The Grundfos SQFlex is a renewable-energy submersible pump range engineered for dependable water supply where grid power is unavailable or unreliable. Its MSF 3 motor with built-in electronics runs on 30-300 VDC from solar panels or wind turbines, or on 1x90-240 VAC 50/60 Hz mains or generator backup, with dry-running protection and corrosion-resistant AISI 304/316 stainless steel construction. Helical rotor models reach heads up to 250 m while centrifugal models deliver flows up to 23 m3/h. Ideal for off-grid borewell water supply, farm and livestock watering, solar irrigation, and remote village and farmhouse water systems.

Flow Rate :

Up to 23 m³/h

Head :

Up to 250 m

Power Supply :

30–300 VDC (solar/wind) or 1 x 90–240 VAC, 50/60 Hz (supports Indian 1x230 V mains backup)

Power Input (P1) :

0.35–2.5 kW (MSF 3 motor with integrated electronics)

Material :

Stainless steel AISI 304 (AISI 316 on N-versions)

Max Fluid Temperature :

40 °C

Pump Design :

3" helical rotor (high head) and 3"/4" centrifugal (high flow) models

Warranty :

2 years