Eaton ZB12/XTOB BC1 Series, Руководство пользователя

Страница: 35 / 103

31
03/15 MN03407004Z-DE/EN
About This Manual 33
Target group 33
Abbreviations and symbols 33
List of revisions 34
1 ZB12/XTOB…BC1 and ZB32/XTOB…CC1
overload relays
37
Foreword 37
Overview of the devices 38
Description of device 38
– Overload protection with current
transformer-operated overload relay 38
– Current ranges of the overload relays 40
– Temperature compensation 41
– Phase failure 42
– Re-closing 43
– Test function
44
Safety analysis 45
2 Engineering 47
Overload monitoring of motors in the Ex e area 47
Adjusting the overload current protection 47
– Short-circuit protection of the overload relays 48
Approvals 51
3 Installation 53
Installation instructions 53
Fitting the device 55
– Mounting a sealable shroud 57
4 Using the device 59
Settings 59
– Reset 59
– Test 60
Contents