Siemens SINAMICS G120X IP20 132 kW Motor Drive Module

Cabinet Placement and System Integration

The 6SL32303YE480UB0 is a chassis-mount inverter rated for 380–480 V AC three-phase input and 338 A output, suiting it for motor control in water treatment, HVAC, and heavy industrial fan or pump applications requiring enclosure-rated installation. The module ships as an open chassis (IP20) and depends on a parent enclosure for environmental protection; panel builders specify NEMA 1 or better when required by site conditions.

Engineering Verification Checklist

• Confirm three-phase supply voltage at terminals U1/V1/W1 is within 380–480 V AC 50/60 Hz before applying line power
• Verify output current rating of 338 A against motor nameplate full-load amperage and any derating for elevated ambient temperature
• Inspect chassis-mount alignment and torque specifications for mounting hardware (typically M8 bolts per Siemens frame-size requirements)
• Confirm motor leads land on output terminals U2/V2/W2 with correct phase rotation; incorrect rotation damages loads
• Verify control wiring against G120X safety function requirements if installed in a safety-related system (SIL or PL rating per IEC 62061 / ISO 13849)
• Record firmware version via the BOP-2 or SINAMICS Startdrive interface and retain in as-built documentation
• Confirm protective bonding conductor cross-section matches local electrical code for fault currents consistent with 132 kW drive rating
• Validate that operating temperature band (20°C–45°C) is not exceeded at the intended installation location; add enclosure ventilation or cooling if necessary
• Perform no-load voltage and frequency checks before connecting motor, following Siemens commissioning manual procedure steps for initial parameterization

Alternate Selection Guidance

The following alternatives share identical electrical ratings (338 A output, 380–480 V AC, 132 kW) and belong to the same SINAMICS G120X series. They differ only in suffix designation, which controls options such as integrated filter type (UF versus C2) or communication variant. The suffix codes for 6SL32303YE48x variants are:

• UB0 / UP0 / UF0 — FSF (Frame Size F) with basic operator panel; UP0 adds PROFIdrive, UF0 indicates filter variant per suffix digit
• AB0 / AP0 / AF0 — FSF C2 variant (category C2 EMC compliance); same rating but different EMC filter configuration
• 1UB0 / 1UP0 / 1UF0 — Frame size F variant with extended specification suffix per Siemens ordering convention; check actual dimension sheet for mechanical compatibility

All alternatives are ROHS3 compliant and chassis-mount. The panel builder must select based on EMC compliance class required at the installation site and any onboard communication protocol needed for the control system.