Fronius 4,240,154 Rapid Shutdown Box Quattro For Galvo/Primo/Symo Inverters, Up to 4 DC String (Replacing RSB Multi)
For NEC 2014 code (690.12) and NEC 2017 (Array Disconnect) compliance
For all Fronius Galvo, Fronius Primo, Fronius Symo (excluding the Fronius Symo 15.0-3 208) in systems up to 600 V
Note: For automatic rapid shutdown functionality, the Primo 10-15kW must have a recent software version. Power stage SW2 seen in the inverter display “info” menu under “versions” must be 0.6.34.4 or greater (as shipped with serial number 27384701 or greater).