Eaton ZE/XTOM Series, Manual

Page: 27 / 64

23
09/15 MN03407003Z-DE/EN
Motorschutzrelais ZE/XTOM…
Überlastüberwachung von Ex e- Motoren
3
ZE/XTOM… motor-protective relay Overload
monitoring of Ex e motors
25
Anhang/Appendix 45
About This Manual 25
Target group 25
Abbreviations and symbols 25
List of revisions 26
1 ZE/XTOM overload relays
27
Foreword 27
Device overview 28
Description of device 28
– Overload protection relays with bimetallic
release 28
– Current ranges for ZE/XTOM relays 29
– Temperature compensation 30
– Phase failure 30
– Re-closing 32
– Test function
32
– Safety analysis 33
2 Projection 35
Overload monitoring of motors in the Ex e area 35
Setup of the overcurrent protection system 35
Short-circuit protection of the overload relay 37
Approvals 38
3 Installation 39
Installation instructions 39
Fitting the device 41
Contents