4" DC Plastic Impeller Solar Pump
High-Flow Deep Well
4-inch DC solar pump with plastic impellers offering higher flow rates for medium-depth wells. Excellent price-performance ratio for standard clean water applications. (Representative models shown from 85+ available configurations. Full catalog available upon request.)
Find The Right Model
Filter by your required flow and head to find matching pump models.
Model Specifications (20 models)
| Model | Power | Voltage | Max Flow | Max Head | Outlet | Panels | |
|---|---|---|---|---|---|---|---|
| 4PSC3.0-30-24-300 | 300W | 24V | 3 m³/h | 30 m | 1¼" | 2 × 200W | |
| 4PSC3.0-40-48-300 | 300W | 48V | 3 m³/h | 40 m | 1¼" | 2 × 200W | |
| 4PSC3.0-55-48-400 | 400W | 48V | 3 m³/h | 55 m | 1¼" | 2 × 250W | |
| 4PSC3.5-50-48-400 | 400W | 48V | 3.5 m³/h | 50 m | 1¼" | 2 × 250W | |
| 4PSC3.5-70-72-600 | 600W | 72V | 3.5 m³/h | 70 m | 1¼" | 3 × 250W | |
| 4PSC3.5-95-96-750 | 750W | 96V | 3.5 m³/h | 95 m | 1¼" | 4 × 250W | |
| 4PSC4.5-60-72-600 | 600W | 72V | 4.5 m³/h | 60 m | 1½" | 3 × 250W | |
| 4PSC4.5-85-96-750 | 750W | 96V | 4.5 m³/h | 85 m | 1½" | 4 × 250W | |
| 4PSC4.5-105-96-1100 | 1100W | 96V | 4.5 m³/h | 105 m | 1½" | 4 × 330W |
Model Details
- Power
- 400W
- Voltage
- 48V
- Max Flow
- 3 m³/h
- Max Head
- 55 m
- Outlet
- 1¼"
- Panels
- 2 × 250W
- Diameter
- 4"
- Impeller
- plastic
Performance Curve
Theoretical H-Q curve. Actual performance depends on installation and operating conditions.
Key Features
Typical Applications
Domestic Water Supply
Farm & Ranch Water
Irrigation Systems
Water Storage Tanks
Resort & Hotel Water
Frequently Asked Questions
What is the maximum well depth this pump can handle?
This series can handle up to 160m total dynamic head. The actual well depth depends on the water level and required pressure at the surface.
Can it run without batteries?
Yes, all our solar pumps can run directly from solar panels through the MPPT controller without batteries. For AC/DC models, grid power can be used as backup.
How many solar panels do I need?
Panel requirements vary by model from 2 × 200W to 8 × 330W. Check the specifications table for your selected model.
What is the warranty period?
Standard warranty is 2-3 years depending on the model and market. Extended warranty options are available for volume orders.
Can I get OEM branding?
Yes, ALFAGRAND offers full OEM/ODM service including custom branding, packaging, cable length, and voltage configurations.
Interested in the 4" DC Plastic Impeller Solar Pump?
Contact our sales team for pricing, technical specifications, and OEM options.