Eaton ZEB Series, Manual

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10/13 MN03402007Z-DE/EN
About this Manual 29
Target group 29
Abbreviations and symbols 29
Hazard warnings of material damages 30
Hazard warnings of personal injury 30
Tips 30
Further Information 30
1 Overload relays
ZEB12, ZEB32, ZEB65, ZEB150 and ZEB225
31
Foreword 31
Notes and Standards 32
2 Engineering 33
Device description 33
Current ranges of the overload relays 33
Tripping characteristics 36
– Tripping CLASS 37
– Phase failure 39
– Earth fault detection 40
– Reclosing 40
– Test of auxiliary contacts 95/96, 97/98
41
– Short circuit protection according IEC 60947-4-1
for coordination type 1 and coordination type 2 42
Safety Figures 44
– Safety functions 44
– SIL Declaration of Conformity 45
Repair and Maintenance 46
Warranty 46
Contents