Installation and removal   
5.4 Installation on a DIN rail 
  SCALANCE W778-1 / W738-1 
44  Operating Instructions, 03/2022, C79000-G8976-C450-07 
Uninstalling 
1.  Turn off the power to the device. 
2.  Disconnect all connected cables. 
3.  Pull the DIN rail slider down with a screwdriver 
. 
4.  Tilt the device forward 
 and remove the device from the DIN rail. 
 
5.  Loosen the screws of the DIN rail mounting adapter completely.