BECKHOFF CX9020 - Manual (Page 45)

Decommissioning
After pulling the terminal release of the power supply unit, the block can be removed carefully from the top­
hat rail.
Attention
Do not use force to open the device!
Opening the module housing by force would destroy it. The devices may only be opened by
Beckhoff service personnel.
Disposal
The device must be fully dismantled in order to dispose of it.
Electronic parts must be disposed of in accordance with national electronics scrap regulations.
CX9020 45 Version 1.1