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About us

Founded in 1974, with headquarters in Sweden and operations in 15 countries across four continents, Powerbox serves customers all around the globe. The company focuses on four major markets – industrial, medical, transportation/railway and defense – for which it designs and markets premium quality power conversion systems for demanding applications. Powerbox’s mission is to use its expertise to increase customers’ competitiveness by meeting all of their power needs. Every aspect of the company’s business is focused on that goal, from the design of advanced components that go into products, through to high levels of customer service. Powerbox is recognized for technical innovations that reduce energy consumption and its ability to manage full product lifecycles while minimizing environmental impact. Powerbox is a Cosel Group Company.

About COSEL
Established in Japan 1969, COSEL is one of the world’s leading designers and manufacturers of high performance AC-DC Power Supplies, DC-DC Converters and EMI Filters. With quality, reliability & flexibility as our main focus, we pride ourselves on developing some of the highest quality and most reliable products seen anywhere in the world today. COSEL is a $284m global company employing some 790 staff with sales offices throughout Japan, Asia, Europe and North America.

 

Our products are at the heart of what makes delicate and complex systems tick. We take from volts to kilovolts, and from watts to kilowatts. We’re the people you turn to when you need to keep a high-speed train in motion, when power must be maintained safely underwater or at 36,000 feet, or when someone’s life depends on a steady power supply to a critical medical device.
We are masters of power.

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Head office

Powerbox
Västberga Allé 36A, 5tr
Hägersten, Sweden
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News

COSEL’s PDA series is 100% form, fit and function backwards compatible with the PBA series
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COSEL launches enhanced reliability power supplies for industrial applications

COSEL Co, Ltd (6905: Tokyo) has announced the launch of the PDA series of AC/DC power supplies with further enhanced reliability for industrial applications.

COSEL’s WMA series delivers efficient and reliable power to demanding medical and industrial applications
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COSEL announces launch of wide range of low profile, high efficiency power supplies for medical applications

COSEL Co, Ltd (6905: Tokyo) today announced the launch of a wide range of low profile power supplies for medical applications.

Based on the latest power electronics technologies e.g., GaN, planar-magnetics the COSEL TECS/TEPS 45W and 65W saves up to 58% board space for industrial applications.
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COSEL launches new generation of ultra-compact, high efficiency power supplies for industrial applications

COSEL Co, Ltd (6905: Tokyo) today announced the launch of a new generation of highly compact power supplies for industrial applications, the TE series.

Powerbox’s COTS/MOTS 1200W power supplies ideal for harsh environments
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Powerbox’s COTS/MOTS 1200W power supplies ideal for defense and harsh environments

Powerbox, one of Europe’s largest power supply companies and a leading force for four decades in optimizing power solutions for demanding applications, has announced the release of its new ruggedized 1200W AC/DC power supply for ground based defense applications and harsh industrial environments.

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