Siemens SIRIUS 3RT2 - Default Chapter; Table of Contents

SIRIUS 3RA28 function modules for mounting on 3RT2 contactors
Manual, 02/2019, A5E03656507620A/RS-AD/005
3
Table of contents
1 Introduction ............................................................................................................................................. 5
1.1 Responsibility of the user for system configuration and functionality ....................................... 5
1.2 Purpose of the manual .............................................................................................................. 5
1.3 Required basic knowledge ........................................................................................................ 6
1.4 Scope of the manual ................................................................................................................. 6
1.5 Siemens Industry Online Support ............................................................................................. 7
1.6 Further documentation .............................................................................................................. 8
1.7 DataMatrix code ........................................................................................................................ 9
1.8 Siemens Industry Online Support app .................................................................................... 10
1.9 Recycling and disposal ........................................................................................................... 11
1.10 Support Request ..................................................................................................................... 11
2 Standards ............................................................................................................................................. 13
3 Product description ............................................................................................................................... 15
3.1 Device versions ....................................................................................................................... 17
3.2 Performance features ............................................................................................................. 19
3.3 Applications ............................................................................................................................. 20
3.3.1 Function modules for direct-on-line start ................................................................................ 20
3.3.2 Function modules for star-delta (wye-delta) start ................................................................... 21
3.4 3RA28 function modules ......................................................................................................... 24
4 Product combinations ............................................................................................................................ 25
5 Functions .............................................................................................................................................. 27
5.1 Overvoltage protection ............................................................................................................ 27
5.2 Time-delayed switching of contactors ..................................................................................... 27
5.2.1 Response delay ...................................................................................................................... 27
5.2.2 OFF-delay with control signal ................................................................................................. 29
5.2.3 OFF-delay without control signal ............................................................................................ 31
5.2.4 Star-delta (wye-delta) function ................................................................................................ 32
6 Configuration ........................................................................................................................................ 33
6.1 SIRIUS system configurator ................................................................................................... 33
6.2 Configuration ........................................................................................................................... 34
7 Mounting ............................................................................................................................................... 39
7.1 Mounting instructions .............................................................................................................. 39
7.2 Minimum clearances and mounting position .......................................................................... 39