Rocksolar 3.75HP 60-450V Solar DC Brushless water transfer Pump
Pickup available at USA Fulfillment Center
Usually ready in 24 hours
Talk to Real Experts Anytime
Talk to Real Experts Anytime
Lifetime tech support from our in-house specialists
Hassle Free Warranty
Hassle Free Warranty
Effortless Warranty for Your Ease.
Unbeatable Value, Guaranteed
Unbeatable Value, Guaranteed
Find it cheaper elsewhere? We'll match it.
Speak To a Solar Specialist
solar industry experience
10,000+ American
customers
days return policy
Warranty
Description
Description
ROCKSOLAR 3.75HP 60–450V Solar DC Brushless Water Transfer Pump (Pump Only)
What's included: Pump + controller, user manual, warranty card — panels and mounting hardware not included
Key specs:
- Motor: 3.75HP DC brushless | Rated power: 2,800W | Input: 60–450V DC (optimal: 300–380V)
- Max flow rate: 268 GPM (at minimum head) | Max head: 82 ft
- Inlet/outlet: 3" diameter
- Compatible solar array: 10 × 440W panels (4,400W, sold separately)
Built for: Large farms, commercial irrigation, large livestock operations, orchards, multi-acre crop watering, high-volume off-grid water transfer
Key features:
- 268 GPM max flow — highest in the entire DC transfer pump lineup, moves massive volumes in a short time
- 2,800W brushless motor with wide 60–450V input (optimal 300–380V) = designed for large 10-panel string configurations
- 3" commercial-grade inlet/outlet — handles high-volume throughput that would overwhelm smaller 1" or 2" pumps
- MPPT controller — auto-adjusts to available sunlight, stops and restarts without manual intervention
- Float switch / pressure switch compatible — automates fill and shutoff for large tanks and troughs
- Dry-run auto protection — shuts off if water supply is interrupted
- Proven in demanding ranch, orchard, and multi-acre crop irrigation — customer-confirmed reliable performance across long watering days
SPECIFICATIONS
SPECIFICATIONS
| Pump Specification | Details |
|---|---|
| Product | ROCKSOLAR 2800W Solar Brushless Transfer Water Pump |
| Motor Type | High-Efficiency Brushless DC Motor (BLDC) |
| Controller | External with Maximum Power Point Tracking (MPPT) Technology |
| Power | 2800W |
| Voltage Range | 60-450V DC |
| Max Head | 82 feet |
| Max Flow Rate | 268 GPM |
| Pump Diameter | 2 inches |
| Pump Outlet | 2 inches |
| Protections | Dry Run, Overload, Overvoltage, Low Voltage |
| Ingress Protection | IP54 Rated (Pump), IP65 Rated (Controller) |
| System Installation Distance | Controller to Motor: Up to 80 meters |
| Warranty | 5 Years |
INCLUDES
INCLUDES
Datasheet & User Manual
Datasheet & User Manual
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
SHOP OUR BEST DEALS
View All CollectionsFind Your Perfect Solar Solution
Answer a few questions to get personalized product recommendations








