ALSTOM V4561983-0100 / V4559856 | ALSTOM Control / Power Module, Verify Label
ALSTOM V4561983-0100 / V4559856 | ALSTOM Control / Power Module, Verify Label - Image 2
ALSTOM V4561983-0100 / V4559856 | ALSTOM Control / Power Module, Verify Label - Image 3

ALSTOM V4561983-0100 / V4559856 | ALSTOM Control / Power Module, Verify Label

  • Model: V4561983-0100 / V4559856
  • Brand: ALSTOM
  • Series: Legacy ALSTOM module; exact product family not confirmed from authoritative public sources.
  • Core Function: ALSTOM control / power-related module; surplus listings describe it as a control-current or AC/DC conversion component, but this is not OEM-verified.
  • Type: Control / power module — function unconfirmed
  • Key Specs: Supply voltage, current rating, I/O type, communication interface, and compatible ALSTOM system must be verified from the nameplate or OEM documentation.
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Description

Key Technical Specifications

Parameter Details
Manufacturer ALSTOM
Part Numbers V4561983-0100, V4559856
Product Type Control / power module (unconfirmed)
Described Function Control-current or AC/DC power conversion related, per surplus listings
Electrical Ratings Verify from nameplate: input voltage, output voltage/current, power rating
Communication Interface Not confirmed; may be serial, bus, or hardwired I/O depending on variant
Compatible Systems Must be matched to the installed ALSTOM control, drive, or rail system
Condition New surplus, refurbished, or removed-from-service — supplier must declare
Traceability Serial number, revision, and test report recommended
Data Limitation Public listings do not provide authoritative ALSTOM datasheets; do not assume specs

 

Product Introduction

ALSTOM part numbers beginning with V45 often appear in legacy control, drive, or rail-system spare listings. V4561983-0100 and V4559856 are commonly listed together, suggesting they may be paired part numbers, parent/child references, or alternative identifiers for the same module.

Some surplus sources describe this part as a control-current or AC/DC conversion module, meaning it could relate to power supply, excitation, relay control, or drive-related circuitry. However, without an ALSTOM datasheet or nameplate photo, the exact function cannot be confirmed. For maintenance or replacement, always verify the label, connector layout, and installed system BOM before approving installation.

QA/QC Transparency SOP

  1. Intake & Origin Verification — Photograph the full label, both part numbers, revision, serial number, and connector side. Reject units with missing or altered labels.
  2. Visual Inspection — Check for burned components, swollen capacitors, cracked connectors, corrosion, moisture ingress, or mechanical damage.
  3. Electrical Testing — Measure input/output voltage tolerance, insulation resistance, I/O continuity, and short-to-ground conditions.
  4. System Compatibility Check — Match the module to the installed ALSTOM rack, backplane, communication protocol, and configuration files.
  5. Final QC & Packaging — Tag with measured results, source condition, and revision. Pack with connector protection and ESD-safe materials.

 

Field Engineer Gotchas

  • Dual part numbers are not automatically interchangeable. V4561983-0100 and V4559856 may be related, but confirm whether one is a sub-assembly, revision, or alternate identifier.
  • Surplus descriptions are generic. Listings may call it a relay, power converter, or control module without OEM confirmation.
  • Do not assume voltage class. ALSTOM legacy modules can differ between 24 VDC, 110 VDC, or AC supply variants.
  • Configuration or calibration data may be required. If this is drive- or control-related, the replacement may need the correct parameter set.
  • Connector pinout errors cause secondary faults. A plug that fits does not guarantee correct signal mapping.
ALSTOM V4561983-0100 V4559856

ALSTOM V4561983-0100 V4559856

Application Scenarios

  • Legacy ALSTOM control system maintenance. Replace a suspected faulty module after confirming the exact rack and configuration.
  • Rail or traction control spare support. Verify whether the module belongs to a train control, signaling, or auxiliary power system.
  • Industrial drive or power conversion repair. Use traceable ALSTOM spares to avoid mismatched supply voltage or I/O mapping.
  • Spare pool audit. Check existing V4561983-0100 / V4559856 stock for revision, serial traceability, and compatibility with the installed system.

 

FAQ

1. Are V4561983-0100 and V4559856 the same part?
They are commonly listed together, but public sources do not confirm whether they are identical, paired, or revision variants. Verify from the physical label.

2. What does this module do?
Surplus listings describe it as control-current or AC/DC conversion related, but this is not OEM-verified. Confirm with the nameplate or ALSTOM documentation.

3. Can I substitute it with another ALSTOM V-series part?
Not safely. ALSTOM legacy modules often differ in voltage class, connector layout, and configuration.

4. Is it still supported by ALSTOM?
Official support status is not confirmed here. Check with ALSTOM or an authorized service provider before installing it in a critical system.

5. What information do I need before ordering?
A photo of the label, connector side, installed system model, supply voltage, and the original BOM reference.

6. Is surplus stock acceptable?
Yes, if the supplier provides clear photos, electrical verification, and return support. For critical control or safety functions, prefer tested or OEM-certified stock.

7. How do I confirm the exact function?
Check the physical label, ALSTOM drawing, service manual, or BOM. If the label is missing, do not install it in a live system.

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