FNQ-R-2-1/4

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It can be understood that FNQ-R-2-1/4 is an electrical specialty fuse, which is often used to protect against short-circuiting and overloading in circuitry or machinery. This type of fuse is especially applicable in industrial and residential electrical installations with a variety of control or power applications. Here, we are going to discuss the application field and working principle of FNQ-R-2-1/4.

An FNQ-R-2-1/4 fuse is a commonly used 250-volt fuse variety. This type of fuse is used in residential applications, such as for outlets, electronic equipment, circuit breakers, and defective wiring. It is also used in industrial applications, such as for circuit protection, line protection, motor overload protection, and short circuit protection. This particular type of fuse is also commonly used in general-purpose industrial machinery.

FNQ-R-2-1/4 fuse is a size-2 fuse, which means that it is made up of two 1/4 inch x 1 1/2 inch blades. The blade openings measure 2-1/4 inches by 5/8 inch. It is designed to have a maximum voltage rating of 250 volts. The rated ampacity for this type of fuse is 20 Amps.

Working principle of FNQ-R-2-1/4 fuse is relatively simple. As the current in an electrical circuit increases, the electrical resistance of the fuse decreases and eventually the fuse element heats up and melts open, thus interrupting the flow of current and preventing any further damage to the circuit. Once the current is broken, the fuse must be replaced before the next operation can take place.

The FNQ-R-2-1/4 fuse provides the same level of current over-load protection as size-2 fuses. However, also due to its slim design, it can be installed in significantly smaller spaces than its size-2 counterparts. Furthermore, it is an economical solution that consumes less electricity and is more efficient than other types of fuses.

In summary, the FNQ-R-2-1/4 fuse is a common type of electrical specialty fuse designed to protect against short circuiting and overloading in circuitry or machinery. It works by melting at a predetermined temperature when the current in a circuit increases and breaking the flow of current, thus preventing any further damage to the circuit. It is widely used in residential and industrial applications due to it being an economical solution which can be installed in small spaces.

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