MVAJ051RA1000A is EU EN certified railway-grade 3U plug-in high-power isolated auxiliary power module for Alstom metro and light rail traction converter racks. It obtains input energy from vehicle wide-range traction DC-link high voltage, then converts it into multiple fully galvanically isolated low-voltage power buses, supplying stable operating power to MVTU/MVTT series traction master CPU, IGBT gate drive monitoring boards, high-precision analog sampling boards, TCMS vehicle communication gateway boards and MMLB/MMLG digital I/O expansion boards.

MVAJ101RA1000A is EN railway certified 3U plug-in high-power isolated auxiliary power module for Alstom metro and light rail traction converter racks. It takes variable high DC voltage from vehicle traction DC-link bus and converts it into multiple fully galvanically isolated low-voltage power rails to supply MVTU/MVTT traction master CPU, IGBT gate drive boards, MCGV/MCGG analog sampling boards, TCMS communication gateway boards and MMLB/MMLG digital I/O expansion modules. The whole PCB adopts full acrylic conformal coating to satisfy strict EU rolling stock requirements of vibration resistance, damp resistance, EMC suppression and low-smoke low-toxicity fire safety.

MVAJ051JA1000A is EU EN certified railway-grade 3U plug-in isolated auxiliary power module for Alstom urban metro and light rail traction converter racks. It extracts wide-range high DC voltage from vehicle traction DC-link bus and converts it into multiple galvanically isolated low-voltage power rails to supply MVTU/MVTT traction master CPU, IGBT gate drive monitoring boards, MCGV/MCGG analog sampling boards, TCMS communication interface boards and MMLB/MMLG digital I/O expansion modules.

MCND04 is EU EN certified railway-grade 3U plug-in IGBT gate drive & fault monitoring board for Alstom metro and light rail traction converter racks. It receives PWM drive instructions from MVTU/MVTT master CPU via rack backplane bus, outputs isolated gate signals to control power IGBT modules, and real-time monitors IGBT overcurrent, desaturation, gate power loss and thermal faults, feeding all fault feedback back to the master control unit.

PRS12N04TH is EN-compliant railway-grade 3U plug-in low-voltage control power board for Alstom metro and light rail traction converter racks. It converts vehicle on-board DC110V/DC24V auxiliary power into multiple stabilized isolated low-voltage power rails, supplying constant logic power for master control CPU, communication boards, digital I/O and signal sampling circuits.

CDG11AF14SACH is EN-compliant railway standard 3U plug-in high-precision analog acquisition and hardware safety interlock board for Alstom metro and light rail traction converter racks. It integrates isolated DC-link voltage, three-phase inverter current detection, multi-channel 4–20mA temperature signal collection and DC24V safety chain opto-isolated input circuits.

CDG11AF014SACH is EU EN compliant railway-grade 3U plug-in signal conditioning board for Alstom metro and light rail traction converter racks. It integrates fully isolated DC-link voltage sampling, three-phase inverter current detection, multi-channel 4–20mA temperature acquisition and opto-isolated DC24V high-voltage safety chain inputs.

56015-008-10 is railway certified 3U plug-in high-precision analog acquisition and hardware safety interlock board for Alstom metro and light rail traction converter racks, part of CDG11 series standardized signal acquisition hardware.

PRS12N04BA is EN railway certified 3U plug-in isolated low-voltage control power module for Alstom metro & light rail traction converter racks. It converts vehicle on-board DC110V battery auxiliary power into multiple stabilized isolated low-voltage rails, supplying steady logic power for master CPU, analog sampling boards, TCMS communication, IGBT gate drive and digital I/O expansion modules.

MVAJ55H1JB08588 is EU EN certified railway-grade 3U slide-in high-power auxiliary power module for Alstom metro and light rail traction converter racks, belonging to MVAJ series high-voltage input power platform.