So one single converter suits for all international on-board power supply voltages for rail vehicles (24 V to 110 V) including the tolerance range of +/- 40 % required according to EN 50155.
This ultra-wide voltage range is an optimum solution for companies offering one product as European solution.
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 without additional components. Further, the converter has an integrated hold up time of 1 ms (class S2). Two small gap filler at the bottom of the PCB acould be used for heat transfer to the case. A high efficiency up to 92 % allows the HEC50 to run without any derating within the temperature range of -40 °C up to 85°C according class OT4.
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 chosen PCB material was based on the experience of Fire & Smoke tests according to EN45545-2.
Available are versions with 12 V or 24V output.
| Vin/V min. - max. | Vout/V | Iout/A | Type | Order number |
|---|---|---|---|---|
| 14,4 - 154 | 12,0 | 4,2 | HFC50-W/O | 87661201124 |
| 14,4 - 154 | 24,0 | 2,1 | HFC50-W/O | 87662401129 |
| 14,4 - 154 | 12,0 | 4,2 | HFC50-W/G | 87661201157 |
| 14,4 - 154 | 24,0 | 2,1 | HFC50-W/G | 87662401153 |
