Generate a Solar Permit Package for a design using Fronius Primo 12.5-1 208/240

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This page contains information about the Fronius Primo 12.5-1 208/240 inverter. To compare this to other PV inverters, click here.

DC Electrical Properties

  • Maximum Input Current 51A
  • Start Voltage 80V
  • Max DC Input Voltage 1000V
  • Peak Power Tracking Voltage 260V - 800V
  • Number of MPPTs 2
  • MPPTs Can Be Paralleled No
  • Maximum Current per MPPT Channel 33A, 18A
  • Operating Voltage Range 80V - 1000V
  • Polarity of Ground Floating
  • DC Disconnect Yes
  • DC Terminal Quantity 6
  • Includes Fuses for String Inputs No
  • Max Rating for String Fuses data not available
  • Rating of Included String Fuses not applicable
  • DC Input Wire Gauge Range 14 AWG – 6 AWG
  • Integrated DC Arc Fault Protection Yes

AC Electrical Properties

  • Rated Power Output 12500W
  • Compatible Utility Voltages 208V, 240V
  • Peak Efficiency 96.7%
  • Weighted Efficiency 96%
  • Maximum Output Current 60.1A (208V)
    52.1A (240V)
  • Max OCPD rating 80A (208V)
    70A (240V)
  • AC Disconnect Yes
  • AC Input Wire Gauge Range 12 AWG – 2 AWG
  • Sleep Consumption data not available
  • Maximum DC-AC Ratio 1.20
  • Standby Consumption data not available

Mechanical Characteristics

  • Height 28.5in (724mm)
  • Width 20.1in (510mm)
  • Depth 8.9in (226mm)
  • Weight 82.5lb (37.4kg)
  • NEMA Enclosure Rating NEMA 4X
  • Cooling Method Forced Air

Environmental Constraints

  • Ambient Temperature Range -40°F - 140°F (-40°C - 60°C)

Warranties and Compliances

  • Compliances UL 1741, UL 1998, UL 1699B, IEEE 1547
  • 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 Fronius's website.