Siemens SINAMICS G120X 380–480 V Motor Driver Module
Key Specifications (6SL32303YE500AP0)
| Parameter | Value |
|---|---|
| Output Current | 408 A |
| Input Voltage | 380–480 V AC |
| Rated Power | 160 kW |
| Motor Type | AC Motor |
| Series | SINAMICS G120X |
| Mounting | Chassis Mount |
| Encapsulation | Box |
| Operating Temperature | 20°C to 45°C |
| IP Rating | IP20 |
| Configuration | FSG (Frame Size G) |
| EMC Class | C2 |
| Status | Active, ROHS3 Compliant |
Trade-offs for G120X Frame Size G at 160 kW
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Chassis mount required — The IP20 box encapsulation demands enclosure or cabinet installation in a controlled environment; outdoor or washdown applications are unsuitable.
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Narrow thermal window — The 20°C to 45°C operating range limits deployment to climate-controlled rooms or adequately ventilated electrical rooms.
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High current density trade-off — Delivering 408 A in chassis-mount form factor requires careful busbar sizing and shielding at the installation; the compact footprint saves panel space but increases termination complexity.
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Suffix variants indicate configuration scope — The trailing characters (AP0 vs AB0, AF0) distinguish regulatory and firmware variants; selecting the wrong suffix may affect EMC compliance (C2 vs C3) or feature availability.
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Power stage matching — The 160 kW rating suits medium-to-large pump, fan, and compressor drives; downsizing to smaller G120X frames risks thermal overload; oversizing increases cost and control complexity.
Family Comparison
| Attribute | 6SL32303YE500AP0 | 6SL32303YE501AP0 | 6SL32303YE500CP0 |
|---|---|---|---|
| Power | 160 kW | 160 kW | 160 kW |
| Current | 408 A | 408 A | 408 A |
| EMC Class | C2 | C2 | C3 |
| Series | SINAMICS | SINAMICS | SINAMICS G120X |
The 6SL32303YE500CP0 and related C3-suffix variants share identical electrical ratings but differ in EMC category (C3 allows higher conducted emissions, suitable for less sensitive environments). The 6SL32303YE501AP0 falls within the same power tier with a slightly different title formatting but equivalent specifications. All listed alternates share the same chassis-mount form factor and temperature envelope.
Engineering Verification Checklist
- Confirm input voltage range matches three-phase supply (380–480 V AC nominal).
- Verify AC motor nameplate current does not exceed 408 A continuous rating with derating factor applied for elevated ambient temperatures above 40°C.
- Assess enclosure thermal management: calculate heat dissipation and specify forced-air or liquid cooling if cabinet internal temperature may approach 45°C.
- Confirm EMC environment classification aligns with C2 rating; if operating near sensitive instrumentation, consider C3 variants or additional filtering.
- Verify chassis mounting structure accommodates Frame Size G dimensions and bolt pattern.
- Validate that downstream protective devices (overload, short-circuit) are coordinated with 408 A output rating.
- Confirm DC link capacitance and pre-charge circuit sizing for the associated Power Module.
- Review PROFIBUS/PROFINET or fieldbus interface compatibility with plant control architecture.
- Verify grounding and shielding practices for the chassis mount to meet equipment-grounding requirements at 160 kW.