A fuse is a current sensitive piece of wire â when the fuse is working the wire is not broken, when the fuse has âblownâ the wire breaks. Fuses are used for the prevention of home appliances from the short circuit and damage by overload or high current etc. The fuse is made up of thin strip or strand of metal, whenever the heavy amount of current or an excessive current flow is there in an electrical circuit, the fuse melts and it opens the circuit and disconnects it from the power supply. High electrical current is unsafe â the fuse blows and removes all electrical current. If the water pressure became too great, the panel would give way first, so the other walls in the tank would be protected from damage. The excessive flow may lead to the breakdown of wire and stops the flow of current. They are used in gaming consoles and all automobiles such as car, trucks and other vehicles. A fuse is an electrical safety device (a component) that removes electrical current from an electrical circuit when the current in the electrical circuit is too high. ‘Electrical circuit’ means anything that uses … The numbers were applied chronologically as different manufacturers started making a new size: “3AG,” for example, was the third size placed on the market. That’s why we need fuses to protect our home appliances from harm. ByTamanna Sharma This graph shows the temperature versus the current carrying capacity of the fuse.In this process, at the point where three lines meet at 25 degrees Celsius, the current carrying capacity of the fuse will be 100% and after some time the current capacity decreases at slow blow fuse, it will also decrease up to 82% at 65 degrees C. This results that, increase in temperature will decrease the current carrying capacity of the fuse. What grabbed me the most was the use of the word “fuse” by the narrator. Home > Domestic Electrical > Fuses > What Is A Fuse. Use the next highest fuse rating after the calculation. The fuse can be replaced or changed with the new one with suitable ratings. If we don’t use fuses, electrical faults occur in the wiring and it burns the wire and electric appliances and may starts fire at home. High voltage fuses are used to protect the instrument transformers & small transformers. The high electrical current through the fuse melts the wire inside the fuse. The fuse can be made up of the element like zinc, copper, silver &aluminum. It is made up of silver, copper & tin. A fuse blows because the electrical current through the fuse is too high. AC fuses are further categorized into two parts, i.e., Low voltage fuses and High voltage fuses. Here are some applications in which fuses are used, i.e., Subscribe below to receive most popular news, articles and DIY projects from Circuit Digest, full details and working in domestic appliances. When the fuse goes, a sudden spark occurs which may lead to turning your home into sudden darkness by disconnecting the power supply which saves any further mishappenings. Bolted Type:- In this type of fuse, the conducting plates are fixed to the fuse … All types of high voltage fuses are used upon the rated voltage up to 1.5 Kv to 138 Kv. They are divided into two parts AC Fuses & DC Fuses. The voltage must be greater than the circuit voltage for the proper protection of the device. Here is the basic circuit diagram & symbol of the fuse. A fuse is an electrical safety device (a component) that removes electrical current from an electrical circuit when the current in the electrical circuit is too high. So, this is how the fuse operates. They are used in home distribution boards, general electrical appliances, and devices. They also act as a circuit breaker which is used to break the circuit when the sudden fault occurs in the circuit. Fuses are the protectors, these are the safety devices which are used to protect the home appliances like televisions, refrigerators, computers with damage by high voltage. The fuse breaks the circuit if a fault in an appliance causes too much current to flow. Type-S fuses consist of two components: an adapter and the fuse itself. Fuse type: Branch Circuit: A fuse that has a minimum interrrupting rating of 10,000 amps, a minimum voltge rating of 125 volts and a they must be size rejecting so that a fuse … Write down the power(watts) of the appliance – usually from the appliance manual. A fuse has a rating, say 5 amps or 13 amps; if the electrical current goes above the fuse rating, the fuse blows. When the excessive current or heat is generated due to heavy current flows in the circuit, the fuse melts down due to the low melting point of the element and it opens the circuit. A fuse box is a type of electrical service panel, which is a sort of control board for the entire electrical system of a house.While any home built around 1960 or later has a service panel full of circuit breakers, panels in older houses used fuses to provide over-current protection for the household circuits. A fuse which is intended to be bolted directly to bus bars, contact pads or fuse blocks. An electrical fuse is a simple device used to interrupt an electrical circuit during over current condition due to short circuit and/or overload. The lives of television, computers, radios and other home appliances may also put at risk. These are of three types which are as follows:-. For example, if the calculated fuse rating is 8.659 amps, so for this we will use a 9 amp fuse. The 'fuse rating' is the electrical current that will blow the fuse, for instance 3 amps, 10 amps or 13 amps. When heat generated, the arc produces which causes the boric acid to evolve high amount of gases. They are also used in laptops, cell phones, printers, scanners, portable electronics, hard disk drives. Connect with us on social media and stay updated with latest news, articles and projects! They are used in LCD monitors, battery packs, etc. A fuse is a length of wire that melts (breaks or blows) when the current through it is above a certain level â the fuse rating. This web page explains what a fuse is, why a fuse blows and lists the characteristics (parameters) of a fuse. Each level of amperage has a matching socket adapter with a unique threading to prevent mismatching fuses. A 15-amp fuse should be matched to 14-gauge circuit wires, while a 20-amp fuse is designed for 12-gauge wires. A circuit breaker is a specially designed switch that automatically opens to interrupt circuit current in the event of an overcurrent condition. Select the fuse, like time-delay fuses for inductive load and fast acting fuses for the resistive load. Now we are discussing about different types of fuses. This protects the wiring and the appliance if something goes wrong. electrical safety device (a component) that removes electrical current from an electrical circuit when the current in the electrical circuit is too high A fuse is a small, thin conductor designed to melt and separate into two pieces for the purpose of breaking a circuit in the event of excessive current. In the electrical distribution system, you will find fuses in capacitors, transformers, power converters, motor starters, power transformers. This is connected between the ends of the terminals. The HRC type is again divided into two parts that are:-Blade Type/Plug-in Type:- The body of this fuse is made up of plastic and it is easily replaceable in the circuit without any load. Jan 05, 2018 A fuse box is a type of electrical service panel, which is a sort of control board for the entire electrical system of a house.While any home built around 1960 or later has a service panel full of circuit breakers, panels in older houses used fuses to provide over-current protection for the household circuits. There are some of the important characteristics of the fuses in the electrical and electronic system which are as follows:-, Breaking capacity > maximum rated voltage. Do you know of any other type of mechanical fuse? 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