Rocksolar 3.75HP 60-450V Solar DC Brushless Water Transfer Pump

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