Description
Core Product Summary
The Bombardier DCC2382A (part number 3EST125-975) is an electronic drive control unit belonging to the MITRAC propulsion and control architecture developed for rail vehicle traction systems. Installed as part of the vehicle onboard electronic architecture, this module handles real-time control execution and interface processing between central vehicle control electronics and traction converter/inverter power stages.
Designed to operate in harsh electrical and mechanical rail environments, the module processes high-speed digital and analog control signals to execute real-time algorithms for traction, braking, and auxiliary power control. Built within a ruggedized metallic housing structure, the DCC2382A meets international rail standards for vibration, shock, and electromagnetic compatibility.
Key Technical Specifications
| Specification Parameter | Verified Value / Rating |
| Manufacturer | Bombardier Transportation (Alstom) |
| Model / Part Number | DCC2382A / 3EST125-975 |
| Product Series | MITRAC Propulsion and Control Architecture |
| Product Function | Drive Control Unit (DCU) Module |
| Housing Construction | High-strength industrial metal enclosure |
| Approximate Weight | 2.6 kg (5.7 lbs) |
| Approximate Dimensions | 35 cm × 31 cm × 6 cm |
| Environmental Compliance | Qualified for rail transit vehicle shock and vibration environments |
Detailed Product Overview
The Bombardier DCC2382A (3EST125-975) functions as a specialized electronic sub-assembly within rail transit propulsion and auxiliary power system architectures. As part of Bombardier’s MITRAC control platform, the module provides real-time signal processing and control logic necessary to manage power electronics modules, such as IGBT-based traction inverters and converters.
In typical rolling stock applications, the unit collects feedback from sensors, process monitoring lines, and higher-level vehicle control networks, executing high-speed control calculations to regulate motor torque, acceleration profiles, dynamic electrical braking, and auxiliary converter sub-systems. Its high-density circuit architecture is designed for long service life, low latency signal handling, and robust operation under typical rolling stock electrical fluctuations.
Dimensions, Mounting & Connection Notes
- Enclosure Footprint: Enclosure dimensions measure approximately 35 cm (H) × 31 cm (W) × 6 cm (D).
- Module Weight: Approximately 2.6 kg.
- Mechanical Structure: Sealed metal casing engineered for structural rigidity and electromagnetic shield isolation.
- Installation: Modular slide-in / rack-mounting chassis design for secure retention inside vehicle control enclosures.
DCC2382A 3EST125-975
DCC2382A 3EST125-975
System Compatibility & Integration Requirements
| Item / Dependency | Verified Compatibility or Requirement | Practical Note |
| System Architecture | Bombardier MITRAC Propulsion and Traction Control Systems | Designed for rack or sub-rack mounting within rail vehicle electronic cabinets. |
| Upstream / Sister Modules | MITRAC family modules (e.g., DCC2223A, DCC2385A series) | Integrates with central vehicle computer networks and traction control units. |
| Mounting / Chassis | Dedicated rail control rack / sub-rack mounting enclosure | Requires proper backplane mating and alignment inside vehicle cabinet. |
FAQ
What is the Bombardier DCC2382A 3EST125-975?
It is a specialized electronic drive control module engineered by Bombardier Transportation for rail transit propulsion and traction control systems.
What system platform does the DCC2382A belong to?
It belongs to the Bombardier MITRAC propulsion and vehicle control system family.
What function does this module perform in rail applications?
It serves as a drive control processing unit that handles real-time control calculations and interface functions for traction inverters, converters, or auxiliary power systems.
What are the primary physical dimensions of the DCC2382A module?
The unit measures approximately 35 cm in length, 31 cm in width, and 6 cm in depth, with an overall weight of roughly 2.6 kg.
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