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Class L Fuses

Class L fuses offer superior protection for electrical circuits by interrupting the flow of electricity during overloads, short circuits, and ground faults, thereby minimizing the risk of electrical fires and equipment damage. Class L fuses must be replaced after a fault occurs, ensuring continuous reliability and safety. Class L fuses are suitable for high-current industrial applications and are available in a range of amperage ratings. Discover a wide variety of Class L fuses from top brands like Bussmann, Littelfuse, and Mersen at LiveWire Electrical Supply. Explore our offerings to find the perfect fuse for your high-current protection needs.
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Frequently Asked Questions

LiveWire Electrical Supply is your trusted source for hard-to-find electrical supplies, offering a wide selection of circuit breakers, fuses, safety switches, and industrial control products—all ready to ship the same day. With real-time stock and price checks, you can easily find what you need at competitive prices, whether for residential, commercial, or industrial projects. Our experts are available to assist with part identification and technical support, while our expedited shipping options and free UPS Ground shipping on qualifying orders ensure fast delivery. For 24/7 assistance and personalized support, call 1-650-692-0700.

What are Class L fuses used for?

Class L fuses are used for protecting electrical circuits from overloads and short circuits in high-current industrial applications.

What is the voltage rating of Class L fuses?

Class L fuses typically have a voltage rating of 600V AC, suitable for a wide range of high-voltage applications.

How do I know if a Class L fuse needs to be replaced?

A Class L fuse needs to be replaced if it has blown, which is usually indicated by a visible break in the fuse element or a change in color of the indicator.

Can Class L fuses be used interchangeably with other fuse classes?

No, Class L fuses should not be used interchangeably with other fuse classes, as they have specific ratings and characteristics. Always use the fuse type recommended by the equipment manufacturer.

What are the benefits of using Class L fuses?
Class L fuses offer high interrupting ratings, reliable protection for high-current circuits, and are designed to handle large fault currents, making them ideal for heavy-duty industrial applications.

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