UL 3741: Photovoltaic Hazard Control and the 1000V System
This is part 2 of Sean White’s explanation of UL 3741, also known as photovoltaic hazard control and otherwise known as rapid shutdown. The UL 3741 listing came out in 2020 and it takes time for manufacturers to come up with and list products and systems.
Surprisingly, a few months ago SMA came out with a […]