Figure 10-3-2 SCA36/50/60KTL Derating Curve of Grid Voltage
10.3.4 PV Voltage Derating Graph
For CPS SCA50/60KTL-DO/US-480, when the DC input voltage is
lower than 480/540V or higher than 850V, the inverter output power
(Pn) will begin to derate, as shown in Figure 10-4 and 10-5: