Transformer protection
The 7SR242 is used as a protection, control and monitoring relay for two winding transformers of all vector groups, primary configurations/connections and earthing connections.
![Transformer Protection – Reyrolle 7SR242 Transformer Protection – Reyrolle 7SR242](https://assets.new.siemens.com/siemens/assets/api/uuid:3b39df96-9ea2-42d5-9958-eae84c3ba7ac/width:100/quality:low/Transformer-Protection-Reyrolle-7SR242.jpg)
The 7SR242 is used as a protection, control and monitoring relay for two winding transformers of all vector groups, primary configurations/connections and earthing connections.