CPS SCA Series - Altitude Derating Graph

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10.3.2 Altitude Derating Graph
When the altitude is higher than 9842.5ft (3000m), the rated output power
(Pn) of the inverter will decrease, as shown in Figure 10-2:
Pin/Pn
3000 4000
Altitude(m)
100%
70%
-30%/km
Figure 10-2 SCA25/50/60KTL-DO/US Derating Curve with High Altitude