500W 48V DC Solar Water Pump

$746.03

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500 watt solar water pump with external DC controller has stainless steel impeller/screw, maximum head 45~109m (145~355ft), maximum flow 449~1321 gallons per hour, 3 inch/4 inch inlet diameter and 0.75 inch/1.25 inch outlet diameter. 48V DC solar water motor pump can be used for deep well, small fountain, large pond or water tank.

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Delivery date: 6-12 days

SKU: ATO-SWP-48V500

Max. Flow & Max. Head *

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Overview
Specs
Manual
FAQ
Reviews

Overview

500w solar motor pump with DC controller, 48V working voltage, 449~1321 gph max. flow, 45~109m max. head.

500W 48V DC solar water pump performance curves:
Max. Flow: 1.7m³/h, Max. Head: 109m, Model: 3DSS1.7-109-48-500

Max. Flow: 5.0m³/h, Max. Head: 45m, Model: 4DSC5-45-48-500

Solar motor pump installation drawing:

Solar motor pump wiring diagram:

Specs

Basics	SKU	ATO-SWP-48V500
	Shipping weight	15kg
	Cable length	2m
	Package included	1 * Solar water pump 1 * DC controller 1 * Stainless steel float switch (water level sensor for the tank) 1 * Pump outlet joint connector 1 * Splice kit for cable join 1 * Splice kit for waterproof 1 * User manual
	Warranty	2 years
Solar water pump features	Power	500W
	Voltage	48V DC
	Max. flow *	1.7m³/h (449 gph, American system)	5.0m³/h (1321 gph, American system)
	Max. head *	109m (355ft)	45m (145ft)
	Length	70cm	50cm
	Inlet diameter	3 inch	4 inch
	Outlet diameter	0.75 inch	1.25 inch
	Structure	Stainless steel single screw	Single-suction stainless steel impeller
	Model	3DSS1.7-109-48-500	4DSC5-45-48-500
	Internal motor	Brushless DC motor
	Speed	4000rpm
	Material of shaft	304 stainless steel
	Material of outlet/connector/oil cylinder	Stainless steel
	No water protection function	The water pump stops working automatically when there is no water in the well, and it will automatically restart working 30 minutes later.
	Required open circuit voltage (VOC) of solar panel	＜100V DC
	Required power of solar panel	≥1.3*pump power
	Efficiency	45%
Controller features	Model	DF-48
	Best MPPT voltage range	60-90V DC
	Max. input current	15A
	Working temperature	-15~+60℃ (5~140℉)
	Display	LED display can show power, voltage, current and speed value.
	Functions	Automatic charging (for battery) Variable frequency Automatic power ON/OFF Soft start High voltage/low voltage/over-current/high temperature protection
	Protection class	IP65

Manual

Solar Water Pump External DC Cotroller User Manual

FAQ

What are the protection functions of solar water pumps and DC controllers?

Over-current protection
When the solar powered pool pump model is mismatched, or UVW three-phase in short-circuit connection.
Phase protection
UVW three-phase is in an open circuit.
Stall protection
When the solar submersible water pump model is mismatch. Pump extension cord is too long. Solar water pump power is too low. Pump bearing is stuck.
Low voltage protection
The input voltage of the solar powered water pump is too low.
High voltage protection
The input voltage is too high.
Dry-run protection
Not all of the air in the solar water well pump is exhausted. There is no water in the deep well/pond.
High-temperature protection
The temperature of the DC controller MCU is more than 90℃.
Reverse connection protection
The wiring is wrong.

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Existing reviews

Great 500W solar water pump

It's had pretty much constant use since I installed it. I have been using this 500W 48V DC solar water pump for five months and have not found any problems so far. The accessories inside the package are very complete.

From: Orlov Watson | Date: 7/6/2025 7:44 PM