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AD-DC Power Supplies for Medical Designs

CUI’s Power Group has announced five new open frame series, ranging from 180 W up to 550 W, to its line of internal ac-dc medical power supplies. Certified to the medical 60601-1 edition 3.1 safety standards for 2 x MOPP applications and 4th edition EMC requirements, the VMS-180, VMS-225, VMS-275, VMS-350, and VMS-550 series feature high efficiency up to 94% and high power densities up to 30 W/in3. The new models are housed in 2 x 4 inch (50 x 101 mm) and 3 x 5 inch (76 x 127 mm) packages with profiles measuring as low as 0.75 inches (19 mm), providing a compact, high density solution for medical diagnostic equipment, medical monitoring devices and dental applications.

high-density-medical-printAll of the new VMS series provide output voltage options from 12 VDC to 58 VDC, feature wide universal input voltage ranges from 80 to 264 VAC and offer no-load power consumption as low as 0.5 W. The 180 W to 550 W models also carry an input to output isolation of 4200 Vac with leakage current ratings as low as 0.3 mA at 230 VAC. Operating temperatures range at full load from -40°C up to +50°C with forced air cooling, derating to 50% load at +70°C.

Additional features include protections for over voltage, over current, and short circuit, power factor correction, and a 12 VDC / 500 mA fan output. These medical power supplies further meet EN 55011 Class B limits for conducted and radiated emissions and achieve an MTBF of 3.37 million hours, calculated per Telcordia SR-332 Issue 3. The VMS series are available immediately with prices starting at $108.94 per unit at 25 pieces through distribution.

CUI | www.cui.com

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AD-DC Power Supplies for Medical Designs

by Circuit Cellar Staff time to read: 1 min