3SDS4 400W (0.5HP) DC Solar Submersible Water Pump — 1" Outlet

The 3SDS4-400W solar submersible pump is a compact 0.5HP DC-powered borehole and well pump built for small to mid-scale water lifting needs along the Kenyan coast and inland. With a 1-inch outlet, it's well suited for homes, small farms, poultry units, and community boreholes that need reliable water access without relying on grid electricity.

Coastal towns like Mombasa, Malindi, Diani, Kilifi, and Lamu often deal with unreliable grid power and high borehole salinity zones where dependable pumping matters. This pump runs directly off solar panels or a small solar array, making it a practical option for beach properties, coastal farms, and rural homesteads where diesel generators or grid extensions are costly.

Inland, in areas with strong wind resource potential — useful for hybrid solar-wind setups — this pump can also be paired with a small wind-assisted charge system for more consistent output during cloudy coastal afternoons.

CoastalSolar Africa supplies, installs, and supports the 3SDS4-400W pump across the coastal region, with technical guidance on sizing your solar array to match your borehole depth and daily water demand.

Specifications:

• Model: 3SDS4-400W
• Power: 400W (0.5HP)
• Outlet size: 1 inch
• Power source: DC solar direct-drive (no batteries required)
• Application: Boreholes, shallow/deep wells, water tanks
• Recommended use: Domestic, small farm, livestock, community water points
• Ideal panel pairing: Sized based on borehole depth and flow rate needs
• 2-300W Solar Panels
• 4000Ltrs per hour

FAQs:

Does this pump need batteries to run?
No — it's a DC direct-drive pump that runs straight off solar panels during daylight hours. Battery storage is optional for evening use.

Is this pump suitable for coastal borehole water in Mombasa or Malindi?
Yes, with appropriate housing and maintenance it handles typical coastal borehole conditions well. CoastalSolar can advise on corrosion-resistant fittings if salinity is a concern.

How deep can this pump lift water from?
Suitability depends on your borehole depth and static water level — CoastalSolar Africa can help you calculate this before purchase.

Do you install in Kilifi and Lamu?
Yes, CoastalSolar Africa provides supply and installation support across Mombasa, Malindi, Diani, Kilifi, Lamu, and surrounding coastal areas.