Moeller ZEV Series - Motor-protective system ZEV

10/06 AWB2300-1433GB
1
About this manual 3
List of revisions 3
Target group 3
Abbreviations and symbols 3
1 Motor-protective system ZEV 5
Preface 5
System overview 6
Unit description 8
– Current monitoring sensors 8
– Setting of the tripping CLASS 8
– Thermistor monitoring 10
– Thermistor protection 11
– Short-circuit monitoring of the thermistor circuit 12
– Phase failure 14
– Earth fault monitoring 14
2 Configuration 15
Monitoring overload of motors in the EEx e area 15
Setup of the overcurrent protection system 15
Approvals 16
3 Installation 17
Notes on installation 17
Mounting the devices 19
– ZEV and ZEV-XSW-25 to 145 19
– ZEV and ZEV-XSW-820 21
– Connections 25
Removing devices 26
– ZEV and DIN rail 26
– Connecting cable 26
4 Operating the devices 27
Settings 27
Contents