Technical Data SMA Solar Technology AG
44 SB11_12_17-IEN094131 Installation Guide
Efficiency curves
Sunny Boy 1200
Communication interfaces SB 1100 SB 1200 SB 1700
RS485 (galvanically isolated) optional
Radio optional
Electronic Solar Switch (ESS)
Electrical lifetime (in the event of a short
circuit, with a nominal current of 30 A)
Min. 50 switching processes
Maximum switching current 30 A
Maximum switching voltage 800 V
Maximum PV power approx. 10 kW
Protection rating when plugged IP65
Protection rating when unplugged IP21
Efficiency SB1100 SB 1200 SB1700
Max. efficiency η
max.
93 % 92.1 % 93.5 %
European efficiency η
euro
91.6 % 90.7 % 91.8 %
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