SIRIUS 3RM1 motor starter 
Manual, 11/2013, A5E0345285095020A/RS-AB/002 
5 
1  Introduction................................................................................................................................... 9 
1.1  Responsibility of the user for system configuration and functionality .......................................... 9 
1.2  Required basic knowledge........................................................................................................ 9 
1.3  Scope .................................................................................................................................... 10 
1.4  Definition ................................................................................................................................ 10 
1.5  Conformity.............................................................................................................................. 10 
1.6  Further documentation ........................................................................................................... 11 
1.7  Service&Support .................................................................................................................... 11 
1.8  DataMatrix code ..................................................................................................................... 14 
1.9  Correction sheet ..................................................................................................................... 15 
2  Product-specific safety information ................................................................................................ 17 
2.1  General safety notes .............................................................................................................. 17 
2.2  Safety information for hazardous areas .................................................................................. 17 
2.3  Safety instructions for safety-related applications .................................................................... 18 
2.4  Intended use .......................................................................................................................... 19 
2.5  Current information about operational safety........................................................................... 20 
2.6  Declaration of conformity ........................................................................................................ 20 
3  Description ................................................................................................................................. 21 
3.1  Overview ................................................................................................................................ 21 
3.2  Applications............................................................................................................................ 22 
3.3  Hybrid technology................................................................................................................... 23 
3.4  Device versions ...................................................................................................................... 24 
3.5  Functions ............................................................................................................................... 27 
3.5.1  Switching the 3RM1 motor starter under normal operating conditions ..................................... 27 
3.5.1.1  Direct-on-line starter ............................................................................................................... 27 
3.5.1.2  Reversing starter .................................................................................................................... 28 
3.5.2  Overload protection ................................................................................................................ 29 
3.5.2.1  Protective functions ................................................................................................................ 29 
3.5.2.2  Thermal calculation method (motor memory module) .............................................................. 30 
3.5.2.3  ATEX-certified motor overload protection in the case of 3RM11/3RM13 Failsafe..................... 32 
3.5.3  Shutdown on malfunction ....................................................................................................... 35 
3.5.4  Safety-related shutdown with 3RM11/3RM13 Failsafe motor starters ...................................... 36 
3.5.5  Carrying out the function test .................................................................................................. 39 
3.6  Accessories and order number scheme .................................................................................. 41 
3.6.1  Overview of all device components ......................................................................................... 41