How to Size an ACDB and DCDB by System Size (1kW to 100kW)
Most ACDB and DCDB problems on rooftop solar sites are not caused by bad components. They are caused by boxes that were never sized for the system they were installed on. A 32A MCB on a 10kW three-phase inverter, a 600V DC SPD on a string that reaches 640V on…