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All information per manufacturer, see attached Technical Data Sheet for more information. <br />M215L ENPHASE MICROINVERTER 245 WATT TRINA SOLAR MODULES: TSM-245PA05.08 <br />INPUT DATA (DC): <br />Recomended input power (STC) ...............190-260W Maximum power (Pmax) ......................245 W <br />Maximum input DC Voltage ......................45V Open circuit voltage (Voc) ...................37.3 V <br />Max. input current 10.5A Short circuit current (Isc) ....................8.47 A <br />Maximum system voltage ...................600 V <br />OUTPUT DATA (AC) <br />Nominal output current.............................0.9 Amps <br />Maximum units per 20A branch circuit .....17 (single phase) <br />Compliance ..............................................UL1741/IEEE1547, FCC Part 15 Class B <br />WIRiNG CALCULATION: <br />Inverter maximum output current X 1.25 = (BAac) and maximum AC overcurrent amperage rating <br />0.90A X 1.25 = 1.125 A <br />1.125 A X 13 (# of inverters in branch) = 14.625 A 1.125 A X 13 (# of inverters in branch) = 14.625 A 1.125 A X 16 (# of inverters in branch) = 18 A <br />Breaker rating for circuit: 15 amps Breaker rating for circuit: 15 amps Breaker rating for circuit: 20 amps <br />#10THWN-2 wire = 40A (per 310.16 & 334.80) X 0.71 ambient temperature correction factor (Table 310.16) <br />= 28.4A <br />28.4 X 0.80 fill factor (per table 310.15(B)(2)(a) 4-6 current carrying conductors) = 22.72A , <br />result > or = to BAac (14.625 A or 18 A) and less than the entry for 310.16 for runs greater than 3% VD.. <br />MICROINVERTERS COMBINED BRANCH CALCULATION <br />2(14.625) A + 18 A = 47.25 A <br />#6 awg THWN-2 wire = 75A (per 310.16) X 0.82 ambient temperature correction factor (Table 310.16) <br />= 61.5A <br />result > or = to BAac (47.25) and less than the entry for 310.16 for runs greater than 3% VD. <br />BREAKER FOR SUB-PANEL IN SERVICE PANEL: 50 AMPS <br />PLANS PREPARED BY: <br />led-E HUGHES <br />Sheet <br />Date: 10-15-13 <br />Scale: N.T.S.E-1.3 <br />_,%ERVANTES <br />1 1 1