Introduction
The Maxima SHF5A-1500W is a 1500W DC solar surface pump delivering up to 22.1 m3/h flow and 26m head, designed for direct solar operation with no battery or grid connection required.
General Description
The SHF5A-1500W operates at 60–380 Vmp / 450 VOC with a maximum input current of 10A DC, accepting 2–10 pcs of 340W panels in series (best 4–6 pcs). It delivers a maximum flow of 22.1 m3/h at a maximum head of 26m. The external PYS-1500W controller is IP65-rated while the pump carries IP54 protection. The pump features a high-efficiency BLDC motor with MPPT and vector control, MPPT efficiency max 99%, soft start operation, and a 2″ × 2″ outlet. The pump unit weighs 11.7 kg with the controller at 1.8 kg separately. The pump end features a copper impeller and cast iron housing. CE and ISO 9001:2015 certified.
Wide Voltage Input
Voltage input of 60–380 Vmp / 450 VOC accepts 2–10 pcs of 340W solar panels in series, best 4–6 pcs.
IP65 External Controller
The separate PYS-1500W controller carries IP65 ingress protection for outdoor field installation.
Full System Protection
Dry run, lost phase, stall, overload, over-current, over-voltage and over-temperature protection.




