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It is proper "control sense" to fuse the control circuit. It does not have to be just a cartridge fuse, in many cases it is a breaker. Depending on where the control voltage is obtained from, transformer from the incoming motor feed, separate source, or line voltage, there is always a chance that a component of the control circuit could fail, circuit protection would lessen the damage to other equipment in the control circuit. The fuse should be sized as close to the control current as possible.

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Q: Why you use cartridge fuse in control circuit of motor?
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What is the short circuit capacity of a BS 1361 60A cartridge fuse?

.38 for .4 disconnection time and .70 for .5


How a fuse controls the flow of electric current in a circuit?

A fuse does not control the flow in a circuit, it limits the current in a circuit. If the load in a circuit shorts out the fuse link melts and opens the circuit and stops the current flow and prevents the wires feeding the circuit from melting and catching fire. resist


How do you find fuse capacity in house lightning?

To find the circuit's capacity you have to look at the breaker or fuse that protects that circuit. On the handle of the breaker you will see a number. that number is the tripping capacity of that particular breaker. On a glass screw in fuse you will see a coloured disk with a number on it that is the capacity that the fuse can handle before opening the circuit. On cartridge fuses the voltage and amperage rating will be printed on the body of the fuse.


How do you get 120 amp fuse out?

Out of what? Is it a cartridge fuse, fuse block, disconnect panel? Turn off power and use fuse pullers for cartridge fuses. If its an old and corroded fuse block in your house, you would be wise to call someone who has the proper protective equipment to remove it.


Can is use a 32v fuse instead of a 125v fuse?

No. If the voltage rating of a fuse is too low for the circuit in which it is fitted then, when the fuse operates (i.e. its link melts), the circuit voltage might maintain the resulting arc within the fuse, and it will fail to protect that circuit.

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