Technical Specifications Basic Identification Brand: Alstom Full Model: KCEG14201V21CEE Series: KCEU142 Control Card Series Certification Mark: CEE (EU CE Railway Certified Version) Product Type: Plug-in Railway Control PCB / Traction Logic Module Application: Metro, EMU, light rail vehicle auxiliary control cabinet, traction drive control, safety interlock signal processing Electrical Parameters Operating Supply Voltage: DC 110V (standard railway vehicle power supply) Working Voltage Tolerance: 77V ~ 137.5 VDC Board Power Consumption: Max 22W Digital Input Channels: 16 channels, DC 110V level signal input Relay Output Channels: 8 forcibly guided relay outputs, AgSnO2 contact AC-15 load: 250VAC / 6A DC-13 load: 110VDC / 3A Analog Signal Interface: 4-channel 0~10V voltage sampling for temperature, current, pressure sensors Communication Port: Internal serial bus for vehicle control unit communication Insulation Voltage: 2kVAC between power circuit and signal circuit Overvoltage & EMC Protection: Built-in TVS surge suppression, filter circuit for vehicle high interference environment Mechanical & Installation Installation Type: Standard 3U rack plug-in card, slide-in cabinet slot mounting Connection: Rear board edge connector for power & signal wiring PCB Protection: Full conformal coating (acrylic resin) anti-moisture, anti-corrosion Overall Dimension: Height 130mm × Width 100mm × Depth 220mm Net Weight: 0.78 kg Fixing: Front panel lock buckle for anti-loosening during vehicle operation Environmental & Railway Grade Performance Operating Ambient Temperature: -25 ℃ ~ +70 ℃ Storage Temperature: -40 ℃ ~ +85 ℃ Relative Humidity: 5% ~ 95% non-condensing Vibration Resistance: IEC 61373 railway rolling stock standard, 10–150Hz, 1.5mm amplitude Shock Resistance: 15g, 11ms half-sine impact Pollution Degree: PD2, Overvoltage Category III EMC Compliance: EN 50121-3-2 railway vehicle electromagnetic compatibility