2. Fuse Basics & Ratings

Question.5

The image below shows a Littelfuse automotive blade fuse (DigiKey part number: 0299030.ZXT-ND).
The fuse body has “30” printed on it. What does this “30” represent?

The current at which the fuse instantly blows
The maximum continuous current the fuse can carry under standard conditions
The maximum short-circuit current the fuse can interrupt
The current at which the fuse initiates blows and blows in a few seconds or in a few minutes.

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