Generate a Solar Permit Package for a design using SMA ST48

With SolarDesignTool, you can create a design from scratch and generate a full PV permit package in as little as 15 minutes.

This page contains information about the SMA ST48 inverter. To compare this to other PV inverters, click here.

DC Electrical Properties

  • Maximum Input Current 180A
  • Start Voltage 365V
  • Max DC Input Voltage 600V
  • Peak Power Tracking Voltage 300V - 480V
  • Number of MPPTs 1
  • Polarity of Ground Either
  • DC Disconnect Yes
  • DC Terminal Quantity 24
  • Includes Fuses for String Inputs No
  • Max Rating for String Fuses 20A
  • Rating of Included String Fuses not applicable
  • DC Input Wire Gauge Range 10 AWG – 6 AWG
  • Integrated DC Arc Fault Protection No

AC Electrical Properties

  • Rated Power Output 48000W
  • Compatible Utility Voltages 240V, 277V
  • Peak Efficiency 96.3% (240V)
    96.5% (277V)
  • Weighted Efficiency 96%
  • Maximum Output Current 116A (240V)
    58A (277V)
  • Max OCPD rating data not available
  • AC Disconnect Yes
  • AC Input Wire Gauge Range 6 AWG – 350 MCM
  • Sleep Consumption 0.6W
  • Maximum DC-AC Ratio data not available
  • Standby Consumption 42W

Mechanical Characteristics

  • Height 71.3in (1,810mm)
  • Width 43.3in (1,100mm)
  • Depth 39in (990mm)
  • Weight 846.6lb (384kg)
  • NEMA Enclosure Rating NEMA 3R
  • Cooling Method Forced Air

Environmental Constraints

  • Ambient Temperature Range -13°F - 113°F (-25°C - 45°C)

Warranties and Compliances

  • Compliances UL 1741, IEEE 929
  • CSI Listed Yes

This web page is not the manufacturer's official data sheet and is not endorsed by the manufacturer in any way. For an official data sheet, please go to SMA's website.