SMA SB-3.8-US Inverter

SMA SB-3.8-US Inverter
Grid-tie 3800 watt inverter


SMA SB-3.8-US Sunny Boy 3800 Watt Grid-tie Inverter

SMA's latest generation of grid-tie inverters features the well established Secure Power Supply (SPS), integrated disconnect, mutiple MPPT tracking inputs, and enhanced AFCI technology.  The SPS allows up to 3800 watts of loads to be powered during utility outages, while the sun is shining on the panels, with no battery bank required.  Multiple MPPT inputs allow for a variety of string lengths and panel combinations.  The enhanced AFCI technology reduces false tripping while improving sensitivity to real arcs.

The SB series are string inverters that utilize arrays of solar panels wired for high voltage DC power delivery.

  • Max usable power: 4000 watts
  • Number of MPPT tracking inputs: 2
  • Max DC voltage: 600 volts
  • Rated MPP voltage range: 195 - 480 volts
  • MPPT operating range: 100 - 550 volts
  • Minimum DC voltage/starting voltage: 100/125 volts
  • Max operating input current per MPPT : 10 amps
  • Max short circuit current per MPPT: 18 amps
  • Transformerless
  • Ground fault monitoring
  • DC reverse polarity protection
  • AC short circuit protection 

**Electrical specs listed here are for 120/240 VAC split phase applications, see product spec sheet for 208 VAC 3-phase specs**

Dimensions: 21.1" x 28.5" x 7.8"
Weighs 57 lbs
UL and CSA listed
10 year warranty



Available Download Links

Additional Information

Additional Information

model SB3.8-1SP-US-40