Pedrollo Engine4PD-5.5HP-4kW-400V

The Pedrollo 4PD-5.5HP-4kW-400V is a professional oil-filled submersible electric motor with a power of 4 kW, designed for use with Pedrollo 4SR pump modules in the most demanding conditions. It is ideally suited for deep wells, high-pressure systems, water supply to industrial facilities, farms, greenhouses, and drip irrigation systems.

Design Features and High-Class Materials

✅ Motor casing made of AISI 316 stainless steel – resistant to aggressive minerals and corrosion. 

✅ DUPLEX steel shaft – possesses high mechanical strength, maintains its shape and rigidity during prolonged operation under load. 

✅ Oil cooling – the oil in the system not only effectively dissipates heat but is also safe for drinking water, protecting internal components from wear. 

✅ Anti-corrosion bottom protection – made of zinc and aluminum alloy, cadmium-free, effectively neutralizes stray currents and aggressive impurities. 

✅ Unified NEMA standard flange – facilitates installation and guarantees compatibility with Pedrollo 4SR pump hydraulics. 

✅ A 3.6-meter power cable – included in the delivery package, ready for installation.

Technical Specifications Pedrollo 4PD-5.5HP-4kW-400V

Motor type: two-pole (~2900 rpm) 

Insulation class: F 

Protection degree: IP68 

Maximum submersion depth: up to 200 m 

Minimum water flow for cooling: 8 cm/sec 

Operating mode: continuous (S1) 

Permissible number of starts: up to 20 per hour with even intervals

Areas of Application

✅ Deep-well pumps for industrial and agricultural needs 

✅ Automatic water supply systems in industrial facilities 

✅ High-power irrigation installations 

✅ Water supply to multi-story buildings or remote areas 

✅ Firefighting pumping stations

Advantages of the Pedrollo 4PD-5.5HP-4kW-400V

Outstanding performance and reliability under high loads

Safe for contact with drinking water

Easy integration into existing Pedrollo pumping solutions

Minimum maintenance – maximum lifespan

Ideal for continuous 24/7 operation

The Pedrollo 4PD-5.5HP-4kW-400V is the optimal choice for professionals who require a stable, powerful, and durable motor for deep-well pumps in conditions of increased load and depth.