
Power When You Need It
CUI Inc brought an extensive range of AC-DC power supplies and DC-DC converters the strengthen the Bel product offering expanding our ability to serve the consumer, IoT, industrial, and medical sectors.
Established in 1989, CUI joined Bel through acquisition in 2019. Since their founding CUI was known for the engineer focused approach and exceptional technical resources. This has helped Bel as we continue to grow in our ability to serve our customers.

Our Products
Customizable Power Adapters
CUI offers a versatile range of customizable wall plugs and desktop power adapters. We provide comprehensive support to ensure your power supply integrates seamlessly into your product design, providing options for branding, mechanical, and electrical modifications. Customize Now
Desktop & Wall Plug Adapters
Our external AC-DC power supplies come in a variety of wall plug and desktop adapter configurations. With a full suite of safety approvals and high efficiency, CUI external power supplies are designed to keep your products running at peak performance. View Products
AC-DC Converters
Available in a variety of wall plug and desktop adapter configurations, CUI’s line of external AC-DC power supplies serve varied markets including consumer and medical. Offering a full suite of safety approvals and high efficiency, our external power supplies are designed to keep your products running at peak performance. View Products
DC-DC Converters
Focused on quality and expertise, our DC-DC converter line provides a diverse selection of package configurations, input and output voltage options, protections, and special features. View Products

Power Products Tailored to Your Needs
The range of CUI products includes AC-DC power supplies and DC-DC converters, featuring desktop adapters, wall plug adapters, custom adapters, board mount, and chassis mount options.
Discover our customizable power solutions, tailored to seamlessly integrate into your product design. If an off-the-shelf product won’t meet your need, our team can modify a solution to meet your specifications.