4.6 Minimum cross-section of the protective conductors
Overvie
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A high leakage current 󹪞ows through the protective conductor in converter operation. For
reliable touch protection during operation, the protective conductor of the converter must not
be interrupted. 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 driv
e 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.
Application planning
4.6î™ Minimum cross-section of the protective conductors
SINAMICS S200 PROFINET servo drive system with SIMOTICS S-1FL2
86 Operating Instructions, 11/2023, FW V6.3, A5E51646752B AB
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