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The concept of cartridge fuses is not new. His fuse block was patented by Thomas Edison in 1890. A cartridge fuse is a cylindrical fuse with blade contact points or metal caps (ferrules) on both ends. A fuse link, which is a length of material intended to melt or sacrifice itself in the case of an over-current event, connects the contact sites. The circuit is broken when the fuse link melts, preventing further harm from the overcurrent on the remainder of the circuit. Depending on the fuse's class, most cartridge fuses are rated for circuits with voltages between 250 and 600 volts as well as a range of amperages up to 600 amps. There are certain exceptions.
Additionally, depending on the fuse class and series, cartridge fuses may be made to be either rapid-acting or time delayed. The three biggest producers of cartridge fuses today are Mersen, Bussmann by Eaton, and little fuse. Being an authorized distributor for these great producers of circuit protection devices makes FIC Corporation proud.
Professional range of FRS-R series time delay fuses from Cooper Bussmann. The fuses are intended to guard against motor overload, ground faults, and short circuits.
When high voltage ratings and currents are needed, such as in motors, air conditioners, refrigerators, pumps, etc., cartridge fuses are employed to safeguard the electrical equipment. They may be found up to 600A and 600V AC and are often used in commercial, industrial, and residential distribution panels.
A fuse is made up of a low-resistance metallic wire that is encased in an inflammable substance. It is used to connect to and install in series with a circuit and device that must be protected from short circuits and overcurrent because, if a fuse and circuit breaker are not present, they will not be able to handle the excessive current within their rating limits, potentially damaging an electrical appliance.
Fuse types vary, and they may be divided into distinct groups based on a variety of factors. According to the kind of input supply voltage, fuses may be split into two major groups.
Fuse types utilized in AC and DC systems have a slight variation that has been mentioned below.
As opposed to a DC system, an arc may readily dissipate in an AC system where a voltage with a 60Hz or 50Hz frequency increases its amplitude from zero to 60 times per second. As a result, compared to DC fuses, the diameters of AC fuses are somewhat smaller.
In a DC system, an arc forms when a metallic wire melts due to the heat created by an overcurrent, and because of the DC constant value, it is exceedingly challenging to put out the arc. Therefore, DC fuses are somewhat larger than AC fuses in order to increase the distance between the electrodes and prevent fuse arcing.
For more information please check the datasheets.
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