Lorentz PU1800 C-SJ17-2 Submersible Solar Pump 26m³/h 16m Centrifugal

Product Description

The Lorentz PU1800 C-SJ17-2 Submersible Solar Pump is a professional pump unit designed to move large volumes of water at moderate heads using photovoltaic energy. It combines the centrifugal hydraulic body PE C-SJ17-2, made of AISI 304 stainless steel with an integrated check valve, and a high-efficiency, low-maintenance ECDRIVE submersible motor. With a flow rate of up to 26 m³/h and a maximum head of 16 m, it is a robust, modular, and reliable solution for agricultural irrigation, reservoir filling, and water transfer in operations that require high flow without complexity. This version is PU (does not include controller), intended to be integrated with Lorentz controllers of the same platform, which provide MPPT, protections, and automation with probes and float switches.

Main Features

• Maximum flow rate of 26 m³/h and maximum head of 16 m in 6" wells.
• Centrifugal PE C-SJ17-2 hydraulics with integrated check valve and excellent performance.
• ECDRIVE 1200/1800-C motor, brushless, IP68, water-lubricated; nominal power approximately 1.7 kW.
• Construction in AISI 304 stainless steel for maximum durability in clean water.
• Lorentz modular architecture: easy assembly, fast service, and availability of original spare parts.
• Silent operation and minimal maintenance, ideal for remote environments.

Advantages or Benefits

• High flow with low head: rapid filling of tanks and reservoirs without oversizing the installation.
• Long-term reliability thanks to stainless materials, brushless motor, and sealed design.
• Integrated check valve that protects the water column and prevents unwanted backflow or emptying.
• Scalability: by adding a Lorentz controller you obtain MPPT, protections, and level-based automation.
• Simple integration into new solar systems or as a replacement pump unit in existing installations.

Purpose or Applications

Suitable for gravity or low-pressure sprinkler irrigation, transfers between tanks, reservoir refilling, and supply for agricultural and livestock operations. Its best performance is achieved in 6" wells where high flow is required at moderate heads, both in off-grid systems and in hybrid configurations with grid or generator support.

Technical Specifications

Compatibilities

This unit does not include a controller. It is compatible with Lorentz controllers from the PS2-1800 family (they add MPPT, protections, inputs for well probe and float switches). When integrated with PS2-1800, size the PV generator for aggregate Vmp > 102 V, total Voc ≤ 200 V DC, and an Isc within the controller's admissible range. Use Lorentz accessories and spare parts from the C-SJ series and ECDRIVE motors.

The Lorentz PU1800 C-SJ17-2 offers high flow, efficiency, and reliability with a modular design that simplifies installation and maintenance, providing value in professional submersible solar pump projects.