Siemens SIRIUS 3UG4 - Table of Contents

Table of contents
1 Introduction........................................................................................................................................... 9
1.1 Siemens Industry Online Support ....................................................................................... 10
1.2 DataMatrix code ................................................................................................................ 12
1.3 Siemens Industry Online Support app................................................................................. 13
1.4 Support Request ................................................................................................................ 14
2 Safety information............................................................................................................................... 15
2.1 Standards .......................................................................................................................... 15
2.2 Product-speci󹪝c safety information..................................................................................... 16
2.3 Recycling and disposal ....................................................................................................... 17
2.4 Security information .......................................................................................................... 18
2.5 Approvals, test certi󹪝cates, characteristics .......................................................................... 19
3 System overview.................................................................................................................................. 21
3.1 Product description ............................................................................................................ 21
3.2 Application planning.......................................................................................................... 22
3.3 Connection methods.......................................................................................................... 23
3.3.1 Screw-type connection....................................................................................................... 23
3.3.2 Spring-loaded connection .................................................................................................. 25
3.3.3 Device replacement by means of removable terminals........................................................ 30
3.4 Mounting / removal ........................................................................................................... 32
3.4.1 Mounting 3RR2 current monitoring relay............................................................................ 32
3.4.2 Mounting the 3UG4 monitoring relay................................................................................. 37
3.4.3 Installing the 3UG458. monitoring relay. ............................................................................ 38
3.5 Overview of the functions.................................................................................................. 41
3.5.1 3RR2 current monitoring relays .......................................................................................... 41
3.5.2 3UG45 / 3UG46 monitoring relays...................................................................................... 41
3.6 Menu-based operation....................................................................................................... 44
4 3RR2 current monitoring relays........................................................................................................... 49
4.1 Product description ............................................................................................................ 49
4.2 Application areas ............................................................................................................... 51
4.3 Performance features of current monitoring relays ............................................................. 52
4.3.1 General data...................................................................................................................... 52
4.3.2 Properties .......................................................................................................................... 53
4.3.3 Con󹪝guration of load feeders ............................................................................................. 54
4.3.4 Combinations with 3RT20 contactor................................................................................... 54
4.4 3RR21 current monitoring relays ........................................................................................ 55
SIRIUS 3UG4 / 3RR2 monitoring relay
Equipment Manual, 07/2021, NEB927043002000/RS-AD/005 3