Pump Control

Pump Control
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Solar Pump Controllers

These solid-state controllers will protect the pump from over-voltage and over-current conditions and will provide current boosting in low sunlight conditions, providing both protection and maximum water delivery.

Pump Controllers optimize your solar water pumping system by translating the current and voltage available from your photovoltaic panels into a combination better matched to the pump requirements. With an optional Float Switch installed, the controller will automatically stop pumping when the storage reservoir is full. One of these controllers is required for PV array-direct pumping systems with the submersible pump.

The controller is not waterproof, so it must be mounted in a dry location or an appropriate weather-tight enclosure. For use with a 24 VDC nominal PV array (two 36-cell 12 VDC nominal modules wired in series—see Solar Modules). Maximum input voltage is 45 VDC, and max output is 28 VDC and 5 A.

A single common 60-cell module can also be used with either controller, and will produce the 4A max current that the pump draws with only about 50% of full sunlight. This will increase the amount of water delivered per day by increasing water output early and late in the day or in cloudy weather.


 
 
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Price $165.00

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