Siemens SINAMICS G120X Variable Frequency Drive — 250 kW Chassis Unit
Engineering verification checklist
- Confirm input voltage range matches site supply: 380–480 V AC three-phase
- Verify output current requirement: unit rated at 644 A AC output
- Check mechanical mounting provisions — chassis mount; enclosure rated IP20
- Confirm operating temperature window: 20°C to 45°C; derate if cabinet ambient exceeds
- Validate motor type compatibility: AC motor drive; confirm drive-to-motor rating ratio
- Confirm ground-fault protection and short-circuit coordination per IEC 61800-5-2
- Verify accessories and mating connectors from Siemens G120X series catalog match drive configuration variant
- Review EMC filter and harmonics mitigation requirements for 250 kW installation
- Confirm safety function and firmware variant code from suffix matches application requirement (e.g., CP0 vs CB0)