Littelfuse

RSP Supply is proud to be your trusted Littelfuse distributor, offering the industry’s most comprehensive range of circuit protection and power control products. Littelfuse is a global leader in electrical safety, surge protection, and sensing technology, known for delivering reliable solutions that protect critical systems from overcurrent, overvoltage, and electrical faults.

Our catalog includes a wide selection of Littelfuse fuses - including blade fuses, cartridge fuses, surface-mount fuses, and resettable fuses—as well as fuse holders, temperature sensors, relays, semiconductors, and surge suppression devices. These products are engineered for consistent protection and performance in industrial, automotive, and commercial applications.

At RSP Supply, our goal is to help you choose the right Littelfuse products for your system’s unique requirements. Whether you’re protecting sensitive electronics, ensuring compliance with electrical codes, or improving system uptime, we provide the expertise and support to help you implement safe, efficient solutions.

Products

Littelfuse offers a wide variety of fuses, including: blade fuses, cartridge fuses, surface mount fuses and resettable fuses. See our full line of Littelfuse Fuses here.

FAQs – Littelfuse Circuit Protection Products

1: What types of Littelfuse fuses does RSP Supply offer?
We carry a full line of Littelfuse fuses, including blade, cartridge, surface-mount, and resettable fuses, designed for both industrial and electronic applications.

2: What industries use Littelfuse products?
Littelfuse products are used in automotive, industrial automation, energy, consumer electronics, and power distribution systems around the world.

3: What makes Littelfuse products stand out?
Littelfuse is known for innovative circuit protection technology, ensuring safety, reliability, and compliance with international electrical standards.

4: Does RSP Supply offer support for selecting the right Littelfuse product?
Yes. Our technical team provides personalized assistance in selecting and specifying Littelfuse products that best fit your system’s power and safety needs.

5: Are Littelfuse products suitable for both AC and DC systems?
Absolutely. Littelfuse manufactures fuses and protection devices for both AC and DC circuits, covering low- and high-voltage applications.Littelfuse offers a wide range of circuit protection products to serve virtually every market. Our objective is to provide the latest technology to meet our customer’s unique needs. With Littelfuse products, you can rely on transient overvoltage protection and fuse holders that ensure the safe operation of your electrical systems.