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Solar Controller Works With Irrigation Pumps

October 28, 2013
By: Nate Birt, Top Producer Deputy Managing Editor google + 
WEB VariSun Mobile Unit HR

Introduced recently by Sustainable Technologies (SusTech), the VariSun VFD Controller aims to effectively use captured sunlight for improved powering of irrigation pumps. While the product is focused on California because of an approaching deadline for replacing diesel-powered motors, it may be shipped out of state, as well.

The controller is part of a solar-powered mobile unit designed and built by SusTech. It can be connected to an electrical grid or work off-grid in remote locations. The system uses DC power to control the speed of three-phase AC motors.

Depending on pump size and energy needs, SusTech can design custom solutions for growers.

For more information, call SusTech at 510-523-1125 or email

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