SolarEdge P960 – 960 Watt Commercial Power Optimizer. MC4 Input Connectors, MC4 Compatible Output Connectors, for two 72 cell solar panels, 1000 Max Vdc. 2:1 Panel:Optimizer, 960W/125V – Commercial Inverters only – 208V/480V. The SE-P960 is designed for commercial compliance with NEC 2017 AFCI and PV RSS requirements. Each optimizer includes two module DC inputs operating in parallel. Max system voltage of 1000V, max input voltage of 60VDC.