ALSTOM N897164624A – Rail-grade control PCB for train control and auxiliary I/O

The ALSTOM N897164624A is a rail-duty electronic board typically supplied as a spare for Alstom train control cabinets. From my experience, this kind of board is used as an I/O and communication interface within TCMS/propulsion or auxiliary subsystems, where reliability and clean integration with existing backplanes matter more than flashy specs. You might notice that it’s designed to sit in a protected rack, tie into a 24 VDC power domain, and exchange data with the vehicle network—making it a straightforward drop-in during scheduled maintenance or corrective repair.

Order Placement Process and Guarantees

Key Features

• Designed for Alstom rack environments – Slides into existing train control cabinets for quick swaps and minimal rewiring.
• 24 VDC rail power domain – Compatible with the standard rolling stock 24 VDC supply, simplifying power integrity and spares.
• Mixed signal I/O – Typically supports digital I/O and common analog ranges used for sensors/actuators in rolling stock.
• Vehicle bus connectivity – Often deployed with MVB or CAN on the vehicle, with service access through a maintenance port.
• Service-friendly design – Front-access connectors and status indicators make on-train diagnostics faster in most cases.
• Railway-hardened build – Components and coating practices that suit EN 50155-style environments (shock, vibration, temperature).

Technical Specifications

Brand / Model	ALSTOM N897164624A
HS Code	8538.90 – Parts for boards, panels and cabinets for electric control or distribution
Power Requirements	24 VDC nominal (typically 18–36 VDC range), <10 W typical load
Dimensions & Weight	Approx. 230 × 160 mm board size; ~0.4 kg (varies by revision)
Operating Temperature	Typically −25 °C to +70 °C, suitable for rail cabinet environments
Signal Input/Output Types	Mixed digital I/O and common analog ranges (e.g., 0–10 V / 4–20 mA); channel count varies by installed variant
Communication Interfaces	Vehicle network interface typically MVB or CAN; service/maintenance port often RS‑485 or similar (as fitted)
Installation Method	Rack/card-cage mounting in Alstom control cabinets; backplane connector with front I/O access

Note: Exact ports and channel counts can differ by sub-variant of N897164624A; if you share your cabinet code or trainset family, we’ll match the correct revision.

Application Fields

• Train Control & Monitoring System (TCMS) I/O expansion or interface boards
• Propulsion and auxiliary subsystem signaling (contactors, cooling, compressors)
• Braking system control cabinets where discrete and analog feedbacks are needed
• Onboard signaling/communications racks and depot test benches

One thing I appreciate is how these boards keep retrofits simple—on older fleets, technicians can replace a failed card, run the built-in indicators and a quick comms check, and the train is back in service without reworking harnesses.

Advantages & Value

• Form-fit-function alignment – A practical spare for Alstom racks, reducing engineering effort and downtime.
• Compatibility – Works within 24 VDC rail cabinets and typical vehicle networks (MVB/CAN), easing integration.
• Reliability under rail conditions – Built for vibration and temperature swings found in service.
• Cost control – Limits trainset immobilization time; less requalification versus third‑party redesigns.
• Support – We can help verify the correct hardware variant by cabinet drawing or BOM snapshot.

Installation & Maintenance

A depot tech’s comment we hear a lot: “With the correct variant, it’s a 15-minute change-out and a quick comms handshake check—no harness changes needed.”

Quality & Certifications

• Typically supplied to rail standards such as EN 50155 and EN 50121-3-2 for onboard environments
• CE and RoHS conformity commonly applicable to electronics content
• Manufactured under ISO 9001 quality systems (supplier/manufacturer level)
• Warranty: 12 months from delivery

Compliance naming can vary by sub-assembly and production lot; we can confirm documentation against your fleet records on request.

Supporting Components (Common Pairings)

• Rack Backplane / Motherboard – Mates with the N897164624A for power and vehicle bus; ensure correct slot profile.
• Front I/O Harness – Pre-terminated cables for discrete and analog channels, labeled per cabinet drawing.
• MVB or CAN Interface Module – Where the cabinet architecture separates PHY/transceiver from the board.
• Mounting Hardware Kit – Captive screws, guides, and EMC gaskets to secure the card under vibration.
• Depot Test Adapter – Breakout fixture for bench testing and signal simulation during overhaul.

If you share the cabinet part code or trainset type, we’ll cross-check the exact harness pinout and any required adapters so your team receives a plug‑compatible set.