Siemens SINAMICS G120C Operating Instructions Manual page 70
Low voltage converters
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Also See for SINAMICS G120C:
- Operating instructions manual (470 pages) ,
- Compact operating instructions (92 pages) ,
- Getting started (68 pages)
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Installing
4.9 Connect the line supply, motor and braking resistor
Description
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
②
③
④
The minimum cross-section of the protective conductor
section of the line or motor feeder cable:
• Line or motor feeder cable ≤ 16 mm
⇒ Minimum cross-section of the protective conductor = cross-section of the line or motor
feeder cable
• 16 mm² < line or motor feeder cable ≤ 35 mm
⇒ Minimum cross-section of the protective conductor = 16 mm
• Line or motor feeder cable > 35 mm
⇒ Minimum cross-section of the protective conductor = ½ cross-section of the line or motor
feeder cable
68
WARNING
Protective conductor for line feeder cables
Protective conductor for converter line feeder cables
Protective conductor between PE and the control cabinet
Protective conductor for motor feeder cables
①
④
...
2
2
2
Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK
depends on the cross-
2
SINAMICS G120C Converters
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