Santerno ES791/2 Control Board | Elettronica Santerno | SUNWAY Inverter PCB | Original Replacement Module optimizers power distribution panels

power distribution panels

Cooling is active and regulated

Connect to SMA Sunny Portal or local monitoring software

RS485 terminator

Santerno ES791/2 Control Board | Elettronica Santerno | SUNWAY Inverter PCB | Original Replacement Module optimizers power distribution panelsThe Santerno ES791 2 is a genuine control and communication board developed by Elettronica Santerno (Italy) for the SUNWAY series of grid tied photovoltaic inverters. This board manages internal control logic, protection feedback, and inverter communication functions, ensuring stable and efficient operation in commercial and industrial PV systems. Designed and manufactured to industrial standards, the ES791 2 provides high reliability and long service