Datasheet summary

Pedrollo 4PS

PDF datasheet mirror for Pedrollo 4PS (Pedrollo Pumps). Verify with OEM before design.

Summary

Product identification

The 4PS series consists of encapsulated 4" submersible motors, designed for reliable, maintenance-free operation. These motors feature a "canned" construction, eliminating the need for mechanical sealing and ensuring protection against water infiltration into the electrical winding.

Operating limits

Liquid temperature: up to +35 °C
Depth of use: up to 300 m below water level
Starts per hour: max. 20 at regular intervals
Minimum cooling flow: 8 cm/s

Electrical

Motor Type: 2 poles, 50 Hz (n ≈ 2900 min⁻¹)
Voltage:
- Single-phase 230 V
- Three-phase 400 V
- Other voltages available upon request
Power Range: 0.37 to 7.5 kW
Duty Cycle: Continuous running duty S1
Insulation: Class F
Protection: IP 68

Single-phase versions - 230 V / 50 Hz

Absorption (Nominal Current):
- 4PSm / 0.50: 3.5 A
- 4PSm / 0.75: 4.4 A
- 4PSm / 1: 5.9 A
- 4PSm / 1.5: 8.1 A
- 4PSm / 2: 10.7 A
- 4PSm / 3: 16.2 A
Detailed Specifications:
- 4PSm / 0.50:
  - Rated power P2: 0.37 kW (0.50 HP)
  - Axial load: 2000 N
  - Revolutions: 2845 min⁻¹
  - Starting current: 3.4
  - Power factor Cos φ: 0.88
  - Capacitor (VL=450V): 20 μF
  - h2: 237 mm
  - Weight: 8.6 kg
- 4PSm / 0.75:
  - Rated power P2: 0.55 kW (0.75 HP)
  - Axial load: 2000 N
  - Revolutions: 2840 min⁻¹
  - Starting current: 3.8
  - Power factor Cos φ: 0.93
  - Capacitor (VL=450V): 25 μF
  - h2: 257 mm
  - Weight: 9.0 kg
- 4PSm / 1:
  - Rated power P2: 0.75 kW (1 HP)
  - Axial load: 2000 N
  - Revolutions: 2835 min⁻¹
  - Starting current: 3.8
  - Power factor Cos φ: 0.92
  - Capacitor (VL=450V): 35 μF
  - h2: 272 mm
  - Weight: 9.6 kg
- 4PSm / 1.5:
  - Rated power P2: 1.1 kW (1.5 HP)
  - Axial load: 2000 N
  - Revolutions: 2820 min⁻¹
  - Starting current: 3.3
  - Power factor Cos φ: 0.91
  - Capacitor (VL=450V): 40 μF
  - h2: 312 mm
  - Weight: 11.5 kg
- 4PSm / 2:
  - Rated power P2: 1.5 kW (2 HP)
  - Axial load: 3000 N
  - Revolutions: 2830 min⁻¹
  - Starting current: 3.2
  - Power factor Cos φ: 0.94
  - Capacitor (VL=450V): 60 μF
  - h2: 352 mm
  - Weight: 13.2 kg
- 4PSm / 3:
  - Rated power P2: 2.2 kW (3 HP)
  - Axial load: 3000 N
  - Revolutions: 2810 min⁻¹
  - Starting current: 3.6
  - Power factor Cos φ: 0.94
  - Capacitor (VL=450V): 70 μF
  - h2: 402 mm
  - Weight: 15.5 kg

Three-phase versions - 400 V / 50 Hz

Absorption (Nominal Current):
- 4PS / 0.50: 1.6 A
- 4PS / 0.75: 1.8 A
- 4PS / 1: 2.5 A
- 4PS / 1.5: 3.4 A
- 4PS / 2: 4.3 A
- 4PS / 3: 6.0 A
- 4PS / 4: 6.9 A
- 4PS / 5.5: 9.6 A
- 4PS / 7.5: 12.4 A
- 4PS / 10: 16.9 A
Detailed Specifications:
- 4PS / 0.50:
  - Rated power P2: 0.37 kW (0.50 HP)
  - Axial load: 2000 N
  - Revolutions: 2855 min⁻¹
  - Starting current: 4.2
  - Power factor Cos φ: 0.64
  - h2: 237 mm
  - Weight: 8.1 kg
- 4PS / 0.75:
  - Rated power P2: 0.55 kW (0.75 HP)
  - Axial load: 2000 N
  - Revolutions: 2835 min⁻¹
  - Starting current: 4.1
  - Power factor Cos φ: 0.70
  - h2: 237 mm
  - Weight: 8.1 kg
- 4PS / 1:
  - Rated power P2: 0.75 kW (1 HP)
  - Axial load: 2000 N
  - Revolutions: 2830 min⁻¹
  - Starting current: 4.4
  - Power factor Cos φ: 0.68
  - h2: 257 mm
  - Weight: 9.0 kg
- 4PS / 1.5:
  - Rated power P2: 1.1 kW (1.5 HP)
  - Axial load: 2000 N
  - Revolutions: 2825 min⁻¹
  - Starting current: 4.6
  - Power factor Cos φ: 0.69
  - h2: 272 mm
  - Weight: 9.6 kg
- 4PS / 2:
  - Rated power P2: 1.5 kW (2 HP)
  - Axial load: 3000 N
  - Revolutions: 2820 min⁻¹
  - Starting current: 4.7
  - Power factor Cos φ: 0.73
  - h2: 297 mm
  - Weight: 10.7 kg
- 4PS / 3:
  - Rated power P2: 2.2 kW (3 HP)
  - Axial load: 3000 N
  - Revolutions: 2805 min⁻¹
  - Starting current: 5.2
  - Power factor Cos φ: 0.74
  - h2: 352 mm
  - Weight: 13.1 kg
- 4PS / 4:
  - Rated power P2: 3 kW (4 HP)
  - Axial load: 3000 N
  - Revolutions: 2845 min⁻¹
  - Starting current: 5.7
  - Power factor Cos φ: 0.82
  - h2: 484 mm
  - Weight: 18.3 kg
- 4PS / 5.5:
  - Rated power P2: 4 kW (5.5 HP)
  - Axial load: 6500 N
  - Revolutions: 2850 min⁻¹
  - Starting current: 5.9
  - Power factor Cos φ: 0.78
  - h2: 574 mm
  - Weight: 22.5 kg
- 4PS / 7.5:
  - Rated power P2: 5.5 kW (7.5 HP)
  - Axial load: 6500 N
  - Revolutions: 2845 min⁻¹
  - Starting current: 5.9
  - Power factor Cos φ: 0.84
  - h2: 664 mm
  - Weight: 26.7 kg
- 4PS / 10:
  - Rated power P2: 7.5 kW (10 HP)
  - Axial load: 6500 N
  - Revolutions: 2830 min⁻¹
  - Starting current: 5.8
  - Power factor Cos φ: 0.84
  - h2: 764 mm
  - Weight: 31.6 kg

Mechanical / hydraulic

Motor Type: Encapsulated water-filled submersible motors
Diameter: Ø 92 mm
Mating Dimensions: According to NEMA standard
Power Cable Included:
- 2 m for power ratings from 0.37 to 2.2 kW
- 3.6 m for power ratings from 3 to 7.5 kW

Materials and Components

Sleeve: AISI 316 stainless steel
Shaft: 'DUPLEX' stainless steel (recognized for outstanding mechanical strength, which is twice that of AISI 304/316L steel, offering corrosion resistance and torsional strength)
Casing: AISI 316

Warranty

3-Year Warranty Included in Our Standard Terms and Conditions

Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the official OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used for the project.

Official datasheet (PDF)

Lenntech datasheet mirror

Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.