In a world increasingly shaped by the urgent need for climate action and social responsibility, PRBX (Powerbox) is a shining example of how industrial technology companies can lead with purpose. From the very beginning, PRBX has embedded sustainability into its core mission—not just as a corporate responsibility, but as a foundational pillar of its innovation and long-term strategy.

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COSEL has just unveiled the full-brick DCS1400B, an incredibly robust, high-efficiency, high-voltage DC/DC converter (HVDC converter) delivering up to 1400W, that is perfect for harsh environments and rugged applications.

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For over five decades, our company has specialized in designing power supplies for challenging applications, honing our expertise through this extensive experience.

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On April 30, 2024, COSEL Co. (COSEL), Ltd. entered into a capital and business alliance agreement with LITE-ON TECHNOLOGY CORPORATION (LITEON) and has been promoting business collaboration under the joint vision of COSEL and LITEON to “Become a Worldwide Leading Brand in Standard Power Solution.”

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Subsea power electronics design demands extreme reliability making it one of the most technically challenging and rapidly evolving fields in power systems engineering.

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Radio communications play a critical role in modern defense systems, enabling real-time coordination, situational awareness, and command-and-control capabilities across a wide spectrum of operations.

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For the power designer, any new technology that improves performance while making products smaller and more energy efficient is a very exciting concept — we’re talking holy grail territory.

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Laser equipment in medical applications require highly reliable and safe power supplies that can deliver very high peak energy levels to the laser or discharge tubes.

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Modernization of railways is done basically with an objective to run existing and new trains at faster speeds safely and to give better customer service to rail users.

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PRBX latest White Paper: “Ecodesign, Reuse, Repair, Prolonging Lifetime and New Technology – Is it the new paradox?”

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COSEL Co, Ltd (6905: Tokyo) today announced the launch of the HFA3500TF, a low-profile 3-phase, 3-wire 3500W AC/DC enclosed power supply design optimized for industrial equipment such as semiconductor manufacturing, laser processing machines and robotics.

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Powerbox has announced the release of its new ruggedized series, the ECD1000A for ground-based defense applications and harsh industrial environments.

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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.

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

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

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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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COSEL Co, Ltd (6905: Tokyo) today announced its open-frame high power density, 700W, 3×5 inch power supply optimized for efficient cooling for use in demanding medical and industrial applications has been shortlisted at the prestigious Elektra Awards.

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Cosel Co, Ltd (6905: Tokyo) today announced the addition of a 3000W AC/DC enclosed power supply with an adjustable output voltage from 100VDC to 350VDC for industrial applications requiring a fast output voltage response.

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COSEL Co, Ltd (6905: Tokyo) today announced the launch of the HCA3500TF, a fanless 3-phase / 3-wire 3500W AC/DC enclosed power supply, design optimized for industrial equipment such as high-frequency amplifiers, laser processing machines and robotics.

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COSEL Co, Ltd (6905: Tokyo) today announced the expansion of its medical power offering with the addition of the new UMA series, the first two models being the 30W UMA30F and the 60W UMA60F.

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COSEL Co, Ltd (6905: Tokyo) today announced the introduction of its new open-frame high power density, 700W, 3×5 inch power supply optimized for efficient cooling for use in demanding medical and industrial applications.

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COSEL Co, Ltd (6905: Tokyo) today announced the expansion of its medical power offering with the addition of a 1500W version to its PJMA series.

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COSEL Co, Ltd (6905: Tokyo) today announced the launch of three new DIN Rail AC/DC power supplies for industrial applications.

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COSEL Co, Ltd (6905: Tokyo) today announced the introduction of 800W free-air convection cooling power supplies, the AEA800F series.

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COSEL Co, Ltd (6905: Tokyo) today announced the addition of a new series of high isolation 6W DC/DC converters for medical, industrial and ICT applications.

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Powerbox has announced the release of the 1200W rated OFI1200A AC/DC power supply for industrial applications.

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Cosel Co, Ltd (6905: Tokyo) today announced the addition of two open frame compact power supplies for demanding industrial applications to its LHA series.

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COSEL Co, Ltd (6905: Tokyo) today announced the expansion of its medical power offering with the addition of a 300W version to its PJMA series.

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Powerbox has announced the release of a new 700W power supply for industrial applications, the OFI700A. Optimized for conduction cooling, the OFI700A delivers high performance levels across a baseplate temperature range of -40 to +95 degrees C, without the use of a fan.

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COSEL Co, Ltd (6905: Tokyo) today announced the introduction of 1,000W free-air convection cooling power supplies, the AEA1000F series.

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