Class H Fuses

Class H fuses provide reliable protection for electrical circuits by interrupting the flow of electricity during overloads, short circuits, and ground faults, reducing the risk of electrical fires and equipment damage. Class H fuses are suitable for residential, commercial, and industrial applications. Discover a wide selection of Class H fuses from top brands like Bussmann, Littelfuse, and Mersen at LiveWire Electrical Supply. Explore our offerings to find the perfect fuse for your 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 H fuses used for?

Class H fuses are used for protecting electrical circuits from overloads and short circuits in residential, commercial, and industrial applications.

What is the voltage rating of Class H fuses?

Class H fuses typically have a voltage rating of 250V or 600V, depending on the specific type and application requirements.

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

A Class H 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 the color of the indicator.

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

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

What are the benefits of using Class H fuses?

Class H fuses provide reliable overcurrent protection, are relatively inexpensive, and are available in a wide range of amperages to suit various applications.

Shipping and Returns

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You may return items within 30 days of delivery for a refund. Please view our return policy here.

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We offer one to five-day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s). Please view our shipping policy here.

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We strive to ship out your items within one business day. The shipping process may take up to 5 business days on some occasions. Feel free to contact us if your order is time sensitive. Call (650) 777-0060 or email sales@apxpwr.com for help.

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Class H Fuses

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