Fronius Multi-String Rapid Shutdown Box, (RSDB-4,240,152)

Fronius Multi-String Rapid Shutdown Box, (RSDB-4,240,152)

MPN: IA9073
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    Fronius Multi-String Rapid Shutdown Box, (RSDB-4,240,152)
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    Fronius Multi-String Rapid Shutdown Box 600-Volt

    The Fronius Multi-String Rapid Shutdown Box having string arraingement of 4 inputs & 2 outputs provides the ultimate compliant solution while enhancing rooftop and firefighter safety. With the Fronius Rapid Shutdown Box, Fronius offers a reliable and easy to install solution for all Fronius SnapINverters in systems up to 600 V.

    Directly connected to the inverter through the same conduit as the DC homeruns, the Fronius solution minimizes the number of components needed providing ease of installation. No additional power supply is needed, reducing overall system cost and streamlining installation. Rapid Shutdown is triggered whenever AC is not present and the inverter rapidly discharges the DC lines, allowing for a seamless code compliant solution to the 2014 NEC requirement for rapid shutdown functionality for PV systems on buildings.



    • Fronius Primo
    • Fronius Symo  (Excluding 15.0-3 208) 



    • Built for severe outdoor conditions
    • Robust metal housing
    • Rated for rooftop install
    • Mounting bracket included
    • Can be mounted, per NEC 2014, on the roof or racking within 10 feet from the array or in the attic 5 feet within the array
    • Input and output terminals are spring loaded for fast and easy connection without special tools



    Max Nos. of Strings 1 to 4 inputs / 1 or 2 outputs (each output is independent)
    Max. output current 25 A per channel
    Max. input current 12.5 A per input
    Max. voltage  600 V
    Power supply DC powered by the array (max. 3W)
    Dimensions (W x H x D) 11 x 7 x 4 in.
    Weight 8.6 lbs.
    Temperature range -40° - 140° F (-40° - +60° C)
    DC input wire size AWG 10 to AWG 12
    Max. communication wire size AWG 14 (rated for max. system voltage)


    MPN: IA9073

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