Wall mounted 30W medical AC-DC supply meets upcoming standards

August 28, 2020 //By Nick Flaherty
Wall mounted 30W medical AC-DC supplies meet upcoming standards
The WMM30 series of 25 to 30W medical wall mount AC-DC power supplies from TDK are certified for the latest safety and energy efficiency standards

TDK has launched a series of wall mounted 30W power supplies for the upcoming energy efficiency standards.

The WMM30 series of 25 to 30W medical wall mount power supplies are certified to the medical safety standards IEC 60601-1 and EN 60601-1-11 and compliant to EN 60601-1-2 Edition 4 for EMC, the products have a Class II input requiring no earth ground. The WWM30 also meets the EU Tier 2 ((EU) 2019/1782) and DoE Level VI efficiency standards. The series is suited for home healthcare, hospital, clinical, dental and life sciences applications for monitoring, imaging and diagnostic equipment.

Six popular output voltages are available; 5V, 9V, 12V, 15V, 18V and 24V and the WMM has a wide 80 to 264Vac input. The units have four interchangeable AC input plugs suitable for Europe, North America, the UK and Australia, which are sold separately. The output cable is terminated with a straight 5.5 x 2.1 x 12mm (OD x ID x L) connector, with other types of connectors and cable assemblies available on request.

To meet the EU and US efficiency standards, the series has an average efficiency level of >85 percent to >87.7 percent and an off-load power consumption of <75mW. The rugged plastic enclosure is vent-free (IP22) and measures 96.7mm in length, 58mm in width and 43.25mm in depth. The WMM30 operates in ambient temperatures of -25 to 70°C, derating linearly to 50 percent load from 40 to 70°C.

The WMM30 is certified to IEC/ES/EN 60601-1, meets IEC 60335-1 (Household Appliances) and carries the CE mark for the Low Voltage, EMC and RoHS Directives. The input to output isolation is 4,000Vac (2 x MOPP) and the leakage current less than 50µA. The series complies with the EN 55011 (Class B) and EN 60601-1-2 Ed4 EMC standards.

www.emea.lambda.tdk.com/wmm

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