply never stops Smart Automatic Switching, No Manual Setup: Equipped with an intelligent hybrid control system, the pump monitors power inputs in real time. There is no need for manual transfer switches or complex external changeover boxes—the system handles everything safely and automatically.