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01/11 MN03402003Z-DE/EN
About this manual 23
Target group 23
Abbreviations and symbols 23
List of revisions 24
1 PKZM0/XTPR…BC1
motor-protective circuit-breakers 27
Foreword 27
Device overview 28
Description of device 28
– Overload protection with motor-protective
circuit-breakers 28
– Current ranges of the PKZM0/XTPR…BC1
motor-protective circuit-breakers 29
– Temperature compensation 30
– Phase failure 30
– Restarting 31
– Test function 31
2 Engineering 33
Overload monitoring of Ex e motors 33
Setup of the overcurrent protection system 33
Short-circuit protection of the motor-protective
circuit-breakers 34
Approvals 36
3 Installation 37
Installation Instructions 37
Fitting the device 37
4 Using the device 39
Settings 39
–Test 39
Contents