39018R2C8.25

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It is a known fact that Electrical, Specialty Fuses are used in many industrial, manufacturing and commercial applications. The 39018R2C8.25 has been specifically developed and engineered to protect all phases of a three-phase installation from short circuits, current overloads, and over-voltage transients. It also prevents thermal runaway caused by fault current overloads. The fuse is composed of a metal casing containing a disc fuse holder which contains two contact seals. The contact seal is composed of copper and operates as an electrical conductor between the contact surfaces.

The 39018R2C8.25 fuse is designed to protect against over-currents and short circuits in motor control panels, switchgear, machine tools, emergency lighting systems, production plant equipment and other various types of electrical equipment. It has a short circuit capacity of up to 25kA, a fast-acting response time and a voltage rating of 690VAC. The fast-acting response time and short-circuit current rating of the fuse make it suitable for applications where extreme overloads may occur.

Its working principle is based on a metal vial filled with a metal-coated compound. When a sufficient amount of current is pushed through the vial, the compound melts, creating a path to the surface of the vial. This causes a low resistance time-delay element within the vial to heat up and expand, which in turn breaks the connection and stops the flow of current. The temperature rise generated from the low resistance element is controlled by the number of turns turns per inch (TPI), the core material and the winding profile, determined by the manufacturer. The higher the TPI, the lower the gas pressure and the quicker the fuse blows, allowing for a fast-acting response to over-currents.

The 39018R2C8.25 is designed to provide protection for all phases of a three-phase installation and offers a high level of short-circuit protection for motor control panels, switchgear, machine tools, emergency lighting systems, production plant equipment and other types of electrical equipment. It is also an excellent choice when it comes to protecting against over-voltage transients and preventing thermal runaway caused by fault current overloads.

The 39018R2C8.25 has been designed to provide superior protection against over-currents and short circuits making it ideal for applications in both industrial and commercial settings. It is a dependable and reliable device for providing a high level of protection to all phases of a three-phase installation, and its fast-acting response time and high-voltage rating make it suitable for a variety of applications. The fuse is easy to install and maintain, which makes it an excellent choice for a variety of applications and environments.

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