CompactPCI power supply for railway applications

Gresham Power Electronics has introduced a 3U high, 300W DC Input CompactPCI power supply suitable for railway and trackside applications.

It is equipped to meet EN50155, as well as UL 60950, EN 60950, EN 61000-4-2, EN55022/CISPR22 Class B with an external TBD line filter and is fully compliant to PICMG 2.11 CompactPCI specification.

The device accepts a DC input in the range from 66 to 160V DC and has four outputs: +5V DC at 30A; +3.3V at 40A; +12V at 5A; and -12V at 0.5A. Maximum total output is 300W with forced air cooling and the power supply is fully protected against output overload, short circuit and over temperature with automatic recovery on removal of overload condition. The operating temperature range is -40 to 70°C at full load with forced air cooling.

For system integrators, full monitoring command and control is available, including remote sense on the two main outputs with maximum voltage compensation for cable losses of 200mV. LED indicators show power good and output failure. Current share is available on outputs 1 and 2 and the power supply is designed for hot-swap operation and has an optional I2C interface.

It measures 129 x 41 x 162.5mm.