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    Current Limiting Fuses

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    Current Limiting Fuses

    The basic principle of current limiting fuses.

    Current limiting fuses are high performance protective devices used across a number of applications. Essentially, when the fuse element inside a current limiting fuse has melted, it enacts a powerful level of resistance to reduce the duration as well as the potential damage caused by short circuits and overloads. Other advantages of these fuses include noiseless interruption, no expulsion violence, and of course, high current limiting capabilities. They are available as 250V fuses, 600V fuses, and a wide variety of other voltage and current ratings.

    Not all current limiting fuses are created equal.

    Most of the fuses you will come across are current limiting fuses. Current limiting fuses, also referred to simply as CLF, are available across most fuse classes including but not limited to Class CC, Class J, Class T, Class RK1, and Class RK5. Each of these can be further categorized into one of three types of current limiting fuses: backup, general purpose, and full range.

    Backup current limiting fuses safely interrupt all fault currents between the rated minimum interrupt current and the rated maximum interrupting current. General purpose current limiting fuses interrupt currents that initiate the fuse’s one hour melting time to the maximum rated interrupting current. Full range current limiting fuses will interrupt currents from the minimum value that will melt the fuse element to the maximum interrupting current. Both general purpose and full range current limiting fuses are commonly used for transformer and feeder circuits.

    Same-day shipping available
    24-hour emergency support
    Global supplier network
    1-year Warranty

    Choose Bay Power for all your fuses.

    When it comes to your fuses and your fuse box, the only thing that should be limited is the currents. With Bay Power, you’ll find an near endless supply of top quality current limiting fuses from industry-leading manufacturers across a number of popular classes. Choose from our extensive selection of Bussmann fuses and Bussmann fuse holders. We’re confident you’ll find the current limiting fuse that’s right for you.

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    Please fill in the following information or contact us at (800) 699-2980 to request a free quote. Our friendly sales staff would be glad to assist you!

    Why Bay Power

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    Fill your wallet, not the landfill.

    Have any old or unused Current Limiting Fuses lying around? Don’t get rid of them just yet. While we stock a wide range of quality electrical products and solutions, both new and reconditioned, we also buy back your unwanted equipment. So, before deciding what to do with your old Current Limiting Fuses and components, have one of our expert technicians take a look to see if we can save a few parts, save the environment, and save you some cash.

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    Great service shouldn’t end after the purchase. We pride ourselves on the relationships we build with our customer-first mentality and the quality of our Current Limiting Fuses and components. That’s why we offer a 1-year replacement warranty on all of our electrical products and solutions from the top manufacturers. Because when you buy with Bay Power, you buy with confidence.

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    Product Condition FAQ

    We are proud to stock a variety of competitively priced, new and reconditioned components from the leading manufacturers of Current Limiting Fuses.


    Thanks to our extensive inventory of Current Limiting Fuses and components, our resourceful and expertly trained staff will always be able to get the products that you need. Through our extensive network of suppliers, we are able to carry and acquire a huge variety of electrical products and solutions, so chances are if you need it, we can get it.


    Bay Power’s priority is providing you with reliable, high quality electrical hardware. That’s why our mission is to make sure our reconditioned electrical products and solutions function as perfectly as the day they were built. Because while the quality is high, the cost of Current Limiting Fuses shouldn’t be.

    New Surplus

    Our selection of new surplus Current Limiting Fuses may not arrive brand new in a box, but they function just as well, and have never had electricity run through them. All of the quality, none of the packaging, always with our 1-year replacement warranty.