Cosel logo in angular blue typography conveying a tech-focused identity.

Cosel Co Ltd

With a 50-year legacy, Cosel is a premier Japanese manufacturer specialising in AC/DC power supplies, DC/DC converters, and EMI filters. Their extensive portfolio serves a diverse range of industries, including Industrial, Medical, and Railway sectors. Offering ultra-small AC-DC switching supplies capable of accommodating universal AC inputs and delivering power outputs ranging from 3W to 10kW, Cosel's product line includes various form factors such as enclosed type, DIN rail type, open frame type, PCB mount, power modules, and configurable type supplies, ensuring compatibility with different applications. In addition to AC/DC power supplies, Cosel provides an extensive range of DC/DC converters, offering flexibility and efficiency in various configurations, including power module, PCB mount, and POL type, to meet the diverse needs of modern power systems.

Cosel's commitment to innovation and adherence to high industry standards result in efficient and precise power solutions. Leveraging the latest technological advancements, they exceed the evolving demands of the energy sector with a focus on eco-friendly practices, positioning Cosel as a leader in sustainable power technology. Their products are designed to meet contemporary energy needs while supporting sustainable practices, making them a trusted choice in power technology.

The enduring partnership between Powerbox and Cosel spans over 40 years, with Cosel being our inaugural product partner in Australia. Over the years, Cosel products have been seamlessly incorporated into many of our Powerbox value-added designs, including battery chargers and DC-UPS, due to their proven performance and reliability.

Industrial Laser cutter operating on a flat surface.

Cosel offers a diverse range of AC/DC power supplies and DC/DC converters tailored for industrial applications, providing reliable and efficient power solutions for a wide array of industrial equipment. With a comprehensive lineup spanning various power ratings and form factors, including compact modules and PCB mount options, Cosel's products cater to the diverse needs of industrial systems.

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Medical Patient positioned inside a CT scanner with red laser guides aligning for imaging.

Cosel offers a comprehensive range of AC/DC power supplies specifically tailored for the medical industry, comprising 21 models across 7 series with power outputs ranging from 15W to 1200W. These power supplies adhere to the stringent safety standards outlined in the IEC 60601-1 medical electrical equipment standards, ensuring the safety and quality required for medical applications.

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Railway Cityrail trains at a station siding.

Cosel offers a selective range of DC-DC converter modules and POL converters tailored for the rigorous demands of the railway market, meeting the stringent requirements outlined in EN50155.

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Laser cutter operating on a flat surface.

Cosel offers a diverse range of AC/DC power supplies and DC/DC converters tailored for industrial applications, providing reliable and efficient power solutions for a wide array of industrial equipment. With a comprehensive lineup spanning various power ratings and form factors, including compact modules and PCB mount options, Cosel's products cater to the diverse needs of industrial systems.

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