2JQ 150-R

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Fuses are a type of electrical components used to protect electric circuits from overcurrents and short circuits. In the world of electrical engineering, there are many types of fuses, one of which is the 2JQ 150-R fuse. This article provides an overview of the application field and working principle of this type of fuse.

Application Field

The 2JQ 150-R fuse is primarily used in household and industrial applications. This type of fuse can be found in many different wiring systems, such as air conditioning, refrigeration, and lighting systems. Furthermore, it can also be used for the protection of switch boards, transformers, power supplies, and other electronic circuit systems. This type of fuse is designed for operational voltages of up to 240V AC and interrupting ratings of up to 1500A.

Working Principle

2JQ 150-R fuses are designed to blow when the current flow passing through them exceeds the rated value. This is done by using a fuse element constructed of metal alloys that have been specially formed to a thin strip like shape. When an excess of current passes through the plastic tube, it heats up the fuse element which causes it to melt. This breaks the circuit and eliminates the high level of current, thus protecting the connected circuits from possible damage.

Additionally, the glass tube also functions as a non-reusable element, meaning it cannot be reset after it has blown. This means that if the fuse blows, it must be replaced with a new one in order to maintain the safety of the wiring system.

Finally, the two color stripes on the 2JQ 150-R fuse indicates which type of voltage it is designed for and at what current it will blow. The green stripe indicates that the fuse complies with a specific current rating and the red stripe indicates that it can only be used on systems whose voltage does not exceed the maximum permissible voltage.

In summary, the 2JQ 150-R fuse is designed for use in a variety of wiring and electrical systems. Its working principle is based on the use of a special metal alloy fuse element that melts if the current flowing through it exceeds a certain rated amount, thus providing protection from dangerous high current levels. Furthermore, the two color stripes on the fuse denote its designed voltage and current rating. All in all, the 2JQ 150-R fuse is a reliable and effective electrical component to protect circuits from shorting and overloading.

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