Siemens A5E01283291 SINAMICS S120 Power-Stage Spare Assembly
An A5E-marked Siemens power-stage spare associated with the SINAMICS S120 85 A Motor Module configuration; exact label and host verification are required.
Technical Summary
A5E01283291 is a Siemens A5E spare-assembly identifier encountered in SINAMICS S120 power-stage service. Service records associate it with the 85 A Motor Module configuration and host order number 6SL3120-1TE28-5AA3.
An A5E number is a component identifier rather than a complete configurable-drive MLFB. The host Motor Module label, board revision, power-semiconductor set and connector arrangement must therefore be recorded with the enquiry.
Specifications
| Manufacturer | Siemens |
|---|---|
| Spare Identifier | A5E01283291 |
| Product Context | SINAMICS S120 power-stage service |
| Associated Host | 6SL3120-1TE28-5AA3 |
| Host Current Class | 85 A |
| Assembly Class | Power-stage / power-board spare |
| Ordering Control | Use both A5E identifier and complete host MLFB |
| Revision Control | Match every label, index and semiconductor marking |
| Electrical Data | Use the host Motor Module rating plate and Siemens service documentation |
Features
- Retains the component-level Siemens A5E identity for power-stage maintenance.
- Links the spare request to a complete SINAMICS S120 Motor Module host reference.
- Supports revision, connector and semiconductor-set verification before exchange.
- Avoids treating the A5E code as a complete drive order number.
Compatibility
- Match host MLFB 6SL3120-1TE28-5AA3 and its complete rating plate.
- Compare the A5E label, hardware index, IGBT markings and gate connections.
- Confirm cooling interface, insulation parts, mounting points and internal bus connections.
- Use the Siemens service procedure for the exact Motor Module generation.
Replacement
- Save parameters and diagnostics, then photograph the host label and every internal connector.
- Observe the specified DC-link discharge time, ESD controls and power-semiconductor handling rules.
- Complete insulation, gate-signal, fan/cooling, diagnostic and controlled-load checks before release.
FAQ
A5E01283291: Why is the host MLFB required when the A5E label is clear?
The A5E string identifies a component-level spare; the host MLFB establishes the complete electrical, mechanical and cooling configuration.
A5E01283291: What label set should be sent for quotation?
Send the A5E label, host 6SL3120 label, hardware index, semiconductor markings and photographs of both board faces and connectors.
A5E01283291: Can a board with the same shape but another A5E number be used?
Only after Siemens service documentation confirms the power devices, gate circuit, sensors, insulation and host release are equivalent.
A5E01283291: Which condition details matter for a repaired spare?
Request the repair scope, replaced components, insulation and functional test results, serial traceability and any excluded failure modes.
A5E01283291: What should be checked after a power-stage repair?
Review precharge, DC-link balance, gate signals, temperature feedback, cooling, diagnostics and a staged motor test under the approved procedure.
A5E01283291: What should be agreed before shipping a core?
Record the serial and labels, protect the assembly from ESD and impact, and confirm core-credit, fault-report and data-retention terms.
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