This specific string is widely documented in third-party forums and legacy Schneider manuals as a "master code" that works on relays with default security settings or older firmware (pre-2008). On modern or custom-secured relays, this code may fail, requiring a site-specific key generated from the relay’s serial number.
: If you have lost your code or need a new one for a fresh installation, you should contact Schneider Electric Support with your proof of license. authorization code sft2841 120
Have a specific Sepam model and the 120 code isn't working? Leave your relay’s full reference (e.g., Sepam 20 S20, Sepam 40 T40) and firmware version in the comments, and we will help you find the correct authorization method. This specific string is widely documented in third-party