Siemens 340 Manual page 6

Table of contents
3.6.2 Accessories ............................................................................................................................42
3.6.2.1 Infeed system ..........................................................................................................................42
3.6.2.2 Sealable cover ........................................................................................................................44
3.6.2.3 Wall fixture ..............................................................................................................................44
3.6.2.4 Device connectors ...................................................................................................................45
3.6.2.5 Terminals ................................................................................................................................48
3.6.2.6 Device identification label ........................................................................................................48
3.6.3 Order number scheme for SIRIUS 3RM1 motor starter ............................................................49
4 Configuration .............................................................................................................................. 51
4.1 Rated operational current and derating ....................................................................................51
4.2 Ambient conditions ..................................................................................................................56
4.2.1 Application environment ..........................................................................................................56
4.2.2 Ambient temperature ...............................................................................................................56
4.2.3 Mounting position ....................................................................................................................56
4.2.4 Grounding measures ...............................................................................................................56
4.2.5 Permissible operating voltage ..................................................................................................57
4.2.6 Minimum load current ..............................................................................................................57
4.3 Load feeders - protection against short circuit ..........................................................................58
4.3.1 Protection against short circuit .................................................................................................58
4.3.2 Configuration of load feeders ...................................................................................................58
4.3.3 Configuration of a load feeder with 3RM1 motor starter in compliance with IEC .......................58
4.3.3.1 Fuseless design ......................................................................................................................59
4.3.3.2 Fused design ..........................................................................................................................61
4.3.4 Configuration of a load feeder with 3RM1 motor starter in compliance with UL .........................62
4.3.4.1 Function according to UL 508 ..................................................................................................62
4.3.4.2 SCCR short circuit current ratings............................................................................................62
4.3.4.3 Fuses and circuit breakers ......................................................................................................63
4.4 Infeed for the main circuit ........................................................................................................64
4.4.1 Infeed options .........................................................................................................................64
4.4.2 3RM19 3-phase infeed system ................................................................................................65
4.5 Configuration with device connectors ......................................................................................67
4.5.1 Configuration with device connectors ......................................................................................67
4.6 Examples/applications .............................................................................................................67
4.6.1 Operation with the EMERGENCY-STOP function ....................................................................67
5 Mounting .................................................................................................................................... 71
5.1 Warning notices ......................................................................................................................71
5.2 Mounting the devices on a level surface ..................................................................................72
5.3 Disassembling the devices from a level surface .......................................................................73
5.4 Mounting the devices on a standard mounting rail ...................................................................74
5.5 Disassembling devices from a standard mounting rail ..............................................................75
5.6 Mounting the devices with device connectors on a standard mounting rail ...............................76
5.7 Disassembling the devices with device connectors from a standard mounting rail ....................78
5.8 Mounting the devices with device connectors on a wall ............................................................81
5.9 Disassembling the devices with device connectors from a wall ................................................83
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SIRIUS 3RM1 motor starter
Manual, 11/2013, A5E0345285095020A/RS-AB/002