Siemens 6SL32203YE421UP0 — SINAMICS G120X Variable Frequency Drive
Overview
The 6SL32203YE421UP0 is a chassis-mount variable frequency drive in the SINAMICS G120X series, rated for 75 kW AC motors on a 380–480 V supply. Variable frequency drives of this class are typically installed in cabinet enclosures on the supply side of an industrial motor branch, providing speed and torque control for HVAC, pump, and fan loads. The unit delivers up to 196 A output current and is packaged as an open-box (non-enclosed) chassis module intended for integration into a parent enclosure that provides IP20 or better protection. RoHS3 compliance is listed; the product status is Active.
Technical Specifications
Electrical and Performance Ratings
| Parameter | Value |
|---|---|
| Output Current | 196 A |
| Motor Type | AC Motor |
| Voltage — Supply | 380–480 V |
| Series | SINAMICS |
| For Use With | G120X Series |
| Mounting Type | Chassis Mount |
Mechanical, Thermal, and Compliance
| Parameter | Value |
|---|---|
| Encapsulation | Box |
| Operating Temperature | 20°C ~ 45°C |
| Product Status | Active |
| RoHS | ROHS3 Compliant |
| Package | Box |
The output current of 196 A is consistent with the 75 kW power class across the entire G120X series family. The thermal rating of 20°C minimum to 45°C maximum describes the operating ambient; the drive module itself lacks an integral fan and relies on external enclosure ventilation or heat removal.
Catalog Comparison — In-Family Variants
The catalog lists multiple SINAMICS G120X 75 kW variants sharing the same electrical ratings. Comparison is limited to shared spec keys present in the records.
| Spec | 6SL32203YE421UP0 (primary) | 6SL32203YE421UF0 | 6SL32203YE421AP0 |
|---|---|---|---|
| Output Current | 196 A | 196 A | 196 A |
| Voltage — Supply | 380–480 V | 380–480 V | 380–480 V |
| Motor Type | AC Motor | AC Motor | AC Motor |
| Mounting | Chassis Mount | Chassis Mount | Chassis Mount |
| Operating Temp | 20°C ~ 45°C | 20°C~45°C | 20°C ~ 45°C |
| RoHS | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Series | SINAMICS | SINAMICS G120X | SINAMICS |
The MPN suffix difference between the primary and UF0/UB0 variants reflects firmware encoding (U vs B vs F); the AP0/AF0/AB0 variants carry the C-frame designation in the title (FSF C instead of FSF U). All listed variants share identical electrical output and thermal ratings. The specific firmware or frame subtype differences are not described in the available catalog records.
Selection Notes
The G120X series targets HVAC and pump applications with a focus on compact chassis integration. Frame subtype distinctions within this series (U vs C) and firmware variants require the specifying engineer to confirm the appropriate variant for the target control architecture and motor protection scheme. Chassis-mount devices of this current class require adequate enclosure thermal management to maintain the stated operating temperature window, particularly when mounted in sealed cabinets without active airflow.
FAQ
How is the 6SL32203YE421UP0 mechanically mounted? It uses chassis mounting, designed for installation inside a parent enclosure rather than as a standalone unit.
What voltage range does this drive support? The supply voltage range is 380–480 V AC.
Does the 6SL32203YE421UP0 include a built-in enclosure? No — the encapsulation is listed as Box, indicating an open-chassis module intended to be installed within a cabinet providing IP20 or higher protection.