We have a small job with (18) 72 cell modules (3.3kW), the site has some shading issues and we will be using enphase inverters. I am weighing using two branch circuits (one with 10, one with 8) of M190's.
Or, using one branch circuit of (9) D380's. D380's will cost less, BUT are being discontinued and the enphase tech guy I spoke with said that they are slightly less reliable than the M190's. What have the wrenches experienced with enphase D380's? Thanks, Dave David Palumbo Independent Power LLC 462 Solar Way Drive Hyde Park, VT 05655 www.independentpowerllc.com NABCEP Certified PV Installer Vermont Solar Partner 23 Years Experience, (802) 888-7194
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