Sun Pumps provides reliable solar-powered water pumping solutions, including submersible pumps, DC motors, and control modules for off-grid water access.
Sun Pumps specializes in the design and manufacturing of versatile, high-efficiency solar water pumping systems. Their product lineup includes HR AC/DC submersible pumps with helical rotors, built-in inverters, and dedicated solar control modules that maximize performance using Maximum Power Point Tracking (MPPT).
These dependable water pumping solutions are widely used for residential, agricultural, and industrial applications in off-grid environments. Whether you need an automated control module, a dual-action float switch, or a heavy-duty submersible pump, Sun Pumps delivers environmentally friendly technologies engineered to withstand the elements.
Browse our directory below to find wiring diagrams, installation manuals, and configuration parameters for your Sun Pumps hardware.
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To wire the FS-2359 float switch as Normally Open (NO), use only the black and blue wires, and safely cap or cut off the brown wire. Check your pump controller manual to verify if your specific setup requires a NO or NC configuration.
Maximum Power Point Tracking (MPPT) constantly adjusts the pump speed to extract the maximum available power from your connected photovoltaic (PV) solar panels, maximizing water yield as sunlight conditions fluctuate.
The pump features built-in electrical and dry-run protections. It automatically stops if it detects dry running, motor overloading, or if solar irradiance is too low. For a dry run alarm, it will typically wait 5 minutes before attempting to restart to allow the well to recover.
Thanks to their wide voltage range (90-265 VAC or 90-400 VDC), HR AC/DC pumps can run on direct solar panels, AC generators, or standard grid power. The built-in inverter automatically adjusts performance according to the available power source.