Siemens SIMATIC LS120 Instructions De Montage page 18

4. Stand the device up and swivel it around its axis to access the snap fasteners.
5. Press in the snap fasteners with a small screwdriver.
6. Pull the rear panel away to the rear, gripping it by the carrying handle.
6
2. Unscrew three screws
(The screw on the left is not present on
devices dating from before 2/99)
3. Unscrew two screws
LS120 Installation Instructions
C79000-K7076-C010-01