Powering a More Sustainable Future
Powerbox is committed to powering a more sustainable future by reducing environmental impact across our entire value chain. Grounded in a five-pillar framework, we are engineering smarter, more compact power solutions to achieve a 20% reduction in emissions by 2030.
Power Decisions That Shape System Success
Discover how power decisions shape system success. Learn why a system-level approach to power architecture reduces risk and strengthens long-term performance.
Rugged Conduction-Cooled AC/DC Power Supplies for Harsh Environments
Modern defense, industrial automation and transportation systems often operate where traditional power supplies fall short, requiring silent, reliable, fan-free solutions that withstand dust, shock, vibration, temperature swings and 24/7 operation.
Will diamond be the ultimate semiconductor?
Diamond is showing potential to outperform both silicon and wide band gap semiconductors in power electronics.
Challenges and Opportunities in Adopting Wide Band Gap Technologies like Gallium Nitride
Wide band gap (WBG) semiconductors like gallium nitride (GaN) advance power electronics with higher efficiency, faster switching, and greater power density, though adoption faces challenges.
PRBX – Powering Progress with Purpose: A Commitment to Sustainability
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.
COSEL Launches Rugged HVDC Converter for Harsh and Demanding Applications
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.
50 years of expertise to power demanding applications
For over five decades, our company has specialized in designing power supplies for challenging applications, honing our expertise through this extensive experience.
COSEL is pleased to announce the launch of COSELSYNC
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.”
Crossing the chasm with success — WBG!
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.
Ecodesign, Reuse, Repair, Prolonging Lifetime and New Technology – Is it the new paradox?
PRBX latest White Paper: “Ecodesign, Reuse, Repair, Prolonging Lifetime and New Technology – Is it the new paradox?”
COSEL’s 3-phase, low-profile, high efficiency power supply delivers 3.5kW to highly demanding applications
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.
POWERBOX’s COTS/MOTS 1000W IP65 rated power supplies are ideal for defense and harsh environments
Powerbox has announced the release of its new ruggedized series, the ECD1000A for ground-based defense applications and harsh industrial environments.
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 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.
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 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.
COSEL GHA700F shortlisted in prestigious Elektra awards
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.
COSEL expands its 3000W low profile power supply series with a 250VDC unit for industrial applications requiring high-speed response
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.
COSEL’s new conduction cooled, fanless 3-phase high efficiency power supply delivers 3.5kW to highly demanding applications
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.
COSEL launches new compact 2”x3” power supply series for demanding medical applications
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.
COSEL adds high power density 700W unit to robust and reliable 3”x5” GHA series power supplies for demanding medical and industrial applications
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.
COSEL adds a 1500W to its robust and reliable PJMA series of power supplies for demanding medical applications
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.
COSEL announces three new DIN Rail power supplies for industrial applications
COSEL Co, Ltd (6905: Tokyo) today announced the launch of three new DIN Rail AC/DC power supplies for industrial applications.
COSEL adds a 800W to its robust and reliable AEA series of power supplies for demanding industrial and medical applications
COSEL Co, Ltd (6905: Tokyo) today announced the introduction of 800W free-air convection cooling power supplies, the AEA800F series.
