Propulsion Control Solution – BOMBARDIER 3EST27-99 | Transmission Interface Module
Where This Product Is Used
The BOMBARDIER 3EST27-99 Transmission Interface Module is a critical control component deployed in rail traction and propulsion systems. It serves as the communication bridge between the traction control unit and the transmission subsystem, ensuring precise signal exchange in high-demand transit environments. Typical deployment scenarios include:
- Urban metro and light rail propulsion control cabinets
- Diesel-electric locomotive transmission management systems
- High-speed rail drive control architectures
- Retrofit and modernization projects on legacy BOMBARDIER rolling stock
- Trackside and onboard power conversion interface panels
Technical Specifications
- Part Number / SKU: 3EST27-99
- Manufacturer: BOMBARDIER Transportation
- Module Type: Transmission Interface Module
- Series: EST Series Propulsion Control
- Form Factor: DIN-rail / rack-mount compatible (verify with system drawing)
- Weight: 3,300 g (approx.)
- Operating Environment: Industrial rail-grade; vibration and EMC hardened
- Communication Interface: Proprietary BOMBARDIER backplane bus
- Condition Available: New / Refurbished / Tested surplus
Why Engineers Specify This Model
- OEM-matched signal integrity — designed to BOMBARDIER’s internal electrical specifications, eliminating compatibility risk with third-party substitutes
- Proven field reliability — widely deployed across BOMBARDIER CITYFLO, INNOVIA, and MOVIA fleet families
- Drop-in replacement — maintains original connector pinout and firmware handshake protocol, minimizing downtime during maintenance windows
- Certified for rail environments — meets EN 50155 and IEC 61373 shock/vibration standards applicable to onboard electronics
- Long service life — industrial-grade components rated for continuous duty in temperature-cycled enclosures
Complete System Bill of Materials
The 3EST27-99 is typically integrated alongside the following BOMBARDIER components in a complete propulsion control assembly:
- Traction Control Unit (TCU) — BOMBARDIER EST series main controller
- Gate Drive Interface Board — for IGBT inverter firing signals
- Auxiliary Power Supply Module — 24 VDC rail-grade PSU
- Diagnostic Communication Gateway — MVB / CAN bus interface
- Backplane Bus Connector Assembly — EST rack interconnect
Contact Konmask for cross-reference assistance and compatible spare part sourcing.
Compliance & Industry Standards
- EN 50155 — Railway applications: Electronic equipment used on rolling stock
- IEC 61373 — Railway applications: Shock and vibration tests for onboard equipment
- EN 50121 — Electromagnetic compatibility for railway applications
- RoHS compliant (verify lot-specific documentation upon request)
Quality Assurance & Sourcing
Every BOMBARDIER 3EST27-99 unit supplied by Konmask undergoes the following quality process:
- Visual inspection — PCB, connectors, and housing checked for physical damage
- Functional bench test — power-on verification and communication handshake test where applicable
- Traceability documentation — serial number, lot code, and sourcing chain recorded
- Secure anti-static packaging — ESD-safe bags with desiccant for international shipment
- 90-day warranty on tested surplus units; new units carry OEM warranty terms
How to Source This Part
- Add to cart or submit an RFQ via the product page
- Provide your required quantity, delivery timeline, and destination country
- Our team will confirm stock availability, lead time, and export compliance within 1 business day
- Payment via T/T, PayPal, or approved credit terms for qualified accounts
- Shipment via DHL / FedEx with full tracking and commercial invoice
For urgent requirements or large-volume orders, contact us directly at [email protected] or call +0086 19859288691.
Application-Specific FAQ
Q: Is the 3EST27-99 compatible with all BOMBARDIER EST-series racks?
A: It is designed for the EST27 rack generation. Compatibility with adjacent generations (EST25, EST30) should be verified against your system schematic. Contact us for cross-reference support.
Q: Can this module be reprogrammed or reconfigured in the field?
A: The 3EST27-99 uses firmware stored in onboard flash. Field reconfiguration requires BOMBARDIER’s proprietary service tool. Konmask can supply pre-configured units matched to your fleet’s software version upon request.
Q: What is the typical lead time for this part?
A: In-stock units ship within 2–3 business days. Out-of-stock sourcing typically requires 2–6 weeks depending on global supply chain availability.
Q: Do you provide export documentation for international shipments?
A: Yes. We provide commercial invoices, packing lists, certificates of origin, and ECCN/HS code documentation for all international orders.
Q: What warranty is provided?
A: Tested surplus units carry a 90-day functional warranty. New OEM units carry the manufacturer’s standard warranty. Extended warranty options are available for fleet procurement contracts.
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Contact: [email protected] | +0086 19859288691
