The power of the sun is more efficiently transformed to the motor running conditions so as the sun goes down the motor slows down instead of stalling. Conversely, as the sun comes up the motor starts running much earlier instead of staying stalled for hours when it could be running. This translates into more running time of the motor where it spends a lot of time working instead of stalled doing no work. These products are used in solar direct pumping applications. They can achieve 30 - 90 percent increase in your water pumped than connecting the motor directly to the solar panels. The 90 V units can operate 12, 24, 36 and 48 volt pumps from the popular thin film panels. These thin film panels have excellent blue sensitivity giving good pumping performance even on cloudy days. Electrical Specifications: - Nominal Voltage (V) _____________________ 12 / 24 - Nominal PV Input (V) ____________________ 12 / 24 - Maximum PV Input (V) ___________________ 60 - Maximum Output Voltage (V) ______________ 15 / 30 - Maximum Output (A) _____________________ 10 - Maximum Output (A) short term - 10 sec ______15 - Efficiency ______________________________ >94% Mechanical Specifications: - Weight: __________________ less than 1 lb. - Size: ____________________ 4.5" X 2.1" X 2.1" resembling a junction box with mounting feet Note: To allow for changing the fuse the cover can be removed. To make the unit waterproof, apply a small amount of silicon around the units lid.
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