Certified Power Supplies for Harsh Rail Environments
Aimtec railway DC-DC converters deliver robust performance under the most severe operating conditions. Engineered specifically for rolling stock, locomotives, tramways, and trackside signaling systems, our railway-grade converters withstand high vibration, mechanical shock, extreme thermal fluctuations, and electrical transients.
Our power solutions comply strictly with international railway standards including EN 50155, EN 45545-2 (fire and smoke safety), and IEC 61373. Featuring ultra-wide input voltage ranges (handling nominal 24V, 48V, 72V, 96V, and 110V DC bus inputs), high isolation ratings, and full protective circuits, Aimtec ensures uninterrupted power delivery for critical rail infrastructure.
Key Technical Features for Railway Applications
Built to ensure maximum Mean Time Between Failures (MTBF) and complete compliance with global rail electronics standards.
- Wide Nominal Voltage Coverage: Engineered for standard 24VDC, 48VDC, 72VDC, 96VDC, and 110VDC rail inputs with 4:1 and up to 12:1 ultra-wide input ranges.
- Rugged Encapsulation: Fully potted packages providing superior protection against shock, mechanical vibration, dust, moisture, and high humidity.
- High Galvanic Isolation: Input-to-output isolation ratings up to 3000VAC / 1500VAC to safeguard sensitive downstream control logic.
- Severe Operating Temperatures: Industrial OT4 class rating ranging from -40°C to +85°C without performance degradation.
- Fire & Smoke Compliance: Materials certified to EN 45545-2 standards for enhanced vehicle safety.
- Advanced Protection Mechanisms: Built-in over-current (OCP), over-voltage (OVP), over-temperature (OTP), and continuous short-circuit protection.
- Low Ripple & Noise: Optimized EMI filtering complying with EN 50121-3-2 EMC standard for rail rolling stock.
- Long Service Life: Designed with premium components to ensure high MTBF and long-term project availability.
EN 50155 Railway Converter Series Specifications
Compare key operational specifications across standard board-mount, chassis-mount, and DIN-rail railway power converters.
| Series Name | Power (W) | Input Voltage (VDC) | Output Voltage (VDC) | Isolation (VAC/VDC) | Operating Temp (°C) | Package Type |
|---|---|---|---|---|---|---|
| AM10W-JZ | 10 W | 9 - 36 / 18 - 75 / 40 - 160 | 3.3, 5, 12, 15, 24 | 3000 VAC | -40 to +85 °C | DIP / Chassis Mount |
| AM20W-JZ | 20 W | 14 - 160 (12:1 range) | 5, 12, 15, 24, ±12, ±15 | 3000 VAC | -40 to +85 °C | 1" x 1" Encapsulated |
| AM40W-JZ | 40 W | 14 - 160 (12:1 range) | 5, 12, 15, 24, 48 | 3000 VAC | -40 to +85 °C | 2" x 1" Board Mount |
| AM75W-JZ | 75 W | 40 - 160 (4:1 range) | 12, 15, 24, 48 | 2250 VDC | -40 to +100 °C | 1/4 Brick Package |
| AM100W-JZ | 100 W | 40 - 160 (4:1 range) | 12, 15, 24, 48 | 3000 VAC | -40 to +100 °C | 1/2 Brick Package |
| AM150W-JZ | 150 W | 14 - 160 (12:1 range) | 12, 15, 24, 48 | 3000 VAC | -40 to +100 °C | Enclosed / DIN Rail |
Onboard & Trackside Rail Subsystems
Passenger Information Systems (PIS)
Powers display panels, public address systems, onboard Wi-Fi routers, and infotainment units with clean, surge-protected DC power.
Braking & Door Control
Delivers continuous, redundant power to critical safety actuation circuits, electronic braking control units (EBCU), and automated door systems.
Cab Signaling & Train Control
High isolation modules powering Positive Train Control (PTC), TCMS (Train Control and Management Systems), and radio communication modules.
Trackside Infrastructure
Reliable power for wayside monitoring systems, level crossing barriers, signal interlocks, and sensor network interfaces.
HVAC & Lighting Controls
Stable low-voltage power supply driving environmental control systems, cabin climate sensors, and interior LED lighting controllers.
Battery Management Systems
Isolated DC-DC power converters designed to monitor train auxiliary battery banks and charge auxiliary battery sub-circuits.
Railway Power Supply Selection FAQ
Which international standards do Aimtec railway DC-DC converters comply with?
Aimtec railway converters comply with EN 50155 (Electronic Equipment Used on Rolling Stock), EN 45545-2 (Fire Protection), IEC 61373 (Shock and Vibration testing), and EN 50121-3-2 (Electromagnetic Compatibility for Rolling Stock).
What nominal input voltages are supported for railway applications?
Our converters support standard railway system voltages including 24 VDC, 36 VDC, 48 VDC, 72 VDC, 96 VDC, and 110 VDC. Ultra-wide 4:1 and 12:1 input range models cover multiple nominal battery bus voltages within a single module.
How do Aimtec converters handle voltage surges and transients (RIA 12 / EN 50155)?
Aimtec railway power supplies are designed with internal transient suppression networks capable of withstanding voltage surges up to 3.5 times the nominal input voltage, fulfilling RIA 12 and EN 50155 surge requirements.
Can standard Aimtec railway power modules be modified for custom projects?
Yes. Aimtec offers modified standard derivatives including customized pin-outs, special output voltage trimming, conformal coatings, and integrated heatsink mounting options to fit exact customer mechanical specifications.
Need Technical Guidance for Your Railway Project?
Consult with our senior application engineers to select certified EN 50155 DC-DC converters or request custom derivative designs tailored to your system requirements.
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