The converters for wall mounting and 19” racks have an ultra-wide input voltage range between 14,4 and 154VDC with a power of 150 Watt. So one single converter suits for all international on-board power supply voltages for rail vehicles (24V, 36V, 72V and 110V) includ-ing the tolerance range of +/- 40% required according to EN 50155.  This ultra-wide voltage range is an optimum solution for companies acting Europe-wide offering them the chance to qualify components cost-efficiently with one single converter.

With regard to temperature, shock, vibration and the railway-specific EMC criteria according to EN50121-3-2, as well as radiated emissions, surge, burst and ESD strict compliance with EN50155 is provided with-out additional components. Further, the converter has an integrated hold up time of 10 ms (class S2), which makes the powerful converter really unique. A high efficiency between 89...91% allows the HEC150W to run without any derating within the temperature range of -40...85°C according class TX.

Standard features are inrush current limitation as well as excess voltage and excess temperature protection, in addition, the converter is open-circuit stable and continuously short-circuit proof. The power supplies suits for redundant connection for safety-critical applications. A LED on the front panel indicates the operational readiness.

The chosen PCB material was based on the experience of fire & smoke tests according to EN45545-2.

The converter can be ordered now, available are both version with 24VDC out. Other outputs will be available on request.


Technical Data:

Internal Part Numberhfc150
Market SectorRailway Certified
Efficiencyup to 91%
Operating Temperature Range-40 to +85 degC
Output PowerUp to 150W
Input Voltage24, 36, 48, 72, 96, 110V

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