The Grundfos SQE is a 3-inch multistage submersible pump with a permanent-magnet smart motor and built-in variable-speed drive, delivering true constant water pressure when paired with the CU 301 controller — communication runs over the power cable, so no extra wires go down the borewell. Integrated dry-run protection, soft start, and over-/undervoltage, overload and overtemperature protection ensure long, unattended service in 76 mm (3-inch) and larger borewells. AISI 304 stainless steel construction and floating impellers with tungsten carbide/ceramic bearings give high wear resistance even in sand-laden water. Applications include domestic borewell water supply, residential constant-pressure systems, villas and farmhouses, irrigation, and light commercial buildings.

Flow Rate :

5-30 US gpm rated (approx. 1.1-6.8 m³/h)

Head :

Up to 450 ft (137 m) at rated flow

Power :

0.5-1.5 HP (0.37-1.1 kW), 1x200-240 V, 50/60 Hz

Material :

AISI 304 stainless steel; glass-fibre reinforced polyamide hydraulics

Max Fluid Temperature :

35 °C

Discharge Connection :

1", 1 1/4" or 1 1/2" NPT (model dependent)

Min Borewell Diameter :

76 mm (3 inch)

Constant Pressure Range (with CU 301) :

40-100 psi (2.8-6.9 bar)