Siemens SIRIUS 3RT Series System Manual page 664

SIRIUS 3RA28 function modules for mounting on 3RT2 contactors
7.6 Mounting
Step
5
6
7
664
Operating instruction
Push the interlock slide down with a
screwdriver until it engages.
Insert the coded module connector into
the slot in the correct position from
above until the module connector
engages in the locking mechanism.
To complete the process, lock the
module connector.
Figure
System Manual, 01/2011, A8E56203870002-03
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