0CNN125E.V

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In the field of electrical engineering, specialty fuses are utilized to protect electrical circuits and systems from overloads and short-circuits. The type of fuse known as CNN125E.V is designed to offer reliable and redundant protection to important equipment located in the system. This article will discuss the applications of the CNN125E.V fuse as well as the working principle behind it.

Applications

The CNN125E.V fuse can be used in a variety of electronics systems including telecommunications, automotive, military, aerospace, industrial control, and other electronic equipment. It is highly suitable for use in low-voltage and over-voltage protection circuits, due to its fast operation and current limiting capabilities. Furthermore, it is often used in the protection of telecom power systems, AC and DC drives, and UPS systems. Additionally, the fuse can be used for protecting any type of switchgear from short-circuits and arcing faults.

Working Principle

The working principle of the CNN125E.V fuse involves the breaking of an electrical circuit when a predetermined current level is exceeded. The fuse has a specialized thermal element that acts as a temperature sensitive device. It is designed to respond to an over-current event by increasing the temperature of the \'fuse link\'. This causes the metal alloy that the link is made out of to expand and break the electrical circuit. Additionally, the fuse is designed to reset itself once the temperature of the element drops back down to the normal range. This allows it to be reused in the event of multiple current disturbances.

In terms of design, the CNN125E.V is a SMT (Surface Mount Technology) type fuse with an internal thermal element. It has terminals located on the top of the device for easy mounting. The fuse is designed to self-recover after an over-current event and is able to detect current levels in the range of 200mA to 15A. Furthermore, the fuse is designed to operate in temperatures ranging from -40°C to +125°C. It is able to withstand voltage levels of up to 125V and features a fast-acting response time.

Overall, the CNN125E.V fuse is a highly reliable and efficient fuse that can be used in a variety of applications. It is designed to offer effective protection to circuits and systems from over-currents and short-circuits. It is ideal for use in low-voltage and over-voltage protection circuits due to its fast operation and current limiting capabilities. Additionally, it is able to operate in a wide range of temperatures and can withstand high voltage levels.

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