Technical Parameters Basic Information Brand: Alstom Converteam Part No.: KCEG14201N51EED (EU EN compliant version of KCEG14201N51) Form Factor: Standard 3U slide-in rack pluggable module Matching controller: EP3-E-4-EN, EPIC-III traction master control board Application: Urban metro, light rail vehicle traction converter IGBT drive and fault detection Power Supply Spec Rated input voltage: DC 24V vehicle control power Operating voltage range: 18 ~ 30 VDC Max power consumption: 12 W Built-in protection: Reverse polarity diode, TVS surge filter, per-channel short-circuit hardware interlock lockout Core Drive & Signal Functions Multi-channel galvanically isolated IGBT gate pulse drive outputs for high-power traction modules Analog sampling inputs: 4–20mA module temperature, DC link voltage, phase armature current monitoring Fault signal acquisition: Overcurrent, overtemperature, gate supply loss, power module breakdown detection Isolated DC24V digital safety interlock input from cabinet safety contacts Communication: Alstom proprietary high-speed backplane bus for real-time fault & status upload to main CPU Mechanical Specifications Overall dimension: H130 mm × W98 mm × D220 mm PCB protection: Full acrylic conformal coating, anti-moisture, anti-corrosion, anti-mold Front panel LED indicators: Power OK, Drive Active, Module Fault, Communication Alarm Fastening: Anti-loose lock buckle, anti-drop under continuous vehicle vibration Railway Environmental & EN Compliance Operating temperature: -25 ℃ ~ +70 ℃ Storage & transport temperature: -40 ℃ ~ +85 ℃ Relative humidity: 5% ~ 95% non-condensing Vibration standard: IEC 61373 railway rolling stock Shock resistance: 12g half-sine wave impact test EMC standard: EN 50121-3-2 railway vehicle electromagnetic compatibility Fire safety grade: EN 45545-2 HL2 low smoke & low toxicity flame retardant Certification: EU EN standard compliant for European rail vehicle projects