Power Electronics
external power supplies

Medical 150W and 225W Power Supplies

Powerbox introduces the EXM150 and EXM225 series of 150 and 225W external power supplies for type BF medical applications. With their sturdy domed shape they do have the look, but the enclosure is much more about functionality than it is about pleasing the eye. The units fit equally well for wall mount, desktop, or floor-top placement. A changeable AC cable with ISO10651-2:2004 locking brings compatibility with any type of outlet, while a changeable DC cable brings connector adaptability to any load. IP21 protection class enables use in critical medical environments. With a leakage current of <100µA, and full compliance with all requirements for medical type BF applications, output voltages of 12, 15 or 24VDC, and an input range of 100-240VAC, these power supplies are ideal for a large number of medical applications worldwide. Using Powerbox' one step conversion topology, where power factor correction, isolation and regulation are combined in one conversion step, the component count stays below 120. This contributes to an efficiency of 93%, zero load power of <0.3W, and an MTBF of >400,000h. Another important contributor to a long and trouble-free life is the intelligent over-temperature protection, regulating output power in the case of over temperature. In addition to increased life expectancy this function increases the sustainability to short-term overload and reduces the risk of over-temperature shut down.

External power supplies are always potential money savers by means of removing space requirement, heat generation, EMC emission, etc. from the application, offering a substantial reduction in development time and cost. With the high operation reliability, long life expectancy, high efficiency, one version for global use, and technical data to fit demanding medical type BF applications, the EXM150 and EXM225 series brings this money saving potential much further.

The EXM150 and EXM225 series meet electrical safety IEC60601-1 Edition 3, EMC EN55011 class B, class II isolation, and IEC60601-1-11 for home care applications. They also meet environmental CEC Level 5, RoHS, REACH and WEEE.

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