What is the function of RSD?

RSD is a disconnection device installed between PV strings and SolaX inverter PV input strings. Functions are as below:

1. Once there is Grid power outage, the RSD will switch off the PV input to SolaX inverter, the inverter then will stop and shut down immediately.

2. Add one Emergency Stop Button between RSD and AC wire, it will make it possible to shutdown the inverter under emergency.