8239-4018 is EN 50155 certified railway standard 3U slide-in plug-in signal acquisition and safety interlock expansion board for Alstom MV metro/light rail traction converter racks, factory part number corresponding to standardized digital I/O hardware matched with MPA157 series platform.
8197-4002 is EN 50155 railway certified 3U plug-in signal conditioning board, the factory spare part code corresponding to CDG11AF series analog acquisition board for Alstom MV metro and light rail traction converter racks. It integrates galvanically isolated DC-link voltage, three-phase inverter current detection, multi-channel 4–20mA temperature signal collection and DC24V opto-isolated safety chain input circuits.
9510-4001 is EN 50155 railway certified 3U plug-in traction-TCMS gateway communication board, factory component spare part number corresponding to TTM211/IP166 vehicle bus interface board of Alstom MV metro & light rail traction control platform.
8165-4004 is EN 50155 railway certified 3U slide-in plug-in IGBT power module drive board, factory spare part number corresponding to AP5427A standard drive hardware of Alstom MV metro and light rail traction converter platform.
8198-4002 is EN 50155 railway certified 3U plug-in signal conditioning acquisition board, factory spare part serial number of CDG11AF upgraded series analog sampling board for Alstom MV metro and light rail traction converter racks.
NG4 is EN 50155 railway certified standard 3U slide-in isolated low-voltage backup power module for Alstom MV metro and light rail traction converter racks, equivalent to PRS12N series platform hardware.
The Alstom L54E1100BB00 is a Digital I/O Module designed for safety-critical industrial control systems, particularly in railway signaling and power generation applications .
Heavy Duty Industrial Electronic Component MICROREC K4.1
The MICROREC K4.1 is a digital microprocessor-based automatic voltage regulator (AVR) and excitation control system manufactured by ALSTOM . It is designed for brushless excitation systems in large synchronous generators used in power plants, including both steam turbine and gas turbine generator sets .