What is the maximum PV inverter output circuit current equal to?

The maximum PV inverter output circuit current is equal to the continuous output current rating. In a photovoltaic (PV) system, the inverter is responsible for converting the direct current (DC) produced by solar panels into alternating current (AC) for use in your home or for export to the grid.

The continuous output current rating indicates the maximum current the inverter can supply continuously without overheating or malfunctioning. This rating is crucial when sizing conductors and overcurrent protection devices to ensure safe and code-compliant installations. Since the inverter may reach its peak output during specific conditions—such as optimal sunlight—it is essential to consider the continuous rating to ensure that the system can operate effectively over extended periods without risking damage.

In contrast, the other options relate to different characteristics of the inverter's output. The short-circuit current rating would indicate the maximum current under short-circuit conditions, while the average output current refers to the typical current produced over a particular time frame, which may not accurately reflect peak or continuous usage. Peak performance output current reflects the maximum output during ideal environmental conditions but does not define the maximum current that can be sustained safely over time. Therefore, the continuous output current rating is the correct and relevant measure for understanding the maximum PV inverter output circuit current.