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Table of contents
SIRIUS Innovations
18
System Manual, 01/2011, A8E56203870002-03
8.9
Accessories............................................................................................................................... 729
8.9.1
Accessories............................................................................................................................... 729
8.9.2
Terminal support for stand-alone assembly.............................................................................. 729
8.9.2.1 Description ................................................................................................................................ 729
8.9.2.2 Mounting.................................................................................................................................... 730
8.9.3
Sealable cover .......................................................................................................................... 732
8.9.3.1 Description ................................................................................................................................ 732
8.9.3.2 Mounting.................................................................................................................................... 732
8.10
Technical data........................................................................................................................... 733
8.10.1 Performance features of current monitoring relays................................................................... 733
8.10.1.1 General data ............................................................................................................................. 733
8.10.1.2 Monitoring functions .................................................................................................................. 734
8.10.1.3 Equipment ................................................................................................................................. 735
8.10.1.4 Configuration of load feeders.................................................................................................... 736
8.10.1.5 Features of current monitoring relays ....................................................................................... 737
8.10.1.6 Combinations with 3RT20 contactor ......................................................................................... 737
8.10.2 3RR21 Basic analog setting current monitoring relay............................................................... 738
8.10.2.1 General technical data .............................................................................................................. 738
8.10.2.2 Main circuit ................................................................................................................................ 740
8.10.2.3 Connection for main circuit........................................................................................................ 741
8.10.2.4 Auxiliary circuit .......................................................................................................................... 742
8.10.2.5 Connecting the auxiliary circuit ................................................................................................. 743
8.10.2.6 Short-circuit protection .............................................................................................................. 743
8.10.3 3RR22 Standard digital setting current monitoring relay .......................................................... 744
8.10.3.1 General technical data .............................................................................................................. 744
8.10.3.2 Main circuit ................................................................................................................................ 746
8.10.3.3 Conductor cross-sections main circuit ...................................................................................... 747
8.10.3.4 Auxiliary circuit .......................................................................................................................... 748
8.10.3.5 Conductor cross sections, auxiliary circuit................................................................................ 749
8.10.3.6 Short-circuit protection .............................................................................................................. 749
8.11
Dimension drawings (dimensions in mm) ................................................................................. 750
8.11.1 Dimension drawings for 3RR21 Basic analog setting current monitoring relay........................ 750
8.11.2 Dimension drawings for 3RR22 Standard digital setting current monitoring relay ................... 752
8.12
Circuit diagrams ........................................................................................................................ 754
A
Appendix A ............................................................................................................................................ 757
A.1
Types of coordination................................................................................................................ 757
A.2
More information ....................................................................................................................... 758
A.3
Correction sheet........................................................................................................................ 759
Glossary ................................................................................................................................................ 761
Index...................................................................................................................................................... 775
Summary of Contents for SIRIUS 3RH Series
Page 1: ...SIRIUS Innovations System Manual 01 2011 Industrial Controls Answers for industry ...
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