Technical Parameters Basic Information Brand: Alstom Converteam Part No.: KBCH13001H15LEL Form Factor: Standard 3U slide-in rack pluggable module Matching System: EPIC‑III / EP3‑E‑4‑EN traction control rack, KCEG/KCGG gate drive boards, RIOM T35 I/O modules Application: European metro, light rail vehicle traction converter internal isolated auxiliary power source High Voltage Input Specifications Input source: Vehicle main traction DC link Input voltage range: 400 VDC ~ 900 VDC wide range Rated maximum input power: 360 W Input protection: Overvoltage, undervoltage, reverse polarity, HV surge absorption, input overcurrent fuse Multiple Galvanically Isolated Output Channels DC24V / 6.5A: Power supply for RIOM I/O, relays, signal sensors ±15V / 3A: For analog sampling, temperature & current sensor circuits ±5V / 4.2A: DSP master CPU, logic & communication circuits Dual isolated ±18V: Dedicated power for IGBT gate drive monitoring boards All outputs fully isolated from high-voltage DC link side Per-channel independent protection: Short-circuit lockout, overcurrent, overtemperature auto shutdown & self-recovery Mechanical Specifications Overall dimension: H130 mm × W98 mm × D220 mm PCB protection: Full acrylic conformal coating, anti-moisture, anti-corrosion, anti-dust, anti-mold Front panel LED status indicators: HV Input Normal, 24V Aux Output, Gate Drive Power Fault, Overheat Alarm Fastening: Anti-loosening lock buckle, prevents loose contact under continuous vehicle vibration Railway Environmental & EU EN Compliance Operating ambient temperature: -25 ℃ ~ +70 ℃ Storage & transport temperature: -40 ℃ ~ +85 ℃ Relative humidity: 5% ~ 95% non-condensing Vibration standard: IEC 61373 railway rolling stock specification 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 Version note: LEL suffix = European EN certified variant for EU rail vehicle projects