

The Pedrollo 4PD-3HP-2.2kW-400V is a three-phase, oil-filled electric motor designed for use with Pedrollo 4SR series pump hydraulics, 4 inches in diameter. It ensures stable and efficient operation at a depth of up to 200 meters, making it ideal for intensive water supply to private homes, commercial facilities, and agricultural systems.
Design and Key Features
✅ AISI 316 stainless steel casing – provides maximum protection against corrosion and chemically aggressive environments.
✅ DUPLEX steel shaft – enhanced strength and wear resistance, ensuring long service life.
✅ Oil cooling – ensures efficient heat dissipation and motor protection; the oil is non-toxic and safe for contact with drinking water.
✅ Anti-corrosion bottom protection – made of a cadmium-free zinc-aluminum alloy to protect against stray currents and corrosion.
✅ NEMA standard flange – facilitates installation and guarantees compatibility with Pedrollo 4SR hydraulics.
✅ A 3.6-meter power cable is included for convenient connection.
Technical Specifications Pedrollo 4PD-3HP-2.2kW-400V
Motor type: two-pole (approximately 2900 rpm)
Protection degree: IP68
Insulation class: F
Maximum submersion depth: up to 200 meters
Minimum cooling water flow: 8 cm/s
Operating mode: continuous (S1)
Maximum number of starts per hour: up to 20 (with even intervals)
Areas of Application
✅ Water supply for private homes and cottages
✅ Commercial and agricultural pumping stations
✅ Irrigation and watering systems
✅ Firefighting and backup pumping systems
✅ Industrial facilities requiring continuous water supply
Advantages of the Pedrollo 4PD-3HP-2.2kW-400V
High power and efficiency in a compact size
Protection against corrosion and aggressive water effects
Long service life and minimal maintenance requirements
Standard NEMA mounting – ease of installation
Environmentally safe materials for contact with drinking water
The Pedrollo 4PD-3HP-2.2kW-400V is the optimal choice for powerful water supply systems requiring stable and durable motor operation with high efficiency and resistance to operating conditions.
Maximum sand content in water, g/m³: | 150 |
Degree of protection: | IP68 |
Height teh, mm: | 437 |
Installation method: | Vertical |
Max. liquid temperature, °C: | +35 |
Coutry of brand: | Italy |
Connection diameter, inch: | 3 |
Weight, kg: | 11,7 |
Diameter, mm: | 92 |
Tip motor: | three-phase |
Impeller Material: | Delrin |
Body material: | INOX AISI 316 |
Power, kW: | 2,2 |
Revolutions Per Minute, r/min: | 2820 |