
Powerbox International AB.

PRBX recognises the unique demands of defence applications, known to be among the most rigorous in the world. Designing power systems for this sector requires an intricate understanding of complex performance requirements, rigorous testing standards, and extreme environmental conditions.
Expectations for reliability soar to unprecedented heights amidst harsh environments and aggressive size, weight, and power profiles. Leveraging over four decades of experience and a commitment to innovation, PRBX excels in meeting these challenges head-on.
Our defence capabilities encompass a wide range of solutions engineered to withstand the harshest conditions while delivering reliable performance. From compact and lightweight designs to robust and resilient power systems, PRBX is dedicated to providing the defence industry with critical power solutions.
PRBX's 'Defence Line' embodies our commitment to the defence sector, offering a suite of standard products designed to meet MIL-STD requirements. From single and multi-output AC/DC power supplies ranging from 150W to 1200W to DC/DC converters with wide input ranges from 150W to 500W, our products are trusted to deliver uncompromising reliability and performance in defence applications.
Leveraging decades of experience and a dedication to innovation, PRBX combines standard building blocks into optimised solutions, ensuring operational readiness and superiority in the most demanding defence scenarios. With PRBX, defence forces can rely on battle-tested power solutions that meet the highest standards of reliability, resilience, and efficiency.


Powerbox International (PRBX) specialises in providing robust power solutions tailored for the transportation industry, addressing the unique challenges presented by moving non-controlled environments. With over 40 years of experience in designing and delivering transportation power supplies, our expertise extends across railway, marine, and automotive sectors.
Railway: Powerbox understands the complexities of ensuring a stable and reliable power supply system in the railway industry, which must adhere to numerous international standards and regulations. Our railway power solutions are meticulously designed to comply with these requirements, guaranteeing sustainable power for all applications. Whether for rolling stock or trackside applications, our solutions meet the demanding reliability standards of the industry. From propulsion systems to passenger cabins and signaling controls, our extensive experience and enviable reputation ensure reliability and efficiency throughout the railway ecosystem.
Automotive: In the industrial automotive sector, flexibility and reliability are paramount across diverse applications such as buses, trucks, forklifts, and emergency vehicles. PRBX's automotive power solutions are engineered to meet these demands, incorporating state-of-the-art power switching technology to minimise power dissipation and ensuring reliability and longevity. Our range of automotive power supplies encompasses AC/DC, DC/AC, and DC/DC solutions, offering a wide range of voltages and power outputs to suit various automotive applications.
Trust PRBX to deliver sustainable power solutions for transportation, designed to withstand the rigours of operation and ensure reliability and performance in any environment.

PRBX recognises the unique demands of defence applications, known to be among the most rigorous in the world. Designing power systems for this sector requires an intricate understanding of complex performance requirements, rigorous testing standards, and extreme environmental conditions.
Expectations for reliability soar to unprecedented heights amidst harsh environments and aggressive size, weight, and power profiles. Leveraging over four decades of experience and a commitment to innovation, PRBX excels in meeting these challenges head-on.
Our defence capabilities encompass a wide range of solutions engineered to withstand the harshest conditions while delivering reliable performance. From compact and lightweight designs to robust and resilient power systems, PRBX is dedicated to providing the defence industry with critical power solutions.
PRBX's 'Defence Line' embodies our commitment to the defence sector, offering a suite of standard products designed to meet MIL-STD requirements. From single and multi-output AC/DC power supplies ranging from 150W to 1200W to DC/DC converters with wide input ranges from 150W to 500W, our products are trusted to deliver uncompromising reliability and performance in defence applications.
Leveraging decades of experience and a dedication to innovation, PRBX combines standard building blocks into optimised solutions, ensuring operational readiness and superiority in the most demanding defence scenarios. With PRBX, defence forces can rely on battle-tested power solutions that meet the highest standards of reliability, resilience, and efficiency.
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