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Each fuse has its own rating. It will be marked on the fuse somewhere.

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13y ago
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8y ago

Fuse blows off when the current that is passing through the fuse, is above the minimum fusing current of the fuse used.

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Q: How is the minimum fusing current related to the current rating of a fuse?
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How long for a cable to heat up at maximum current rating?

It depends on the surround material, temperature, type of cable, and what you mean by "maximum current rating". Typically a maximum load current rating will be specified, such as 15A; this means you can push 15A through that cable nonstop without damaging it (it won't overheat). You might have a short time rating as well, such as a 4 hour rating, where the cable can handle runing 22A for 4 hours if the surrounding temperature is kept to some value, though this may slightly degrade the insulation. There's also a fusing current rating for many cables. At this current, the cable will eventually melt (like a fuse).


What minimum current will activate a ground fault circuit interrupter?

30 mAmp rating devices are commercially available.


Why latching current is more than holding current in thyristor?

Holding current is a kind of Imin i.e., a minimum rating current which should not be decreased less than this limit so that SCR will be off(Maximum limit).Whereas latching current is again a limit which is Imini.e., a minimum current that should be there to make it on(Minimum limit).So obviously Holding current is more than latching current.If u still have the confusion go through the link below ALi RAZA


What is the current rating of T2L 250v fuse?

The current rating is 2A (2 amps).


What is the maximum current that can flow through a fuse?

A current rating of a fuse is designed to open a circuit at a specific current flow. This rating is imprinted on the fuse and lets you know what the maximum amount of current the fuse is designed to open at. A fuse is in the circuit to protect the conductor that the current flows through. Never over fuse a conductor's current carrying capacity.

Related questions

What is meant by the term fusing factor?

Fusing factor is the ratio of a fuse's minimum fusing current (the smallest current that will cause the fuse to melt) and the nominal rated current (usually the number in Amps marked on the fuse body).


What is the minimum fuse rating is needed for a 12 volt circuit?

No current bro? Depends


How long for a cable to heat up at maximum current rating?

It depends on the surround material, temperature, type of cable, and what you mean by "maximum current rating". Typically a maximum load current rating will be specified, such as 15A; this means you can push 15A through that cable nonstop without damaging it (it won't overheat). You might have a short time rating as well, such as a 4 hour rating, where the cable can handle runing 22A for 4 hours if the surrounding temperature is kept to some value, though this may slightly degrade the insulation. There's also a fusing current rating for many cables. At this current, the cable will eventually melt (like a fuse).


What minimum current will activate a ground fault circuit interrupter?

30 mAmp rating devices are commercially available.


A new home will have a service entrance with a minimal current rating of?

100 Amperes is minimum for a new home now'a'days


How is power rating related to voltage and current?

: They are directly related Either one increases power rating will increase. For an IC either one increases will dire-rate the component.


What happens if less current rating fuse is connected to function generator?

By reducing the output fusing of a generator, the total output of the generator will also be reduced. The capacity of the generator will remain the same but the fault trip point will be lowered.


What will happen if less current rating fuse is connect to function generator?

By reducing the output fusing of a generator, the total output of the generator will also be reduced. The capacity of the generator will remain the same but the fault trip point will be lowered.


Why latching current is more than holding current in thyristor?

Holding current is a kind of Imin i.e., a minimum rating current which should not be decreased less than this limit so that SCR will be off(Maximum limit).Whereas latching current is again a limit which is Imini.e., a minimum current that should be there to make it on(Minimum limit).So obviously Holding current is more than latching current.If u still have the confusion go through the link below ALi RAZA


How power rating relate to voltage and current?

: They are directly related Either one increases power rating will increase. For an IC either one increases will dire-rate the component.


What is an age rating?

An age rating is a classification for a product which specifies the minimum age for a person using it.


What is current rating?

.5