SL Power’s MU425S AC/DC power supply targets medical equipment

April 21, 2016

Ventura, CA. SL Power Electronics today announced its 425-W single output MU425 Series AC/DC power supply. This latest offering addresses the complexity and unique power needs of healthcare systems such as surgical equipment, home healthcare therapeutic devices, and imaging equipment as well as other critical medical applications that require clean, reliable power.

Compact and efficient—up to 90%—the MU425S models are approved to CSA/EN/IEC/UL60601-1, 3rd Edition 2-MOPP (means of patient protection) isolation. In addition, for home healthcare devices and equipment, the new power supplies meet EN61000-4-2, EN61000-4-3, and EN61000-4-6.

The MU425S models measure only 3 x 6.2 x 1.62 inches, for compact 1U high (1.75-inch) applications. The MU425S provides 300 W with convection cooling or 425 W with forced air. Designed with high levels of electromagnetic compatibility (EMC) and electromagnetic interference (EMI) protection, these new models offer a -10°C to 70°C operating temperature range and will start up at a low -40°C, providing optimum thermal performance and eliminating the need for a costly heating element. Compliant to heavy industrial levels of the IEC61000-4 standards for EMC immunity and Class B Conducted EMI with 6-dB margin, the MU425S models have over 350,000 hours mean time between failure (MTBF) and use long life (>7 years) electrolytic capacitors in their design.

“Our new MU425S AC/DC power supply family is the perfect solution for design engineers needing maximum power performance for critical medical applications,” said Cochise Mapa, director, global product management. “SL Power is a global leader in medical power, and our engineers have developed the MU425S to meet the exacting requirements of today’s medical devices—ensuring the highest level of patient protection, efficiency, and performance in a small form-factor.”

There are four models in the family, featuring a universal input range of 90 to 264 VAC and outputs of 12 V, 18 V, 24 V and 48 V. In addition, isolated 12-V/1-A fan output and 5-V/2-A standby voltage are standard offerings of the new family. All models are CE marked to low-voltage directive and approved to ITE standards of IEC/UL/EN60950 and CSA C22.2, 2nd edition.

Featuring a three-year warranty, the MU245S models are available now through SL Power’s distribution sales channels. Pricing starts at $145 each in OEM quantities.

www.slpower.com

About the Author

Rick Nelson | Contributing Editor

Rick is currently Contributing Technical Editor. He was Executive Editor for EE in 2011-2018. Previously he served on several publications, including EDN and Vision Systems Design, and has received awards for signed editorials from the American Society of Business Publication Editors. He began as a design engineer at General Electric and Litton Industries and earned a BSEE degree from Penn State.

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