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Featured Product from Littelfuse, Inc.

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At the Heart of Electrical Systems, Fuses Keep Operations Live
All electrical systems eventually experience overcurrents, which can cause damage to system components, insulation, conductors, and equipment. In this technical paper, Littelfuse shares its expertise in this field and goes over everything you need to know to make decisions about which fuse is best for your application.
  • Overcurrents and optimum overcurrent protection
  • Fuse characteristics and features
  • Fast-acting fuses, high-speed fuses, and time-delay fuses
  • Fuse block selection considerations
  • Selective coordination
  • UL and CSA fuse classes


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About Littelfuse
Expertise Applied, Answers Delivered.
Littelfuse products are vital components in virtually every market that uses electrical energy, from consumer electronics to automobiles, commercial vehicles and industrial equipment. Our history of innovation, proven technical expertise and the industry’s broadest and deepest portfolio of circuit protection products enable us to provide objective, comprehensive solutions for each customer’s unique needs. We are also expanding into adjacent markets that complement our core business including power distribution centers for mining operations, generator controls and protection for marine applications, heavy-duty switches for commercial vehicles and electromechanical sensors used in the automotive industry.

Littelfuse is the preferred brand for leading manufacturers around the world, with more than 40 sales, manufacturing and engineering facilities and a global network of distribution channels.