Rapid shutdown probably feels like old news at this point, but the product market is just now hitting its stride. Initially, the NEC 2017 and 2020 code changes directly favored the technology of certain module-level power electronic brands, and early versions of inverter-agnostic rapid shutdown devices that paired with stringRead More

IMO keeps racking up the UL PVRSS (Photovoltaic Rapid Shutdown System) listings, last week adding the Fimer UNO range of solar inverters from 1.2kW to 6.0kW and also the Fimer PVS range of solar inverters from 50kW to 60kW under UL1741 guidelines. Preceding this announcement was SMA and Fronius. What’sRead More

The IMO FireRaptor is the first ever NEC2017 and NEC2020 compliant module level rapid shutdown product tested and certified for AFCI interference under UL’s PVRSS certification with the Fronius PRIMO inverter range. This means FireRaptor is the first NEC 2017 & 2020 Module Level Rapid Shutdown product to be testedRead More

IMO Automation tells us its FireRaptor received UL PVRSS (Photovoltaic Rapid Shutdown System) listing on the Fronius Primo family of solar inverters under UL1741 guidelines. IMO Automation worked closely with Fronius in achieving this listing as it required the development of an additional capacitance bleed circuit to dispel stored currentRead More