Amp Fuse Size Chart. Find the size of fuse by multiplying the amps required by the device (2) by 1.5. Size fuse shown in the chart is the 5ag, or “midget,” a name adopted from its use by the electrical industry and the national electrical code range which normally recognizes fuses of 9/16”× 2” as the smallest standard fuse in use.
1.5 amps (135% of full load current taken to the next higher standard rating) ambient temperature: Minimum fuse amperage provides more protection for the wire but may result in nuisance blows. This is the hardest way to size a fuse.
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What size fuse do you need for your amplifier? 2ag size body, 5 x 15mm. Here the standard iec recommended fuse chart has been included. Keep in mind that there are several different types of blade fuses beyond the standard atc size too, including micro, mini, and maxi styles.
