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SMA SBxx00TL-21 Communication Assembly inverter
SMA SBxx00TL-21 Communication Assembly inverter

SBxx00TL-21 Communication assembly

By Julien Mawet · Solar PV Expert at Wattuneed • Updated April 2026
€426.89
Tax included
NR3-SB5GCOM30.BG1

The SMA SBxx00TL-21 Communication Assembly (ref. NR3-SB5GCOM30.BG1) is a dedicated communication module designed for SMA Sunny Boy TL-21 series inverters.

It extends the connectivity and monitoring capabilities of compatible photovoltaic installations by integrating directly into the inverter.

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SMA SBxx00TL-21 Communication Assembly – Connectivity for Sunny Boy Inverters

The SMA SBxx00TL-21 Communication Assembly is an extension module designed for SMA's Sunny Boy TL-21 inverter series. Intended for professional installers and end users who require enhanced monitoring of their solar installation, this communication assembly integrates directly into the compatible inverter to extend its network functionality.

Purpose and Benefits

In a photovoltaic installation, real-time monitoring of energy production, fault detection, and access to operational data are key operational advantages. The SBxx00TL-21 Communication Assembly addresses this need by providing a dedicated communication interface for compatible Sunny Boy inverters.

This module enables the inverter to connect to a local network or energy management systems, supporting integration into centralised monitoring environments. It is suitable for installers managing multiple installations as well as individual users who wish to track their solar production through a dedicated interface.

Compatibility and Installation

This communication assembly is specifically referenced for SMA inverters in the SBxx00TL-21 range. Prior to ordering, it is strongly recommended to verify exact compatibility with the specific inverter model by consulting SMA's official technical documentation or contacting our technical support team.

Installation must be carried out in accordance with SMA's manufacturer guidelines. For professional installers, this type of accessory supports compliance requirements and production monitoring optimisation.

Why Choose an Original SMA Communication Module?

SMA is a well-established manufacturer in the photovoltaic inverter sector, offering a range of accessories and modules designed to integrate seamlessly with their equipment. Using an original communication module ensures software and hardware compatibility with the inverter and maintains the manufacturer's warranty conditions.

  • Original SMA communication module
  • Designed for the Sunny Boy TL-21 series
  • Supports installation monitoring and supervision
  • Manufacturer reference: NR3-SB5GCOM30.BG1
  • Compatible with SMA management tools (subject to compatibility verification)

Additional Information

No detailed technical specifications are currently available for this module in our database. For questions regarding specifications, compatibility, or installation, please refer to the official SMA documentation or contact our technical support team via the Wattuneed website.

This product is available for order in France (VAT 20%) and Belgium (VAT 21%).

NR3-SB5GCOM30.BG1

Specific References

SBxx00TL-21 Communication assembly — Inverters and converters

SBxx00TL-21 Communication assembly by SMA is available in our Inverters and converters catalog.

Reference: NR3-SB5GCOM30.BG1.