Sunny Boy 3800

The Sunny Boy 3800 is built to the same design as the award winner. Both devices are fitted with OptiCool and a die-cast Aluminum housing. This guarantees the best yields at high ambient temperatures.


  • Efficiency up to 95.6 %
  • OptiCool cooling system


  • Feeding of nominal power up to an ambient temperature of 45° C
  • For indoor and outdoor installations


  • Integrated DC circuit breaker Electronic Solar Switch (ESS)
  • Worldwide SMA Service including Service Line
  • Comprehensive SMA Warranty program
Input (DC) 3800
Max. DC-voltage 500 V
Max. input current 20.0 A
Quantity MPP-Trackers 1
Output (AC)  
Max. AC-power 3800 W
Nominal AC-voltage 220 V - 240 V
AC-grid frequency 50 Hz / 60 Hz
Max. Efficiency 95.60%
Euro-eta 94.70%
Protection Device  
Integrated DC-Circuit breaker ESS  
General Data  
Operating temperature range -25° C - +60 ° C
Topology low frequency Transformer
Cooling concept OptiCool
Mounting location: inside / outside (IP65) yes / yes
LCD-Display yes
Interface: RS485/remote wireless optional / optional