Low profile, high efficiency power supplies for medical applications from Cosel

Cosel have announced the launch of a wide range of low profile power supplies for medical applications. The WMA series includes two families, the WMA-F and the WMA-H. The WMA-F has a universal input range of 85 to 264VAC and is available in three power levels, 35, 75 and 100W. Designed for medical systems integration the WMA-H is available in two power levels, 150 and 350W, and in two ranges of input voltage that is switch selectable.

The overall WMA series complies with international safety standards for demanding medical applications and features an isolation grade of 2MOPP (IN/OUT) and 1MOPP (IN/FG). Based on a robust platform using the latest power switching technologies, the units’ design is optimised to offer an excellent price/performance ratio for medical applications requiring a high quality power solution. The WMA series is also suitable for demanding industrial fix applications requiring high isolation such as specified in Over Voltage Category III. The WMA-35-75-100F and WMA-150H are design optimized for convection cooling whilst the WMA-350H includes a fan for additional cooling and performance in demanding applications.

Medical applications are requiring robust and highly reliable power supplies that are able to operate around the world and comply with many different safety regulations. Also, new equipments require power supplies to have a height measurement less than 1U (44.45mm – 1.75 inches). In order to accommodate this slim profile adopted by the medical industry manufacturers, the WMA series has a height of just 30mm. Based on many years of expertise, COSEL’s power designers have developed an optimized platform offering an excellent price/performance ratio without compromising on quality and reliability. Combining a standardized platform and best practices in power and thermal management, the WMA series achieves a high efficiency level of up to 91% at high line, and utilizing a limited number of components that contribute to higher reliability and reduced cost. The WMA series has also been designed for industrial applications such as semiconductors manufacturing equipment, complying with Semiconductor Processing Equipment Voltage Sag Immunity SEMI F47 and fix applications required to meet Over Voltage Category III.

The combination of small size, excellent cost/performance ratio and high quality make the WMA series the ideal power solution for demanding applications not only in the medical field but also for test and measurement and industrial applications including household and similar electrical appliances.

The WMA series has an excellent five-year warranty and conforms to the European RoHS and Low Voltage Directives.


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