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Convection-Cooled AC/DC Power Supplies have medical approvals.

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Convection-Cooled AC/DC Power Supplies have medical approvals.
Convection-Cooled AC/DC Power Supplies have medical approvals.

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November 14, 2012 - Measuring 5 x 3 x 1.4 in., 250 W MVAC250 and 400 W MVAC400 are open-frame, single-output power supplies that accommodate 90–264 Vac universal input, offer active PFC and active inrush control, and offer nominal output voltages of 12, 24, or 50 Vdc. Additional 12 Vdc, 1 A fan supply and auxiliary 5 Vdc, 2 A output are also included. Delivering efficiency ratings up to 94% efficient, MVAC250 and MVAC400 can deliver respective output of up to 170 and 250 W without forced air flow.

(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press Release

Murata Power Solutions
11 Cabot Blvd.
Mansfield, MA, 02048
USA



Murata Introduces 3" x 5" 250 W and 400 W AC-DC Power Supplies with Medical Approvals; Convection-Cooled Operation up to 250 W


Hoofddorp, Netherlands: Murata today announced the MVAC series of highly efficient, typically up to 94%, 3 x 5” open frame AC-DC power supplies from Murata Power Solutions. Suitable for use in a wide variety of industrial factory automation, communications and medical equipment, the series comprises two single output models, the 250 Watt MVAC250 and the 400 Watt MVAC400 units. Both models accommodate the universal AC input voltage range from 90 to 264 VAC with active power factor correction (PFC) and active inrush control.  Each model is available with a popular nominal output voltage of 12, 24 or 50 VDC. In addition, a 12 VDC 1 A fan supply and an auxiliary 5 VDC 2 A output are provided across the range.

Packaged in an industry standard 1U open frame format measuring just 127.00 x 76.20 x 35.56 mm (5 x 3 x 1.4 inches), these low profile power converters have significantly better convection cooled performance characteristics than other competing designs. The MVAC250 can deliver up to 170 W output and the MVAC400 up to 250 W without the need for any forced air flow. With their high convection-cooled ratings, the use of the MVAC series allows OEMs to eliminate fan and fan controllers in their traditional power designs. This saves cost and reduces power packaging volume requirements. Removing cooling fans also allows designers to increase their product MTBF while decreasing system noise.

The MVAC250 and the MVAC400 comply with the internationally recognized UL60601-1 3rd edition medical safety standard making them suitable for use in medical applications. The units also meet the IEC60950/UL60950 safety specifications and EN55022 standard for conducted emissions.

Each power supply is suited for use in a broad range of operating temperature environments. They are capable of operating on full power from -10 to +50 degrees C with a start-up temperature down to -20 degrees C and derated operation up to 70 degrees C

Protection features include over voltage, over current, and over temperature. A remote sense input and power OK signal are provided across the range. Optional droop current sharing allows multiple supplies to be operated in parallel.

For further information and reader enquiries:
Aya Tonooka, Murata Europe Limited. Oak House, Ancells Road, Ancells Business Park, Fleet, Hampshire  GU51 2QW , United Kingdom

Tel: +44 (0) 1252 811666  E-mail: atonooka@murata.co.uk
Fax:  +44 (0) 1252 811777  Web: www.murata.eu

Agency contact:
Robert Huntley, Publitek Limited, 18 Brock Street, Bath, BA1 2LW, United Kingdom

Tel: +44 (0) 1225 470000  E-mail: robert.huntley@publitek.com
Fax:  +44 (0) 1225 470047  Web: www.publitek.com

About Murata
Murata is a leading manufacturer of electronic components, modules, and devices. The complete range of this Ceramics Technology house includes ceramic capacitors, resistors/thermistors, inductors/chokes, ceramic resonators, buzzers, sensors and EMI suppression filters. Whilst the company gets 40% of its revenue from its ceramic capacitor products, it is also the world leader in Bluetooth WiFi Modules, and a key manufacturer of power supplies. Murata also designs and manufactures mobile handset antenna families, piezoelectric actuators for fuel injection systems, short focal length ceramic lenses and speaker products.

Established in 1944, Murata is headquartered in Japan and has European offices in Germany, the Netherlands, the UK, Switzerland, Italy, France, Spain, Denmark, Sweden, Finland and Hungary.

For more information on Murata, please visit: www.murata.eu. You can also follow us on Twitter @MurataEurope or LinkedIn http://www.linkedin.com/company/murata-electronics, or join us on Facebook at http://www.facebook.com/MurataElectronics.
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