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RK1 Fuses

RK1 fuses deliver robust protection for electrical circuits by interrupting the flow of electricity during overloads, short circuits, and ground faults, significantly reducing the risk of electrical fires and equipment damage. RK1 fuses need to be replaced after a fault occurs, ensuring dependable performance and enhanced safety. RK1 fuses are designed for industrial and commercial applications and come in various amperage ratings. Discover a comprehensive selection of RK1 fuses from trusted brands like Bussmann, Littelfuse, and Mersen at LiveWire Electrical Supply. Explore our offerings to find the ideal fuse for your application 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 RK1 fuses used for?

RK1 fuses are used for protecting electrical circuits from overloads and short circuits in industrial and commercial applications.

What is the voltage rating of RK1 fuses?

RK1 fuses typically have a voltage rating of 250V or 600V, making them suitable for a wide range of electrical systems.

How do I know if an RK1 fuse needs to be replaced?

An RK1 fuse needs to be replaced if it has blown, which can be identified by a visible break in the fuse element or a change in color of the indicator.

Can RK1 fuses be used interchangeably with other fuse classes?

No, RK1 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 RK1 fuses?
RK1 fuses provide high interrupting ratings, reliable overcurrent protection, and are available in various amperage ratings, making them suitable for protecting valuable industrial equipment.

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.

Same-Day Shipping

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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