Siemens SIRIUS 3RT2 - Page 52

Mounting
7.4 Disassembly
SIRIUS 3RA28 function modules for mounting on 3RT2 contactors
52 Manual, 02/2019, A5E03656507620A/RS-AD/005
③
Press the screwdriver towards the contactor.
④
Push the interlock slide up with a screwdriver. It is not possible to unlock from below.
⑤
Pull the basic module and the two coupling modules toward you and away from the contactors.