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Enphase Energy ‘applauds’ rapid shutdown standard for solar in Brazil

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Wed, Mar 19, 2025, 5:10 AM 1 min read

Enphase Energy (ENPH) commended the introduction of Brazil’s new fire safety standard, Brazilian Association of Technical Standards NBR 17193, which outlines stringent recommendations like rapid shutdown functionality requirements for solar installations in all buildings. The new standard emphasizes the importance of safety in solar energy systems, particularly focusing on reducing fire hazards associated with high-voltage direct current energy components like centralized “string” inverters. Enphase’s microinverter technology intelligently converts low-voltage DC from solar panels into safe low-voltage alternating current right at the panel, inherently aligning with the new safety standard objectives by eliminating the need for high-voltage DC in residential and commercial solar installations. Additionally, all Enphase microinverters support rapid shutdown functionality, a critical safety feature that allows for the immediate de-energization of the system in emergency situations. The new safety standard recommends that all solar installations in Brazil have rapid shutdown functionality before connecting to the grid. This capability not only helps protect property, people, and emergency personnel but also aligns with global best practices for solar system safety. Brazil installers and distributors can learn more about the standard on the Enphase website.