Description
Product Description
The ALSTOM 029.147.908 is a specific internal spare part or component within the Alstom automation and control equipment portfolio. This numerical identifier typically corresponds to a hardware module, an interface card, or a dedicated electronic assembly used inside larger systems such as protection relays, control units, or drive subsystems. The primary function of the ALSTOM 029.147.908 is to provide a defined processing, communication, or signal conditioning capability that is integral to the operation of the host device. Integration of the 029.147.908 is essential for restoring full functionality during repairs or for specific system configurations. Utilizing the official ALSTOM 029.147.908 component ensures perfect compatibility and preserves the designed performance and safety integrity of the original Alstom equipment.
Product Parameters
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Manufacturer / Brand: Alstom
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Product Type: Internal Electronic Module / Interface Card / Component Assembly
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Model / Article Number: 029.147.908
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Compatibility: Designed as a spare or replacement part for a specific series of Alstom devices (e.g., a particular model of protection relay, programmable controller, or drive control unit).
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Primary Function: Likely serves as a communication processor, digital I/O board, power supply board, or a specific function card (e.g., breaker failure, synchronization) within a modular rack.
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Form Factor: A printed circuit board (PCB) designed to slot into a dedicated backplane or connector within a chassis or housing.
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Interface: Connects via a proprietary or standard internal bus (e.g., parallel bus, serial link) to the main processor and other cards in the system.
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Indicators: May include status LEDs for power, communication activity, or fault indications.
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Environmental Specification: Designed to operate within the temperature, humidity, and EMC limits of its host equipment, typically for industrial or switchgear environments.
Advantages and Features
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Guaranteed Compatibility: As a factory-original part, the ALSTOM 029.147.908 ensures 100% electrical and mechanical compatibility with the parent device, eliminating integration risk.
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Reliability Assurance: Manufactured to Alstom’s stringent quality and testing standards, providing the same level of reliability and longevity as the original component.
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Simplified Maintenance: Enables direct module-level replacement, dramatically reducing repair time and complexity compared to component-level repair of the PCB.
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Preservation of Certification: Using the OEM-specified part helps maintain any original type certifications or safety approvals of the overall system.
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Plug-and-Play Operation: Typically requires no complex configuration when replaced within the same system, as settings are often held elsewhere or are hard-coded.
Application Cases in Key Fields
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Power System Protection: Used as a spare communication or logic card within Alstom Micom, P, or Sepam series protection relays deployed in electrical substations.
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Industrial Drive Systems: Serves as a control or feedback interface board within Alstom variable frequency drives (VFDs) or motor control centers for industrial processes.
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Railway Propulsion Control: Could be a component within traction control units or auxiliary converter controls on trains and trams.
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System Retrofit and Repair: Primarily used by service technicians and panel builders for repairing faulty units in the field or in workshop settings, ensuring equipment is returned to its original specification.
Comparison with Competing Products
There is no direct comparison in the open market for a proprietary internal component like the ALSTOM 029.147.908. Competing products from other manufacturers (e.g., a Siemens SIMATIC function module or a ABB drive interface card) are part of their own closed ecosystems and are not interchangeable. The only potential alternative would be a third-party repaired or reverse-engineered board. While such alternatives may be cheaper, they carry significant risks regarding unknown component quality, lack of testing, potential firmware mismatches, and voiding of system warranties. The genuine 029.147.908 is the only option that guarantees original-equipment performance and reliability.
Selection Suggestions and Precautions
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Exact Replacement Verification: This part number is highly specific. Crucially, verify that 029.147.908 is the exact part number listed in the spare parts manual of the host device you are repairing. Do not assume compatibility based on similar models.
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Identify the Host System: Know the exact model and serial number of the main device (e.g., relay, drive) from which the faulty module was removed. This is essential for correct ordering.
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Static Sensitivity (ESD): Handle as an electrostatic discharge sensitive device. Use proper ESD precautions during removal, transport, and installation.
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Firmware Considerations: In some cases, a new module may require a firmware update to match the rest of the system. Check the host device’s documentation for any required procedures after installing the ALSTOM 029.147.908.
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Supplier Credibility: Source only from authorized Alstom/Hitachi Energy distributors or highly reputable specialist suppliers with proven expertise in automation spares to avoid counterfeit components.
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Return of Faulty Part: Some suppliers or repair schemes may require the return of the faulty core when purchasing the ALSTOM 029.147.908. Clarify this during the purchasing process.

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