Webconnect module is not suitable for use in the Sunny Boy 3000/4000/5000TL-20.
The Webconnect module has not been approved for use in the Sunny Boy 3000/4000/5000TL-20 as it places different requirements on the inverter hardware.
If the Webconnect module is installed in a Sunny Boy 3000/4000/5000TL-20, this can result in a hardware defect on the communication board.
Therefore, the module cannot be used in the named inverter type.
Information on whether an inverter has an integrated Speedwire interface or can be retrofitted with a Speedwire interface can be found on the product page of the respective inverter at https://www.sma.de/service/downloads.html in the category “Solar Inverters” or “Archive”.