Submersible pump for solar systems SQF 1.2-3

The Grundfos SQF 1.2-3 submersible pump is an advanced solution for pumping systems powered by renewable energy sources, such as solar and wind energy. This pump is specifically designed for groundwater supply applications in agriculture, as well as for community water supply systems in rural and isolated areas. Its versatility in terms of the type of energy it uses makes it an ideal option for places where energy availability is limited or intermittent.

Main features:

• Compatibility with renewable energies: The Grundfos SQF 1.2-3 is compatible with solar, wind, and alternating current (AC) energy sources, providing flexibility regarding the type of electrical supply available. This makes it an ideal pump for remote areas and sustainable applications.
• Advanced protection: The pump is equipped with a dry running, overload, and inadequate voltage protection system, ensuring a long lifespan and reducing the risk of costly breakdowns.
• Optimized performance: With a maximum power point tracking (MPPT) system, the pump adjusts its performance to maximize efficiency according to the available energy conditions, ensuring a constant water supply.

Innovative technology and design:

The Grundfos SQF 1.2-3 pump features a compact and durable design, ideal for operation in small diameter wells and demanding conditions. It is made from high-quality materials, such as AISI 304 stainless steel (DIN W.-Nr. 1.4301) for the pump body, impeller, and motor, providing corrosion resistance and reliable operation in harsh environments.

• Stainless steel impeller: The impeller is designed to ensure efficient flow at low flow rates, allowing the pump to deliver reliable performance even at high lift heights.
• High-performance motor: The pump's MSF3 motor operates at a nominal speed of 3600 rpm, ensuring efficient pumping under all conditions.

Relevant technical data:

• Flow and height: This pump is suitable for pumping applications that require low flows with high heights, providing a constant supply in agricultural and community applications.
• Maximum pressure: With a working pressure of up to 15 bar, the SQF 1.2-3 can handle high-pressure applications without compromising performance.
• Minimum well diameter: The minimum well diameter for installing the pump is 76 mm, making it suitable for a wide range of wells and drillings.

Electrical data and protection:

• Versatile power source: The SQF 1.2-3 pump operates with both alternating current (AC) and direct current (DC), allowing its use with solar panels, wind turbines, or electric generators. Its wide voltage range allows it to operate between 30-300 V DC and 90-240 V AC, ensuring functionality in various configurations.
• IP68 protection: The pump is fully protected against dust ingress and submersible, ensuring its durability and resistance in demanding aquatic environments.
• Insulation class F: The pump's motor has an insulation class F, providing greater heat resistance and ensuring safe long-term operation.

Flexible installation and reduced maintenance:

The installation of the Grundfos SQF 1.2-3 is straightforward, thanks to its compact design and ability to adapt to various energy configurations. The pump comes equipped with a non-return valve, preventing backflow and improving system efficiency. Additionally, its low maintenance requirement makes it an ideal option for hard-to-reach areas.

• Standard connections: The pump features a Rp 1 1/4 inch connection, facilitating integration into common piping systems.
• Cable length: The pump includes a 2-meter power cable, providing the necessary flexibility for installation in various locations.

Recommended applications:

The Grundfos SQF 1.2-3 is ideal for a variety of applications in sustainable water pumping systems, including:

• Water supply for rural communities.
• Agricultural irrigation systems powered by solar or wind energy.
• Potable water supply systems in areas without access to the electrical grid.
• Water supply in isolated sites or where a reliable autonomous solution is required.