The Fronius Rapid Shutdown Box Duo and Quattro generation has been specially developed for the demands of the North American market and is a reliable, easy-to-install solution for quickly disabling PV generators. Compliant with NEC 2014 (690.12) and NEC 2017 (Array Disconnect), the Rapid Shutdown Box is suitable for all North American SnapINverters up to a maximum system voltage of 600 V. As the Box is connected directly to the inverter and can be mounted conveniently under the module, it needs neither additional components nor a dedicated power supply. These advantages of our solution mean that the installation is simplified and system costs are slashed.
