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Sunny Boy 3800

Sunny Boy 3800

The Sunny Boy 3800 is your answer for a robust built, highest efficiency and universally applicable string inverter with galvanic isolation. It is suitable for all module types due to its array PV grounding. It offers highest yield with a top efficiency of 95.6%, OptiTrack MPP tracking for better control, and temperature management functions in extreme conditions of rough weather and humidity. It offers a long service life span.

  • SUNCLIX DC plug-in system
  • Suitable for outdoor and indoor installation
  • Optitrack MPP tracking
  • Higher efficiency up to 95.6%
  • Active temperature management through Opticool
  • Integrated grid management
Input (DC)
Max. DC power (@ cos ϕ= 1)4 040 W
Max. input voltage500 V
MPP voltage range / rated input voltage200 V – 400 V / 200 V
Min. input voltage / start input voltage200 V / 250 V
Max. input current20 A
Max. input current per string16 A
Number of independent MPP inputs / strings per MPP input1 / 3**
output (AC)
Rated power (@ 230 V, 50 Hz)3 800 W
Max. apparent AC power3 800 VA
Nominal AC voltage / range220 V,230 V,240 V 180 V – 265 V
AC power frequency / range50 Hz, 60 Hz / -4.5 Hz … +4.5 Hz
Rated power frequency / rated grid voltage50 Hz / 230 V
Max. output current18 A
Power factor at rated power1
Displacement power factor, adjustable0.8 overexcited ... 0.8 underexcited
Feed-in phases / connection phases1/1
Max. efficiency / European efficiency95.6 % / 94.7 %
General data
Dimensions (W / H / D)450 / 352 / 236 mm
(17.7 / 13.9 / 9.3 inches)
Weight38 kg / 83.6 lb
Operating temperature range-25°C … +60°C
(-13°F … +140°F)
Noise emission (typical)42 dB(A)
Self-consumption (at night)0.1 W
TopologyLF transformer
Cooling conceptOptiCool
Degree of protection (as per IEC 60529)IP65
Degree of protection of connection area (as per IEC 60529)IP65
Climatic category (as per IEC 60721-3-4)4K4H
Maximum permissible value for relative humidity (non-condensing)100%
  • Blutooth Piggy Back
  • Data module with RS485 interface
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