AL129A Alstom CPU motherboards

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Product origin New/used

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AL129A Alstom (CD101152) Datasheet Text‑OnlyPart Number: AL129A, Alternate code

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AL129A Alstom CPU motherboards

AL129A Alstom (CD101152) Datasheet Text‑Only

Part Number: AL129A, Alternate code CD101152

Manufacturer: Alstom (later GE Energy acquisition)

Module Type: Chopper converter power supply module, mis‑named as CPU motherboard in many traders listings; it supplies power to CE2000/CE3000 CPU and I/O racks, not the CPU mainboard itself

Status: Discontinued legacy product, original OEM datasheet not public; only field‑verified typical parameters belowabb-drive....

General Information

Application: Alspa CE2000, CE3000 control racks, power plant turbine control, HVDC, substation automation systemsabb-drive....

Compatible backplane: FB178; compatible rack types AM163, AM164, AM166

Mounting: Plug‑in eurocard for Alstom rack, captive screw retention

Weight: Approximately 0.45‑0.55 kg

Depth: 160‑220 mm

Electrical Specifications

Input Voltage: 96 VAC to 253 VAC wide range AC input

Primary Function: Galvanically isolated DC power for rack CPU and peripheral boards

Output 1: 5 VDC, maximum 10 A

Output 2: 12 VDC, maximum 4 A

Nominal power rating: 120 W

Switching frequency: ~60 kHz

Protection: Over‑current, over‑voltage, over‑temperature shut‑down

Isolation: Galvanic isolation between AC input and DC outputs

Environmental Ratings

Operating temperature range: −20 °C to +60 °C

Storage temperature: −40 °C to +85 °C

EMC: Designed for substation and power plant harsh electromagnetic environment

Certifications: CE, UL industrial safety standards

Product Tag:

AL129A CPU motherboards

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