Eaton zeb XTOE Handbuch Seite 27

Contents
0 About this Manual ..................................................................... 25
0.1 Target group................................................................................. 25
0.2 List of revisions ............................................................................ 25
0.3 Abbreviations and symbols .......................................................... 25
0.4 Writing conventions ..................................................................... 26
0.4.1 Hazard warnings of material damages ......................................... 26
0.4.2 Hazard warnings of personal injury .............................................. 26
0.4.3 Tips............................................................................................... 26
0.5 Further Information ...................................................................... 26
1 Overload relays ZEB12, ZEB32, ZEB65, ZEB150, ZEB225 ....... 27
1.1 Foreword...................................................................................... 27
1.2 Notes and Standards.................................................................... 27
2 Engineering................................................................................. 28
2.1 Device description........................................................................ 28
2.2 Current ranges of the overload relays .......................................... 28
2.3 Tripping characteristics ................................................................ 30
2.3.1 Tripping CLASS ............................................................................ 31
2.3.2 Phase failure................................................................................. 32
2.3.3 Earth fault detection..................................................................... 33
2.3.4 Reclosing...................................................................................... 33
2.3.5 Test of auxiliary contacts 95/96, 97/98......................................... 34
2.3.6 Short circuit protection according IEC 60947-4-1 for
coordination type 1 and coordination type 2 ................................ 34
2.4 Approvals ..................................................................................... 36
2.5 Safety Figures .............................................................................. 36
2.5.1 Safety functions ........................................................................... 36
2.5.2 SIL Declaration of Conformity ...................................................... 36
2.6 Repair and Maintenance .............................................................. 37
2.7 Warranty....................................................................................... 38
ZEB (XTOE, C440) 11/16 MN03402007Z-DE/EN www.eaton.com
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