UL 62109: Power Converters for Use in PV Systems


This one-day course provides a summary for clients already familiar with UL 1741 looking to move into certification to the new UL 62109 Standard. UL 62109 is derived from the existing IEC 62109 Standard. This training course reviews the scope of the UL 62109 standard, the overall requirements of the standard such as construction requirements and testing, and covers the national deviations established in the creation of UL 62109 relative to IEC 62109. Its content will benefit photovoltaic power inverter/converter manufacturers interested in globally accepted certification, manufacturers planning on transitioning from UL 1741 to UL 62109 in the future, and manufacturers who want to understand the differences between IEC 62109 and UL 62109.


Upon completion of this course, you should be able to:

  • Describe the reasons leading to UL harmonizing with the IEC 62109 standards
  • Explain how the transition will affect existing certified products and new product submittals
  • Identify the requirements of the standard for construction and testing
  • Identify the differences between IEC 62109 and UL 62109
  • Explain how the combination of UL and IEC requirements could help in international certification
  • Describe the certification strategies

Target Audience

  • Existing PV inverter listed customers
  • New power inverter\converter customers interested in global market and/or complying with the new UL 62109 PV inverter standard
  • Design Engineers
  • Design and Engineering Managers
  • Compliance Staff
  • Project Associates
  • New Hire Engineers

Continuing Education Units (CEUs)

  • 0.7 IACET CEUs; contact your local jurisdiction for CEU recognition.
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Time Requirement


Instructor-Led 1 day

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