Pedrollo Engine 4PD-0.75HP-0.55kW-400V

The Pedrollo 4PD-0.75HP-0.55kW-400V model is a compact yet powerful three-phase electric motor, specifically designed for use with Pedrollo 4SR submersible pumps. Thanks to its robust and corrosion-resistant construction, it is ideal for water supply systems operating 24/7, including private homes, cottages, farms, and small businesses.

Reliable Design and Professional-Grade Materials

✅ Oil-filled cooling chamber, ensuring stable motor operation in fully submerged conditions. The oil used is non-toxic and safe upon contact with drinking water. 

✅ AISI 316 stainless steel – material of the outer casing, resistant to aggressive water and corrosion. 

✅ High-strength DUPLEX steel shaft – enhanced resistance to wear and deformation. 

✅ NEMA standard unified flange, allowing easy mounting of the motor to the pump section without modifications. 

✅ Bottom anti-corrosion protection included – made of a safe Zn-Al alloy, preventing casing degradation in challenging chemical environments.

 ✅ A 2-meter cable is included – ready for connection without additional costs.

Technical Specifications Pedrollo 4PD-0.75HP-0.55kW-400V

Type: two-pole electric motor (n ~ 2900 rpm) 

Protection class: IP68 

Insulation class: F 

Submersion depth: up to 200 m 

Cooling flow: at least 8 cm/s 

Operating mode: continuous S1 

Number of starts: up to 20 per hour (at equal intervals)

Areas of Application

✅ Deep-well pumping stations based on 4SR 

✅ Automatic water supply systems in private and commercial buildings 

✅ Irrigation systems, including drip and sprinkler irrigation 

✅ Water supply for greenhouses and agricultural plots 

✅ Backup and firefighting systems

Advantages of the Pedrollo 4PD-0.75HP-0.55kW-400V Motor

Extended service life due to quality materials

Stable operation in a three-phase network – without surges or overheating

Reliable protection against corrosion and stray currents

Easy connection and operation

Compatibility with all Pedrollo 4SR pump hydraulics