120W 24V DC Solar Water Pump
24V DC solar water pump with external DC controller has stainless steel impeller, 3 inch inlet diameter, 0.75 inch outlet diameter, maximum head 56m (180ft), maximum flow 317 gallons per hour (1200 lph). 120 watt solar well pump can be used for water tank, water gardens, small fountain or pool.
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120W solar water pump with DC controller, 24V working voltage, 317 gph max. flow, 56m max. head.
||1 * Solar water pump with 2m cable
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
|Solar water pump features
||1.2m3/h (317 gph, American system)
||Stainless steel single screw
||Brushless DC motor
|Material of shaft
||304 stainless steel
|Material of outlet/connector/oil cylinder
|No water protection function
||The 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
|Required power of solar panel
|Best MPPT voltage range
|Max. input current
||LED display can show power, voltage, current and speed value.
||Automatic charging (for battery)
Automatic power ON/OFF
High voltage/low voltage/over-current/high temperature protection
120W 24V DC solar water pump performance curves (see light blue line):
Solar water pump installation drawing:
Solar water pump wiring diagram:
Tips: The effect of high altitude on solar water pumping system
When the altitude exceeds 2000m, the use of universal low-voltage electrical appliances will be subject to certain restrictions. In the range of 5000m above sea level, the air pressure is reduced by about 1.07kPa for every 100m elevation. At an altitude of 1000m or above, the temperature drops by an average of 0.6 degrees for every 100m. There are two main effects on the electrical products after the pressure is reduced:
- The decrease in air pressure will cause the insulation strength of the air medium to decrease, resulting in a decrease in the insulation performance of electrical products.
- The air pressure is reduced and the air density is reduced, which will reduce the heat dissipation capability of the electrical products.
In view of the above two points, high-altitude areas require correction of the dielectric strength related indicators of general-purpose low-voltage electrical products, such as power frequency withstand voltage and impact withstand voltage, electric clearance and creepage distance, etc. The rated capacity of electrical products is also required to be modified.
The solar water pumping system is applied in high-altitude areas. For power distribution equipment such as inverter, combiner boxes and control cabinets in solar water pumping systems, the switching elements (DC circuit breakers) used in them are greatly affected by altitude. It is necessary to correct the dielectric strength related indicators. For example, reduce the capacity of input power supply voltage and rated capacity to suit high altitudes.