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Section 690.12 of the US national electric code (NEC) has provisions that require rapid shutdown at module level for photovoltaic power plants. This Rapid Shutdown function can be implemented into a Smart Junction Box a more complex system compared to a traditional junction box which only has by-pass diodes, as it also measures voltage, current and temperature in each module. It also provides other functionalities including arc detection, security and performance monitoring, anti-theft protection, and remote diagnostics. Data sent on existing DC cabling via Powerline Communication (PLC) guarantees compliance to requirements including those set by the SunSpec Alliance.

With our range of high-performance STM32 Microcontrollers, flexible multi-protocol power line communication (PLMs),wireless connectivity solutions and Schottky by-pass diodes we can help developers design high-efficiency Smart Junction Boxes that meet safety and fire regulation requirements.

Smart junction box block diagram

All tools & software

    • Part number
      Status
      Description
      Type
      Supplier

      ST MCU Finder

      Active

      STM32 and STM8 product finder for mobile devices and desktops

      STM32 Utilities ST
      ST MCU Finder

      Description:

      STM32 and STM8 product finder for mobile devices and desktops
    • Part number
      Status
      Description
      Type
      Supplier

      ST Diode Finder

      Active

      Diode product finder application for Android and iOS

      Finders Apps ST
      ST Diode Finder

      Description:

      Diode product finder application for Android and iOS

eDesignSuite

Converter

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