Description

The product photos shown are not of the actual items. Please contact sales@fyplc.cn for details.

ALSTOM AL129A – Industrial Power Module (Control System Component)

The ALSTOM AL129A (often referenced with base part number CD101152) is a power conversion/power supply module originally produced by Alstom (now part of GE Power Conversion) for use in industrial automation and control systems, especially within the ALSTOM CE2000 controller family and related equipment.

📌 Product Overview

Product Name: ALSTOM AL129A  CD101152

Brand: ALSTOM

Type: Power supply / chopper converter module

Primary Use: Provides stable, isolated DC power for automation control system modules (e.g., controller CPUs, I/O modules)

Compatible Systems: ALSTOM CE2000 series control racks (e.g., AM163, AM164, AM166) and FB178 backplane systems

🛠️ Technical Specifications (Typical)
Specification Details
Input Voltage Range 96 VAC – 253 VAC (wide‑range chopper input)
Output Voltages Isolated 5 VDC @ up to 10 A and 12 VDC @ up to 4 A
Power Rating Approx. 120 W typical
Switching Frequency ~60 kHz typical
Protection Features Overcurrent, overvoltage, overtemp protection
Operating Temperature Approximately −20 °C to +60 °C
Certifications CE, UL (industry safety standards)
Rack Mounting Slides into ALSTOM CE2000 racks and mates with backplane (e.g., FB178)
🧠 Key Features & Capabilities

Isolated Outputs: Provides galvanically isolated low‑voltage DC rails (5 V and 12 V) that power internal electronics of control modules without electrical noise interference.

Wide Voltage Input Tolerance: Large AC input range makes it adaptable for sites with unstable or varying power.

Multiple Protection Mechanisms: Built‑in safeguards help prevent damage due to electrical faults or excessive heat.

Redundancy Support: Can be used in redundant configurations in a CE2000 rack to improve availability for critical automation systems.

Industrial‑grade Construction: Designed for harsh industrial environments typical of power plants, manufacturing automation, and utility control systems.

📌 Typical Applications

The AL129A module serves as a reliable power supply backbone for industrial control platforms, including:

Power plant automation systems – supporting turbine, generator, and grid control functions.

Distributed control systems (DCS) – providing clean power for CPUs and I/O cards.

Substation and grid automation – supplying isolated DC to control and protection modules.

Heavy industrial process control (petrochemical, steel, water treatment).

📌 How It Integrates

The AL129A module typically installs into an ALSTOM CE2000 rack alongside other modules such as CPUs and I/O cards. It connects to the rack’s backplane (e.g., FB178) and provides stable, isolated DC power that is required for operational integrity of the broader control system.