Hydrophore Water Pressure System SCALA2 3-45 A | Grundfos

Hydrophore Water Pressure System SCALA2 3-45 A, manufacturer: Grundfos

The Grundfos SCALA2 3‑45 A is a compact all-in-one hydrophore/booster system designed to maintain constant water pressure in domestic water supply systems such as houses, apartments, and small irrigation installations.

It integrates a pump, variable-speed inverter, pressure tank, sensors, and controller in a single unit.

Key Features

Constant pressure control via integrated inverter (variable-speed drive)

All-in-one hydrophore unit (pump, motor, tank, sensors, controller)

Self-priming capability up to approx. 8 m suction lift

Automatic protection against dry running, overheating, and overload

Automatic restart function after alarm conditions

Low noise operation (~47 dB typical) suitable for indoor or outdoor installation

Compact and easy installation with standard 230 V power supply

Technical information:

Rated voltage: 1 × 200–240 V, 50/60 Hz

Input power (P1): ~550–580 W

Rated power (P2): ~0.45 kW

Rated current: approx. 2.8 A

Maximum flow rate: up to ~4.6 m³/h

Rated flow: ~3 m³/h

Maximum head: 45 m

Rated head: ~27 m

Maximum system pressure: 10 bar

Maximum inlet pressure: 6 bar

Liquid temperature: 0–45 °C

Ambient temperature: 0–55 °C

Pipe connection: 1" inlet / 1" outlet

Enclosure protection: IPX4D

Weight: 10 kg.