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MidNite Solar Classic 250
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The Classic MPPT Charge Controller substantially increases the flexibility, features and range currently found on MPPT controllers. The Classic is the only MPPT controller that has Arc Fault Detection, making this controller the safest controller available. With the Classic 150 ranging up to 96 amps, the Classic 200, 79 amps and the Classic 250, 63 amps, why would you need any other controller?
The lines on the graph represent the Classic output current at different Max Power Points Voltage (not VOC). To estimate the Max Power Point of your system; first you have to find out the VOC of the Photovoltaic strings connected to the Classic. For example If 5 Modules in series in one string and STC VOC rating is 36.6V, then the VOC of the string equals: 5(modules) * 36.6v(STC VOC) = 183V
The rule of thumb says that the MPP will be around 80% of the string's VOC; 183v * 0.8 = 146.4v On the graph of the Classic model you have, the X axis represents the Battery Voltage and the Y axis is the Output current. Knowing that, go to the corresponding graph and look for the a line close to your system's MPP voltage and you can then determine the max output power for your system design.
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Specifications & Documents
MidNite Solar MNBRAT
MidNite Solar Classic 250KS - Lite
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Morningstar Prostar MPPT PS-MPPT-25
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Go Power 10 Amp Solar Controller
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MidNite Solar Classic 200
Sale Price: $95.00
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