Siemens SINAMICS G120C Operating Instructions Manual page 81

• For converters with rated input currents > 160 A referred to LO, use a Siemens modular RCCB
device (MRCD type B 5SV8111-4KK) with a current transformer (5SV870.-2K), a circuit
breaker (series 3VA1) and a trip element (3VA9988-0BL30).
Figure 4-32
• A dedicated RCD is used for every converter.
• The motor cables are shorter than 50 m (164 ft) shielded, or 100 m (328 ft) unshielded.
Additional information about motor cables:
SINAMICS G120C Converters
Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK
MRCD
Maximum permissible motor cable length (Page 80)
4.9 Connect the line supply, motor and braking resistor
Installing
79