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MidNite Solar Classic 250KS - Lite
250KS - Lite
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250KS - Lite
Identical to standard Classic except, No Arc Fault, No Graphics panel, LED display only, Dip switch programming and Ground Fault is included. You can use the Local app and have all the programmable capabilities of the Standard Classic with the use of your computer.
The Lite version of this controller features an LED indicator panel with Dip switches instead of the graphical display seen on the standard Classic controller. The Classic Lite also comes with the free full featured software to allow you to program, log and monitor the Classic via a PC.
150, 200 and 250V operating voltages.
12-72V battery charging standard
Expandable to 120V battery bank with PC and provided software on 250KS
Built in DC-GFP
Battery temperature sensor is included
Solar, wind and hydro MPPT modes
Ethernet, USB and RS232
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
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Morningstar Tristar MPPT TS-MPPT-30
MidNite Solar MNBRAT
Morningstar SunSaver SS-20L-24V
MidNite Solar MNGP Remote Graphics Panel
Morningstar Sun Saver Duo SSD-25RM
Morningstar Prostar MPPT PS-MPPT-40
MidNite Solar Classic 250
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