Description
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | N70032702L |
| Manufacturer | ALSTOM |
| Product Type | Power Controller / Power Module |
| Associated Designation | H262-R-V1 |
| System Context | ALSTOM legacy control/rack systems |
| Installation | Plug-in rack / backplane architecture |
| Power Interface | Application-dependent |
| Control Interface | Rack/backplane interface |
| Field Wiring | Typically handled through associated rack/interface hardware |
| Application | Industrial and railway-related control equipment |
| Mounting | Dedicated ALSTOM cabinet/rack |
| Replacement Basis | Exact P/N, revision, rack position, and system configuration |
| Condition | New Surplus or Fully Tested Refurbished |
Important specification note: Publicly available records conflict on the exact electrical ratings. One listing claims 12 V, 5 A, 400 Hz and associates the board with H262-R-V1, while other records simply identify N70032702L as a power controller or power module without providing those ratings.
I would not use 12 V / 5 A / 400 Hz as a confirmed field specification without the original ALSTOM drawing or nameplate. That distinction matters when replacing a live power-control assembly.
Application Scenarios & Pain Points
A failed power-control board can make an entire rack appear dead or unstable, but the root cause may sit upstream in the cabinet supply, backplane, grounding, or load circuit. Replacing the board without checking those conditions can turn one failed component into another failed component.
- ALSTOM controller racks: N70032702L is listed as a supporting power module for the P70035W82V controller rack architecture.
- Industrial control cabinets: The part is marketed as a power-control component for legacy ALSTOM automation equipment.
- Railway control equipment: ALSTOM’s broader hardware portfolio includes railway and transportation control systems; application suitability should be established from the actual cabinet documentation rather than the manufacturer name alone.
- Legacy system maintenance: A correctly identified N70032702L can be useful where the installed rack remains operational and replacing the complete control platform would create unnecessary engineering work.
Field note: Before inserting a replacement, measure the rack supply with the failed module removed. Check the backplane connector for darkened contacts or localized heating. If the old board failed with a burnt smell or discolored PCB area, do not simply install the spare and energize the cabinet.
N70032702L
Related Products
- P70035W82V — ALSTOM controller rack associated with N70032702L as a power-module component. The rack provides the physical and electrical platform; N70032702L is a supporting module rather than the complete controller.
- H262-R-V1 — Designation associated with in available product records. It is useful when checking the board label and configuration against the installed assembly.
- N895314513L — ALSTOM module from a different hardware family. It should not be treated as a substitute simply because both are ALSTOM plug-in boards.
- N897164610L — ALSTOM SDTC F7 Tx-Rx board. It belongs to railway signaling hardware and performs a completely different function from .
- N897164611M — ALSTOM SDTC F8 Tx-Rx board. Related to N897164610L in signaling architecture, but not a power-module replacement for .
- N895600512D — ALSTOM controller hardware associated with another legacy control family. Consider it when identifying the broader cabinet architecture, not as a direct replacement.
- N897093511D — ALSTOM diagnostic hardware from another system family. It can support system diagnostics but does not perform the power-control role.
- N897092520B — ALSTOM TRENO-family control hardware. It is relevant when the cabinet belongs to the corresponding ALSTOM train-control architecture, but functional substitution requires engineering confirmation.
- AL132 / STO0982E01 — Another ALSTOM control-module family. Useful for broader ALSTOM spare identification, but not a direct equivalent.
The Engineer’s Guide: Field Pitfalls to Avoid
Warning 1 — Do not trust the generic description “power supply.”
appears under several descriptions, including power controller, power module, and control module. Those terms are not necessarily interchangeable from an electrical-design perspective.
How to avoid it: Match the full marking, board revision, cabinet type, and rack slot against the equipment drawing.
Warning 2 — Do not assume the published 12 V / 5 A / 400 Hz rating is universal.
That rating appears in one secondary record associated with H262-R-V1, but it is not independently confirmed by stronger primary documentation.
How to avoid it: Verify the actual input/output ratings from the cabinet schematic or original ALSTOM technical documentation before applying power.
Warning 3 — Backplane condition can kill the replacement.
A plug-in board can look clean while the mating rack connector has oxidation, contamination, or heat damage.
How to avoid it: Isolate the cabinet, inspect both mating surfaces, check for discolored contacts, and verify supply rails before installing the replacement. ESD protection is also appropriate when handling the exposed PCB.
Frequently Asked Questions (FAQ)
What is ALSTOM ?
is an ALSTOM power-control/power-module assembly used in legacy ALSTOM control-rack applications. Available records also associate it with the H262-R-V1 designation.
Is a power supply or a controller?
The available evidence supports describing it as a power controller / power module, rather than confidently calling it a conventional standalone power supply. One record specifically labels it a “Power Controller,” while another identifies it as a “Power Module | Controller Card.”
The exact electrical role should be confirmed from the installed cabinet schematic.
Is used with the P70035W82V rack?
Yes. Available equipment documentation lists among the supporting components for the ALSTOM P70035W82V controller rack.
That makes the rack model an important compatibility check when sourcing this spare.
What are the electrical specifications of ?
Public sources do not provide a sufficiently consistent specification sheet. One listing gives 12 V, 5 A, 400 Hz, but that should be treated as unverified until confirmed against ALSTOM documentation.
For procurement, I would request confirmation of:
- Input voltage
- Output voltage
- Output current
- Frequency
- Protection functions
- Connector/pin assignment
- Board revision
Can I replace with another ALSTOM power module?
Not without an engineering comparison. ALSTOM has many visually similar plug-in boards used across different control architectures.
At minimum, compare:
- Complete part number.
- Board revision.
- Rack model.
- Slot assignment.
- Input/output ratings.
- Connector configuration.
- Control/backplane interface.
- System documentation.
How should a refurbished be tested?
A useful acceptance test should include:
- Exact part-number verification.
- PCB and connector inspection.
- Power-input verification.
- Output-voltage/current testing under controlled load.
- Protection-function testing where applicable.
- Backplane/interface verification.
- Extended thermal operation.
- Visual inspection after the test.
A simple continuity check or “powers on” statement is not enough for a power-control board.
What should I provide when ordering ?
Use the complete identification:
ALSTOM — H262-R-V1
Also provide a photograph of the board label, PCB revision, connectors, and installed rack. If the board came from a P70035W82V rack, include that rack identification as well. This reduces the chance of receiving a mechanically similar ALSTOM card from another control family.
