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Rocksolar 3.75HP 60-450V Solar DC Brushless water transfer Pump

Sale price $1,399.99 Regular price $1,999.99
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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

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

Datasheet & User Manual

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