EN50155 compliant dc-dc converters target railway applications

EN50155 compliant dc-dc converters target railway applications

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By eeNews Europe

The modules are designed to comply with the EN50155 standard, which specifies input, EMC, mechanical, and environmental requirements.

The internally potted and encapsulated design provides increased system reliability through added protection from environmental factors such as dust, moisture, and shock and vibration.

Offered in industry standard quarter brick and half brick footprints respectively, the 100 W VQB100R series and the 150 W VHB150R series are highly efficient, reaching levels up to 92.5%.  Though the modules are designed primarily for railway applications, the VQB100R and VHB100R series also target designs that may experience high transients, including telecom systems and battery-powered equipment.

The dc-dc converters provide a 3:1 input range of 66~160 Vdc and output voltage options of 5, 12, or 24 Vdc. They are designed to deliver a case operating temperature range of -40°C to 100°C and provide 2250 Vdc I/O isolation.

Protections for over voltage, over current, short circuit, under voltage lockout and over temperature are included. Additionally, all models offer remote on/off control, remote sense, and carry CE and UL/cUL 60950-1 safety certifications.

Availability and Pricing

The VQB100R and VHB150R series are available immediately with prices starting at $119 per unit for 100 pieces.  Please contact CUI for OEM pricing.

Visit CUI at

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