
Datasheet summary
Pedrollo 6PSR
PDF datasheet mirror for Pedrollo 6PSR (Pedrollo Pumps). Verify with OEM before design.
Summary
Product identification
The 6PSR is a series of 6" rewindable, water-filled submersible electric motors.
Operating limits
- Liquid temperature: up to +30 °C
- Depth of use: up to 150 m below water level
- Starts per hour: 20 at regular intervals
- Minimum cooling flow/speed: 8 cm/s
- Continuous running duty: S1
- Maximum ambient temperature: 35 °C
Electrical
- Motor type: 2-pole electric motor
- Frequency: 50 Hz (n ≈ 2900 min⁻¹)
- Voltage: Three-phase 400 V
- Power range: 5.5 to 37 kW
- Insulation: Class Y
- Protection rating: IP 68
- Power cable included:
- 3 m for power ratings from 5.5 kW to 18.5 kW
- 5 m for powers from 22 kW to 37 kW
- Available upon request:
- Different voltage requirements
- 60 Hz frequency
- Motors with double power cable for star/triangle (Y/∆) starting
Nominal Current (400 V / 50 Hz)
- 6PSR / 7.5: 13.0 A
- 6PSR / 10: 16.0 A
- 6PSR / 12.5: 20.0 A
- 6PSR / 15: 23.0 A
- 6PSR / 17.5: 27.5 A
- 6PSR / 20: 30.0 A
- 6PSR / 25: 38.0 A
- 6PSR / 30: 45.0 A
- 6PSR / 35: 53.0 A
- 6PSR / 40: 60.5 A
- 6PSR / 50: 75.5 A
Mechanical / hydraulic
- Motor construction: Rewindable submersible motors, water filled
- Sleeve: AISI 304 stainless steel
- Motor mounts and base: Cast iron G25
- Shaft: AISI 431 stainless steel
- Coupling dimensions: In compliance with NEMA standards
- Dimensions:
- Ø 145 mm
- h2: 73 mm
Performance Data (Three-phase 400 V / 50 Hz)
| Type | Rated power P2 (kW) | Rated power P2 (HP) | Axial load (N) | Revolutions (min⁻¹) | Yield (η %) | Power factor (Cos φ) | Rated torque (Nm) | h2 (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|
| 6PSR / 7.5 | 5.5 | 7.5 | 20000 | 2850 | 78% | 0.85 | 19 | 620 | 53.0 |
| 6PSR / 10 | 7.5 | 10 | 2855 | 79% | 0.85 | 25 | 670 | 58.0 | |
| 6PSR / 12.5 | 9.2 | 12.5 | 2860 | 80% | 0.84 | 31 | 700 | 62.0 | |
| 6PSR / 15 | 11 | 15 | 2865 | 81% | 0.85 | 37 | 750 | 68.0 | |
| 6PSR /17.5 | 13 | 17.5 | 2860 | 81.5% | 0.85 | 43 | 780 | 71.0 | |
| 6PSR /20 | 15 | 20 | 2865 | 83% | 0.86 | 49 | 840 | 78.0 | |
| 6PSR / 25 | 18.5 | 25 | 2840 | 82% | 0.85 | 61 | 890 | 84.0 | |
| 6PSR / 30 | 22 | 30 | 28000 | 2860 | 82.5% | 0.86 | 74 | 975 | 94.0 |
| 6PSR / 35 | 26 | 35 | 2860 | 83.5% | 0.85 | 87 | 1075 | 104.0 | |
| 6PSR / 40 | 30 | 40 | 2860 | 83.5% | 0.86 | 103 | 1215 | 122.0 | |
| 6PSR / 50 | 37 | 50 | 2860 | 83.5% | 0.86 | 125 | 1295 | 130.0 |
See the official PDF for exact tabulated values for starting current and starting/rated torque ratios.
Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the original OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used on the project.
Official datasheet (PDF)
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.