ABB REF615 Relay, Before energizing, the necessary setting need to be conducted. Explained by Ye Kyaw: Asst. Manager of APQ | REF615 Relay Setting | By APQ | Facebook
![how to enter setting to ref 615 manually | ABB RELYS | كيفيه ادخال قيم الضبط لجهاز حمايه REF 615 - YouTube how to enter setting to ref 615 manually | ABB RELYS | كيفيه ادخال قيم الضبط لجهاز حمايه REF 615 - YouTube](https://i.ytimg.com/vi/FnsTnRWqX58/maxresdefault.jpg)
how to enter setting to ref 615 manually | ABB RELYS | كيفيه ادخال قيم الضبط لجهاز حمايه REF 615 - YouTube
![REM 615 Relay| REF 615 Relay| How Relay Works| what is Feeder Protection | Motor Protection - YouTube REM 615 Relay| REF 615 Relay| How Relay Works| what is Feeder Protection | Motor Protection - YouTube](https://i.ytimg.com/vi/y2IGfAcEhWI/sddefault.jpg)