
Technical Data SMA Solar Technology AG
44 SB25_30-IEN092520 Installation Guide
Efficiency curves
Sunny Boy 2500
Electronic Solar Switch (ESS)
Electrical service life (in case of a short circuit, with a
nominal current of 30 A)
min. 50 switching processes
Maximum switching current 30A
Maximum switching voltage 800 V
Maximum PV power approx. 10 kW
Protection rating when plugged IP65
Protection rating when unplugged IP21
Efficiency SB 2500 SB 3000
Max. efficiency η
max
94.1 % 95 %
European efficiency η
euro
93.2 % 93.6 %
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