Provides the control-interface board execution documented for the 380 A MICROMASTER 430 GX drive.
Product Identification
6SL3351-6FE33-8AA1 is the Siemens replacement control interface board for a MICROMASTER 430 drive with 3AC 380–480 V, 50/60 Hz supply class, 380 A rating and GX frame size.
Siemens maintenance documentation identifies this CIB in the GX drive assembly. The FE33-8 code, 380 A rating and GX frame must all be retained during selection.
Engineering Data
| Manufacturer | Siemens |
|---|---|
| Exact Model | 6SL3351-6FE33-8AA1 |
| Product Type | Replacement control interface board |
| Drive Family | MICROMASTER 430 |
| Host Supply Class | 3AC 380–480 V, 50/60 Hz |
| Host Current Rating | 380 A |
| Frame Size | GX |
| Documented Host Example | 200 kW MICROMASTER 430 GX, MLFB 6SE6430-2UD42-0GA0 |
| Service Context | Legacy drive spare |
| Selection Basis | Exact board MLFB and host-drive nameplate |
Functions
Maintains internal control and option interfaces defined by the host assembly.
Carries a frame- and current-specific identity distinct from FX-frame FE32 boards.
Supports service replacement under the Siemens GX maintenance procedure.
Applications
- MICROMASTER 430 GX drives whose rating plate confirms the documented 380 A execution.
- The documented 200 kW GX host example with MLFB 6SE6430-2UD42-0GA0.
- Board-level service where the removed assembly label is exactly 6SL3351-6FE33-8AA1.
- Legacy spare planning linked to a verified drive and parameter archive.
Lifecycle
- Keep the complete host nameplate, board label, option record and fault history.
- Archive parameters and motor/application settings before isolation.
- Follow Siemens lockout, DC-link discharge, ESD and GX board-removal instructions.
- Resolve cooling, contamination and power-stage faults before exposing the replacement board.
- Use a controlled commissioning run and retain the results with the asset record.
About IndustryParts
https://www.industryparts.com/GX-frame identity controls the replacement
IndustryParts records 6SL3351-6FE33-8AA1 as the 380 A MICROMASTER 430 GX control-interface board and verifies the host drive before shipment.
- 380 A rating retained
- GX frame checked
- Host MLFB reviewed
FAQ
Can an FX-frame FE32 board replace 6SL3351-6FE33-8AA1?
No direct substitution should be assumed. This board is listed for the 380 A GX frame, while FE32 variants serve different FX current classes.
Which host evidence best confirms 6SL3351-6FE33-8AA1?
Provide the MICROMASTER 430 GX nameplate, drive MLFB, 380 A rating, board label and internal connector photographs.
Why should the DC-link procedure be documented for 6SL3351-6FE33-8AA1?
High-power drive circuits can retain hazardous energy after isolation; the exact Siemens discharge and voltage-check steps must be followed.
What should be inspected while 6SL3351-6FE33-8AA1 is removed?
Check fans, heatsinks, ribbon cables, power joints, contamination, discoloration and signs of component or connector overheating.
How is a drive with replacement 6SL3351-6FE33-8AA1 accepted?
Verify diagnostics and parameters, then prove motor direction, current, feedback, I/O, interlocks and process response during controlled startup.
