Siemens Simantic ET200SP System Manual page 70

Installation
4.8 Mounting further accessories for motor starters
Procedure
Proceed as follows to mount the infeed bus cover on a SIMATIC ET 200SP motor starter:
1. Press the cover onto the opening of the BaseUnit on the right until it audibly engages.
The cover can be removed again using 2 fingers and without tools.
70
Distributed I/O system
System Manual, 12/2016, A5E03576849-AG