Siemens SCALANCE X-300 Series Compact Operating Instructions page 40

Device description
4.5 C-PLUG
Position of the C-PLUG
Removing the C-PLUG
Inserting the C-PLUG
B
40
A
In devices with a compact housing, the C-PLUG is located behind
the sealing screw on the rear of the device. To remove the sealing
screw, use a coin or a wide blade screwdriver.
1. Turn off the power to the device.
2. Remove the sealing screw on the rear of the device with a coin
or a wide blade screwdriver.
3. Insert a screwdriver between the front edge of the C-PLUG
(position A) and the slot and release the C-PLUG.
4. Remove the C-PLUG and close the housing again with the
sealing screw.
1. Turn off the power to the device.
2. Remove the sealing screw on the rear of the device with a coin
or a wide blade screwdriver.
3. The housing of the C-PLUG has a protruding ridge on the long
side (position B). The slot has a groove at this position. Insert the
C-PLUG correctly oriented into the slot.
4. Close the housing again with the sealing screw.
Compact Operating Instructions, 11/2019, A5E00982643-18
SCALANCE X-300