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EN 50155 Compliant Power

Next-Generation Railway Power Conversion Solutions

SynQor’s RailQor® line of isolated DC-DC converters and EMI filters is engineered specifically for rolling stock, wayside signaling, and transport infrastructure demanding continuous compliance with strict European and international railway standards.

Full EN 50155 Compliance

Designed to handle extreme continuous input voltage ranges (24V, 48V, 72V, 96V, 110V nominal) and transient surges without interrupting system operations.

EN 50155 RIA 12 NF F 01-510

High Conversion Efficiency

Utilizing patented synchronous rectifier technology, RailQor® modules achieve efficiencies up to 95%, dramatically reducing power dissipation and thermal management costs.

Up to 95% Efficiency Conduction Cooled Low Thermal Stress

Shock, Vibration & Environmental Protection

Fully encapsulated potted construction rated for shock and vibration under EN 61373 Category 1 Class B, ensuring multi-decade reliability under harsh track conditions.

EN 61373 Cat 1B Operational -40°C to +100°C Encapsulated
Product Specifications

RailQor® Converter & Filter Families

Select from high-density DC-DC converter modules and complementary transient line filters designed for seamless system integration.

Railway DC-DC Converters

Isolated quarter-brick, half-brick, and full-brick modules delivering up to 500W output power with tight voltage regulation, short-circuit protection, and low ripple noise.

Series Input Voltage Power Range Package Size
RailQor 24V 9V – 36V continuous 50W – 100W Quarter-Brick
RailQor 72V/110V 43V – 160V continuous 50W – 250W Half-Brick
RailQor Ultra-Wide 12V – 160V continuous 50W – 500W Full-Brick / Half-Brick

Railway DC EMI Filters

Active transient suppressors and passive filter modules designed to absorb high-voltage line surges (RIA 12 / EN 50155) and bring complete converter setups into full EN 50121-3-2 EMC compliance.

Model Family Input Voltage Current Rating Compliance
MACF-050 0V – 50V continuous 20A max EN 50121-3-2
MQFL-110 0V – 150V continuous 10A max RIA 12 Surge Standard
MTHF-110 0V – 160V continuous 30A max EN 50155 & EN 50121-3-2
System Integration

Key Railway System Applications

Built to operate continuously across passenger trains, high-speed rail, light rail transit (LRT), locomotives, and trackside equipment.

Rolling Stock & Cabin Electronics

Powers driver displays, automated door control, HVAC controllers, brake management systems, and interior LED lighting arrays.

Passenger Information Systems (PIS)

Delivers clean, isolated DC buses to onboard Wi-Fi routers, security surveillance cameras, GPS tracking units, and infotainment monitors.

Wayside Signaling & Telecom

Provides highly reliable power conversion for trackside signal switches, crossing gates, communication nodes, and remote terminal units (RTUs).

Proven Engineering Quality

Why Global Rail OEMs Specify SynQor

With over two decades of power architecture leadership, SynQor maintains strict quality systems to guarantee zero-defect manufacturing and long lifecycle availability.

USA Manufacturing Traceability

All design, qualification, testing, and production take place in SynQor's state-of-the-art AS9100 and ISO-9001 certified facility in Salem, New Hampshire, USA.

Obsolescence Protection

SynQor supports long multi-decade transit infrastructure lifecycles through form-fit-function product continuity and long-term component sourcing strategies.

Direct Engineering Consultation

Access direct support from dedicated thermal, EMC, and electrical application engineers to review hold-up times, thermal derating curves, and custom input surge profiles.

Technical FAQ

Frequently Asked Questions by Railway Engineers

SynQor RailQor® DC-DC converters feature ultra-wide input ranges (including continuous operation from 12V to 160V across continuous ratings) to cover standard railway battery voltages (24V, 48V, 72V, 96V, and 110V) and their EN 50155 transient voltage swings without output voltage disruption.

SynQor rail modules are fully encapsulated to withstand severe thermal cycling, moisture, and mechanical shock and vibration under EN 61373 (Category 1, Class B), RIA 12 surge profiles, and EN 50121-3-2 EMC compliance when paired with SynQor rail EMI filters.

Yes. SynQor offers flexible mounting, thermal baseplate options, and configurable output voltages tailored to global railway OEMs for rolling stock, wayside signaling, cabin controls, and passenger information systems.

Need Custom Railway Power Specifications?

Contact our power architecture team to evaluate your input bus, thermal requirements, and EN 50155 compliance requirements.

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