Design a PV System with the Fronius CL44.4-Delta

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This page contains information about the Fronius CL44.4-Delta inverter. To compare this to other PV inverters, click here.

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DC Electrical Properties

  • Maximum Input Current 259A
  • Start Voltage 240V
  • Max DC Input Voltage 600V
  • Peak Power Tracking Voltage 230V - 500V
  • Number of MPPTs 1
  • Polarity of Ground Either
  • DC Disconnect Yes
  • Number of String Inputs 3
  • 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 data not available
  • Integrated DC Arc Fault Protection No

AC Electrical Properties

  • Rated Power Output 40300W (208V)
    44400W (240V)
  • Compatible Utility Voltages 208V, 240V
  • Peak Efficiency 95.9%
  • Weighted Efficiency 94.5% (208V)
    95% (240V)
  • Maximum Output Current 123.2A (208V)
    106.8A (240V)
  • Max OCPD rating data not available
  • AC Disconnect Yes
  • AC Input Wire Gauge Range data not available
  • Sleep Consumption 5W
  • Standby Consumption data not available

Mechanical Characteristics

  • Height 76.6in (1,945mm)
  • Width 43.5in (1,105mm)
  • Depth 31.4in (797mm)
  • Weight 720.9lb (327kg)
  • CSI-Approved Built-in Meter No
  • NEMA Enclosure Rating NEMA 3R
  • Cooling Method Forced Air

Environmental Constraints

  • Ambient Temperature Range -4°F - 122°F (-20°C - 50°C)

Warranties and Compliances

  • Compliances UL 1741, 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.