{"product_id":"bomba-solar-grundfos-sqflex-25-2-80m-3-5m3h","title":"Grundfos SQFlex 2.5-2 Solar Pump | 3\" | 80 m | 3.5 m³\/h | 1.4 kW","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGrundfos SQFlex 2.5-2 Solar Pump\u003c\/strong\u003e is a 3\" submersible pump designed for medium-depth wells that require sustained flow with high efficiency. Its helical (screw) hydraulic system provides stable pressure at heights up to 80 meters, reaching a maximum flow rate of 3.5 m³\/h. It incorporates electronics with maximum power point tracking (MPPT) to optimize photovoltaic energy and accepts both direct current and alternating current input, enabling pure solar, hybrid, or grid\/generator backup configurations. Constructed from AISI 304 stainless steel and rated IP68, it offers reliability, durability, and easy installation in boreholes from 76 mm.\u003c\/p\u003e\n\u003ch3\u003eMain Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-pressure helical hydraulics: stable performance at medium\/high head with excellent energy efficiency.\u003c\/li\u003e\n  \u003cli\u003eWide input range: DC 30–300 Vdc with integrated \u003cstrong\u003eMPPT\u003c\/strong\u003e and single-phase AC 90–240 Vac.\u003c\/li\u003e\n  \u003cli\u003eInput power (P1) 1.4 kW; MSF3 motor at 3,600 rpm with internal thermal protection.\u003c\/li\u003e\n  \u003cli\u003eRobust construction in AISI 304 stainless steel; integrated non-return valve.\u003c\/li\u003e\n  \u003cli\u003eProtection rating \u003cstrong\u003eIP68\u003c\/strong\u003e; insulation class F; suitable for continuous operation in demanding environments.\u003c\/li\u003e\n  \u003cli\u003eCompact 3\" diameter (Ø approx. 74 mm) and Rp 1 1\/4\" outlet for boreholes ≥ 76 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvantages or Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSavings and autonomy: direct pumping with solar panels without external inverters, lower operating and maintenance costs.\u003c\/li\u003e\n  \u003cli\u003eTotal flexibility: operates with solar DC and grid or generator AC, ideal for hybrid or backup scenarios.\u003c\/li\u003e\n  \u003cli\u003eStable supply: the helical curve maintains pressure at 60–80 m, perfect for elevated tanks and drip irrigation.\u003c\/li\u003e\n  \u003cli\u003eQuick installation: integrated electronics, standard protections, and reduced dimensions for narrow wells.\u003c\/li\u003e\n  \u003cli\u003eLong service life: stainless materials, superior sealing, and protection against dry running and overvoltage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePurpose or Applications\u003c\/h3\u003e\n\u003cp\u003eWater supply for isolated homes, farms and livestock, tank filling at height, localized irrigation (drip\/light sprinkling), small rural networks, and compact treatment plants. Due to its balance between head and flow, the \u003cstrong\u003eGrundfos SQFlex 2.5-2 Solar Pump\u003c\/strong\u003e is especially suitable when reliable pressure is required with moderate demand.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSQF 2.5-2\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePump diameter\u003c\/td\u003e\n\u003ctd\u003e3\" (Ø approx. 74 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMaximum head\u003c\/td\u003e\n\u003ctd\u003e80 m\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMaximum flow rate\u003c\/td\u003e\n\u003ctd\u003e3.5 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eHydraulic type\u003c\/td\u003e\n\u003ctd\u003eHelical rotor (screw)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInput power (P1)\u003c\/td\u003e\n\u003ctd\u003e1.4 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDC input\u003c\/td\u003e\n\u003ctd\u003e30–300 Vdc (integrated MPPT)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAC input\u003c\/td\u003e\n\u003ctd\u003e1× 90–240 Vac\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eNominal current\u003c\/td\u003e\n\u003ctd\u003e8.4 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e3,600 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtection rating\u003c\/td\u003e\n\u003ctd\u003eIP68\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInsulation class\u003c\/td\u003e\n\u003ctd\u003eF\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eHydraulic outlet\u003c\/td\u003e\n\u003ctd\u003eRp 1 1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMinimum well diameter\u003c\/td\u003e\n\u003ctd\u003e76 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMaterials\u003c\/td\u003e\n\u003ctd\u003eAISI 304 stainless steel (body\/rotor); integrated non-return valve\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtections\u003c\/td\u003e\n\u003ctd\u003eDry running, over\/under voltage, and thermal overload\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eLiquid temperature\u003c\/td\u003e\n\u003ctd\u003e≤ 40 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMaximum ambient pressure\u003c\/td\u003e\n\u003ctd\u003e15 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSupply cable\u003c\/td\u003e\n\u003ctd\u003e2 m\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e≈ 10.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibilities\u003c\/h3\u003e\n\u003cp\u003eDirect operation with photovoltaic modules within 30–300 Vdc and with single-phase grid\/generator 90–240 Vac. Recommended accessories (not included): CU200 controller, IO101\/IO102 interfaces, level probes for well and tank, suitable DC\/AC protections (disconnectors, fuses, surge arresters), and 1 1\/4\" piping\/valves.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eGrundfos SQFlex 2.5-2 Solar Pump\u003c\/strong\u003e combines efficiency, versatility, and robustness to ensure reliable water supply with solar energy in medium-depth wells.\u003c\/p\u003e","brand":"Grundfos","offers":[{"title":"Default Title","offer_id":51502794178901,"sku":"GRUNBOM003","price":1693.71,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/0252\/6805\/files\/GRUNDFOS-SQFLEX-4-2_c63fc7f7-17c9-484b-9756-bd5651846635.png?v=1762626426","url":"https:\/\/aurensol.net\/en\/products\/bomba-solar-grundfos-sqflex-25-2-80m-3-5m3h","provider":"Aurensol","version":"1.0","type":"link"}