{"product_id":"bomba-sumergible-lorentz-pu1800-c-sj3-18","title":"Lorentz PU1800 C-SJ3-18 Submersible Solar Pump 4m³\/h 80m Centrifugal","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLorentz PU1800 C-SJ3-18 Submersible Solar Pump\u003c\/strong\u003e is a professional submersible unit (\u003cem\u003ePump Unit\u003c\/em\u003e) designed to offer the perfect balance between flow rate and head in 4” wells. It combines the high-efficiency ECDRIVE motor with the \u003cstrong\u003ePE C-SJ3-18\u003c\/strong\u003e centrifugal hydraulic body made of AISI 304 stainless steel, with an integrated check valve. This version is supplied \u003cstrong\u003ewithout controller\u003c\/strong\u003e, making it ideal for projects where a \u003cem\u003ePS2-1800\u003c\/em\u003e is already available or where a custom system configuration is desired. With performance up to 4.0 m³\/h and 80 m, it is a reliable, robust, and low-maintenance solution for water supply, transfers, and irrigation in solar installations.\u003c\/p\u003e\n\u003ch3\u003eMain Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSubmersible unit with \u003cstrong\u003eECDRIVE 1200\/1800-C\u003c\/strong\u003e brushless motor, water-filled, IP68 sealed, and maintenance-free.\u003c\/li\u003e\n  \u003cli\u003eCentrifugal hydraulics \u003cstrong\u003ePE C-SJ3-18\u003c\/strong\u003e in AISI 304 with \u003cstrong\u003echeck valve\u003c\/strong\u003e to protect the discharge.\u003c\/li\u003e\n  \u003cli\u003eDesign performance: \u003cstrong\u003e4.0 m³\/h\u003c\/strong\u003e flow rate and \u003cstrong\u003e80 m\u003c\/strong\u003e head with the appropriate controller.\u003c\/li\u003e\n  \u003cli\u003eHigh system efficiency (with PS2-1800): controller up to 98%, motor up to 92%, hydraulics up to 54%.\u003c\/li\u003e\n  \u003cli\u003eCompact format for 4” wells, silent operation, and long service life in clean water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvantages or Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotal flexibility\u003c\/strong\u003e: integrate the unit with your existing \u003cstrong\u003eLorentz PS2-1800 controller\u003c\/strong\u003e or select the most suitable one for your PV field.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimal operating cost\u003c\/strong\u003e thanks to brushless technology and corrosion-resistant materials.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHydraulic safety\u003c\/strong\u003e due to the integrated check valve that prevents backflow and water hammer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModularity\u003c\/strong\u003e: allows independent replacement of motor, hydraulics, or controller, reducing downtime.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable performance\u003c\/strong\u003e across a wide range of conditions, maximizing water per kWh available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePurpose or Applications\u003c\/h3\u003e\n\u003cp\u003eSupply to off-grid homes, tank filling, gravity or low\/medium pressure irrigation, transfers on farms and livestock. Recommended for photovoltaic installations requiring a solid balance between flow rate (4.0 m³\/h) and head (80 m) in 4” wells.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eSubmersible pump unit (PU) for solar system\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eController\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eNot included\u003c\/strong\u003e (recommended Lorentz PS2-1800)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003eECDRIVE 1200\/1800-C, brushless, water-filled, IP68\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eReference power\u003c\/td\u003e\n\u003ctd\u003eUp to 1.8 kW (depending on controller)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eHydraulics\u003c\/td\u003e\n\u003ctd\u003ePE C-SJ3-18, centrifugal, AISI 304, check valve\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMax. flow rate \/ head\u003c\/td\u003e\n\u003ctd\u003e4.0 m³\/h \/ 80 m (with PS2-1800)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMax. current to motor\u003c\/td\u003e\n\u003ctd\u003eUp to 14 A (limited by controller)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTypical PV window (with PS2-1800)\u003c\/td\u003e\n\u003ctd\u003eMax. input 200 V; optimal Vmp \u0026gt; 102 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWell diameter\u003c\/td\u003e\n\u003ctd\u003e4”\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMaximum immersion\u003c\/td\u003e\n\u003ctd\u003eUp to 150 m\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWater temperature\u003c\/td\u003e\n\u003ctd\u003eMax. 50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eApprox. weight\u003c\/td\u003e\n\u003ctd\u003e≈ 14 kg (motor ≈ 7.5 kg + hydraulics ≈ 6.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibilities\u003c\/h3\u003e\n\u003cp\u003eDirect compatibility with \u003cstrong\u003eLorentz PS2-1800 Controller\u003c\/strong\u003e, with the \u003cstrong\u003ePE C-SJ3-18\u003c\/strong\u003e head (included in this unit) and standard 4” discharge accessories. Supports dry well sensors and float switches via the PS2 controller. For the photovoltaic generator, configure strings that respect the controller window (Isc current and Vmp within range).\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eLorentz PU1800 C-SJ3-18 Submersible Solar Pump\u003c\/strong\u003e is the perfect modular choice when you want to renew only the submersible part or build an optimized solar pumping system, combining efficiency, reliability, and ease of integration.\u003c\/p\u003e","brand":"Lorentz","offers":[{"title":"Default Title","offer_id":51503193850197,"sku":"LOREBOM043","price":1387.71,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/0252\/6805\/files\/PU-1800-C-SJ3-18.png?v=1762627680","url":"https:\/\/aurensol.net\/en\/products\/bomba-sumergible-lorentz-pu1800-c-sj3-18","provider":"Aurensol","version":"1.0","type":"link"}