Connecting
4.1 Permissible line supplies
Power Module PM240P-2
Hardware Installation Manual, 06/2020, A5E37800827C AD
39
4.1.4
Requirements for the protective conductor
Overview
A high leakage current flows through the protective conductor in converter operation. The
protective conductor of the converter must not be interrupted for safe touch protection in
converter operation.
This primarily results in requirements for the minimum conductor cross-section of the
protective conductor.
No restriction applies to the length of the protective conductor for touch protection. However,
short protective conductors are advantageous for EMC-compliant installation.
Description
WARNING
Electric shock due to interrupted protective conductor
The drive components conduct a high leakage current via the protective conductor.
Touching conductive parts when the protective conductor is interrupted can result in death
or serious injury.
•
Comply with the requirements for the protective conductor.
①
Protective conductor for line feeder cables
②
Protective conductor for converter line feeder cables
③
Protective conductor between PE and the control cabinet
④
Protective conductor for motor feeder cables
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