2026-05-23 BY
IN Company News , DCS module , Industry trends , PCL module
ALSTOM AL129A
Manufacturer: ALSTOM (now GE Vernova)
Part No: AL129A (common: AL129A-CD101152)
Type: Power Supply Module / Safety Output Relay Module
Series: ALSPA CE2000 / Turbine Guard
1. Overview
The ALSTOM AL129A is a high‑reliability power supply and safety relay module for industrial automation and power systems. As a core component of ALSPA CE2000 and Turbine Guard platforms, it provides isolated DC power and safety‑grade relay outputs for turbine protection, power substations, and SCADA systems.
2. Main Parameters
• Input Voltage: 96–253 VAC (230 VAC typical)
• Output: Isolated 5 VDC/10 A, 12 VDC/4 A (120 W)
• Safety Outputs: 2‑channel force‑guided relays (SIL 3)
• Isolation: 1500 VDC
• Operating Temp: -20°C ~ +60°C
• Protection: Overcurrent, overvoltage, overtemperature
• Dimensions: 240 × 160 mm; Weight: ~0.8 kg
• Certifications: CE, UL, IEC 61508 SIL 3
3. Key Features
• Redundant power supply support
• High‑speed safety trip output (SIL 3)
• Built‑in backup battery for RAM retention
• EMI/EMC hardened for harsh power environments
• Compatible with AM163/AM164/AM166 racks
4. Application Industry
• Power Generation: Steam/gas turbine protection
• Substation Automation & HVDC systems
• Industrial Control: SCADA & process automation
ALSTOM © AL129A Power Supply & Safety Relay Module