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Glass fuses

Glass fuses have a low breaking capacity. It's easy to see when they're blown: the glass will be discolored and the filament broken. Replace yours today!

Glass

Ceramic fuses

Ceramic fuses are high or low breaking capacity and can be used in many applications. Ceramic color can vary from a very light beige to dark gray.

Ceramic

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Bussmann DMM-44/100

Digital multimeter replacement fuses:

44/100A and 11A

View DMM fuses

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Bussmann GMA Series

Need replacements for your string lights? View our most popular glass fuse!

Bussmann GMA-5

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Littelfuse CCMR Series

Available in larger sizes — from 35 to 60 amperes! No other 600V fuse is available with this current carrying capacity in a package this small.

View CCMR Fuses

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Mini ATM kit

Turn one fuse slot into two while providing protection for both circuits.

View all add-a-circuit products

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Bussmann FRN-R-60

We maintain the largest catalog of Bussmann fuses compared to any other US-based retailer!

View FRN-R Fuses

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Mersen TR200R

One of Mersen's most popular series.

View TR-R fuses

The Differences Between Ceramic and Glass Mini Fuses and Mini Fuse Basics

How-To Articles

Replacing Fuses in Digital Multimeters

If your multimeter stops reading amperes you may have blown a fuse! In most cases, you will still be able to read the resistance, voltage, and other values. The most common fuses in multimeters are certain glass and ceramic fuses like Bussmann AGX-2, GDA-630mA, and SIBA ceramic fuses. Fluke has a lot of different part numbers and some are for the exact same fuse.

Testing a Fuse with a Continuity Tester

Continuity testers are a simple replacement to multimeters. Similarly, simply touch the probe and clips to the end of a fuse to test it. If the tester lights up, the fuse is working. Be sure there is no current running through the fuse before testing.

Testing a Fuse with a Multimeter

Multimeters can test the flow of current, voltage, and electrical current. It will send a current through one lead and measure it through the other. To test a fuse, you can measure its continuity or ohms, but we will be testing for ohms.