About us
50+ years of engineering high-reliability power conversion systems for mission-critical applications worldwide.
Powerbox (PRBX) designs and manufactures advanced power conversion systems for demanding, mission-critical applications where reliability cannot be compromised.
Founded in Sweden in 1974 and operating across 15 countries on four continents, we combine over 50 years of engineering expertise with a portfolio of more than 3,500 proven AC/DC and DC/DC power conversion designs, many featuring decades of field heritage.
Serving the defense, industrial, medical, and transportation markets, Powerbox delivers power solutions ranging from proven off-the-shelf products to value-added, semi-custom, and fully custom designs. By combining deep application knowledge with proven power conversion technologies, we help OEMs and system integrators solve complex power challenges and ensure reliable operation in demanding environments.
At the heart of Powerbox is a commitment to engineering reliable power. Working closely with customers throughout the product lifecycle, Powerbox develops solutions that meet stringent performance, safety, and reliability requirements while supporting long-term system availability. From industrial automation and medical devices to transportation infrastructure and defense systems, Powerbox power conversion solutions are designed to perform when reliability matters most.
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Powerbox
Västberga Allé 36A, 5tr
Hägersten, Sweden
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Powerbox to exhibit at FSI-messa 2026
Powerbox will be exhibiting at FSi-messa 2026, taking place at NOVA Spektrum, Lillestrøm, Norway, on 25-26 August. As Norway’s leading meeting place for the defense and security industry, FSi-messa brings together industry leaders, government representatives, defense organizations, technology innovators and key stakeholders to exchange knowledge, strenghten partnerships and explore future capabilities. At Powerbox, we deliver […]
Laboratory Testing Regimens for Advanced Power Design
Displacing reliable silicon technology requires more than smart schematics; it demands rigorous, transparent laboratory testing. Learn how Powerbox utilizes multi-layered testing pipelines, 1,000-hour HTRB stress testing, and system-level aging to minimize the risks of early technology adoption in medical and industrial environments.
Verifying Wide Bandgap Semiconductor Reliability for Critical Applications
In the power electronics sector, efficiency upgrades are only valuable if they come with long-term reliability. For engineering teams deploying hardware in rugged industrial, defense, and mission-critical medical settings, understanding component-level validation data through JEDEC, EPSMA, and PSMA frameworks is the ultimate way to de-risk a project.
Navigating the Legacy Compliance Gap in Modern Power Design
As wide band gap technologies redefine power densities, legacy compliance frameworks like IPC-9592B are creating an architectural bottleneck. Discover how independent designers navigate the modern compliance gap.
