Design a PV System with the Fronius CL33.3-Delta

With SolarDesignTool you can design a PV system and panel layout in minutes! Handles multiple inverter technologies, performs climate-specific electrical calculations, and more!

This page contains information about the Fronius CL33.3-Delta inverter. To compare this to other PV inverters, click here.

DC Electrical Properties

  • Maximum Input Current 90.8A
  • Start Voltage 390V
  • Max DC Input Voltage 600V
  • Peak Power Tracking Voltage 230V - 500V
  • 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

AC Electrical Properties

  • Rated Power Output 33300W
  • Compatible Utility Voltages 208V, 240V
  • Peak Efficiency 95.9%
  • Weighted Efficiency 94.5% (208V)
    95% (240V)
  • Maximum Output Current 92.4A (208V)
    80.1A (240V)
  • AC Disconnect Yes
  • AC Input Wire Gauge Range data not available
  • Sleep Consumption 15W
  • Standby Consumption data not available

Mechanical Characteristics

  • Height 1,945.6mm (76.6in)
  • Width 1,104.9mm (43.5in)
  • Depth 797.6mm (31.4in)
  • Weight 299.8kg (661lb)
  • CSI-Approved Built-in Meter No
  • NEMA Enclosure Rating NEMA 3R
  • Cooling Method Forced Air

Environmental Constraints

  • Ambient Temperature Range -25°C - 50°C (-13°F - 122°F)

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.