Correct answer
The manufacturer’s specification for that circuit.
Use the manufacturer’s specification for that circuit: type, size, amperage and other characteristics, including a suitable voltage rating. A fuse interrupts excessive current, such as from overload or short circuit; it is not a universal voltage-surge protector. Do not increase amperage to stop it blowing or bridge the fuse. Repeated blowing needs fault investigation. Do not blindly copy a previously fitted fuse that may be incorrect.
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The manufacturer’s specification for that circuit.
A higher amperage so it does not blow again.
Any fuse that fits, even with different specifications.
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