Kunda 70M solar submersible pump with the control box

The Kunda 70M solar submersible pump is a common model for deep-well solar water pumping systems, typically sold as a kit including the pump and its control box (controller). Here is a summary of the general specifications and features:   General Specifications   Maximum Head (Lift): Approximately 70 meters (this is the maximum vertical distance the pump can push the water). Power: Usually around 600 Watts (W). Flow Rate (Discharge): Often around 3 cubic meters per hour (m3/h) or approximately 50 liters per minute (L/min) at the stated maximum head. Voltage: Typically a 72V DC system (sometimes listed as 48V nominal, running up to 72V or more from solar panels). Motor Type: Commonly a Brushless DC (BLDC) motor for high efficiency and long life. Outlet Size: Often 1 inch.