Technical Parameters Basic Information Brand: Alstom Converteam Part Number: KCEG14201N51 Form Factor: Standard 3U slide-in rack pluggable module Application: Urban metro, light rail traction converter IGBT drive & fault detection Matching controller: EPIC-III / EP3-E-4-EN master CPU board Power Supply Rated operating voltage: DC 24V vehicle control power Operating voltage range: 18 ~ 30 VDC Maximum power consumption: 12 W Built-in protection: Reverse polarity protection, TVS surge suppression, independent channel short-circuit lockout Core Function & Signal Channels IGBT isolated gate drive outputs: Multi-channel high-speed pulse trigger signals for traction power modules Analog monitoring inputs: 4–20mA temperature sensors, DC link voltage, armature current sampling Fault feedback input: Overcurrent, over-temperature, gate loss fault signal capture Digital interlock IO: Isolated DC24V safety contact feedback Communication: Proprietary high-speed rack backplane bus for real-time fault data upload to main control unit Mechanical Specifications Overall dimensions: H130 mm × W98 mm × D220 mm PCB treatment: Full acrylic conformal coating, anti-moisture, anti-corrosion, anti-mold Front panel indicators: Power supply OK, drive active, module fault, communication alarm LED Fastening: Anti-loose lock buckle for continuous vehicle vibration operation Railway Environmental & Compliance Standards Operating ambient temperature: -25 ℃ ~ +70 ℃ Storage & transport temperature: -40 ℃ ~ +85 ℃ Relative humidity: 5% ~ 95% non-condensing Vibration standard: IEC 61373 rolling stock Shock resistance: 12g half-sine wave impact test