Cooled by long life built-in fans and by conduction, the units are rated for full specification at a 0ºC to 50ºC temperature range; extended temperature ranges are also possible with de-rating. The calculated MTBF of the units is 130,000 hours at 45oC, with demonstrated figures expected to be significantly higher.
These rugged converters meet EN61373/IEC61373 shock and vibration standards. The units are filtered to meet EN 55022 Class A EMI. Output ripple/noise is less than 1% peak-to-peak and combined line/load regulation of less than ±1% from zero-load to full load. Protection includes inrush current limiting, reverse polarity protection and continuous current limiting with short-circuit protection with no hiccup. Efficiency is typically 85% at full load.