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SMA SB3800-US-12 > 3800 Watt 240 Volt Inverter > Arc Fault Protection
SMA SB3800-US-12 - 3800 Watt 240 Volt Inverter - Arc Fault Protection

This product has been discontinued & is replaced by:
SMA Sunny Boy 3.8-US > 3800 Watt 208/240 VAC Single Phase Grid-Tie Inverter - SB3.8-1SP-US-40
Warranty: 10 Years

Product Code: SMA-SUNNY-BOY-3800US-12

Description Datasheet

SMA 3800 Watt 240 VAC Grid-Tie Inverter

This Sunny Boy model includes arc fault protection, a new safety feature that is a requirement of the NEC 2011.


Model SB3800-US-12
Series Sunny Boy
Manufacturer SMA


Type Central Grid-Tie
Operating Temperature Range -25° C - 45° C
Enclosure NEMA 3R
Cooling OptiCool
Dimensions (W x H x D) 18" x 14" x 9"
Weight 97 lbs
Shipping Method Freight

Input (DC)

Recommended PV Power (STC) 4750 W
Max Voltage 600 V
Peak Power Tracking Voltage 250 V - 480 V
Min Start Voltage 285 V
Max Current 18 A

Output (AC)

Maximum Output Power 3800 W
Nominal AC Voltage 240 V
Voltage Range 211 - 264 V
Frequency 60.0 Hz
Max Current 16 A


Data Sheet SMA SunnyBoy 3000-4000
Warranty SMA Solar


High Yields

  • Maximum efficiency 97.3%
  • The best tracking efficiency with OptiTrac MPP tracking
  • OptiCool active temperature management


  • Galvanic isolation
  • Integrated DC switch-disconnect


  • Slim enclosure mounts in between wall studs
  • Plug-in grounding with GFDI
  • Reduced weight
  • Quick and easy configuration thanks to Quick Module


  • Modern graphic display
  • Bluetooth technology

Unmatched Applications Flexibility

  • Full-rated power available up to 50°C ambient temperature.
  • Dual input sections with parallel option, with independent high-speed MPPTs, optimize energy harvesting from multiple arrays oriented in different directions.
  • Wide MPPT operating range: 90 to 580VDC

Field-Proven Reliability

  • IP65 (NEMA 4) rated enclosure withstands the harshest environmental conditions.
  • Front-mounted heat sink resists contamination, enhancing cooling and increasing reliability and long-term efficiency.
  • Grid-connected operation according to international standards, UL1741/IEEE1547 & CSA-C22.2 N.107.1-01
  • Ten-year warranty, optionally extendable to fifteen and twenty years.

Detailed Description

The Sunny Boys have been repeatedly acclaimed - and are constantly developing. Our new Generation come with innovative technologies such as OptiTrac and H5-Topology. These make the device even more efficient - and therefore ensuring a very good solar yield.

Sunny Boy 3000-US, 3800-US and 4000-US: UL certified, reliable system managers

The Sunny Boy 3000-US, 3800-US and 4000-US inverters are specially designed for countries that require UL certification. Automatic grid voltage detection and an integrated DC disconnect switch simplifies installation, ensuring safety as well as saving time. These models feature galvanic isolation and can be used with all types of modules-crystalline as well as thin-film. The die-cast aluminum enclosure, with the OptiCool active temperature management system, guarantees the highest yields possible and a long service life, even under extreme conditions. The Sunny Boy 3800-US is designed for projects with a current limit of 16A.

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