8CLE-20E

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Fuses are electrical protection devices designed to prevent current overloads. They contain a conducting element that melts when a predetermined current exceeds the rated current, thereby "blowing" the fuse and protecting the circuit. 8CLE-20E fuses are special purpose fuses designed for specific applications. This article explains the 8CLE-20E application field and working principle.

The 8CLE-20E fuse is a current-limiting fuse designed for the protection of high-current circuit breakers. It is designed to allow current to flow until it overcomes the currentlimiting characteristics of the fuse, thereby breaking the circuit before the breaker is damaged. This type of fuse has a low melting time, a fast opening time, and a high current-carrying capacity. It is specifically designed for use with 12, 14 and 16kV circuit breakers.

The 8CLE-20E fuse is usually connected in parallel with the circuit breaker. The fuse is basically a high-current-carrying conductor with a melting element made of silver, tin, copper or a combination of these materials. The current passes through the fuse element, and when it exceeds the rated current, the fuse will melt and the current will be interrupted. The melting element is designed to create an electrical arc that quickly dissipates the heat generated by the arc, allowing the circuit breaker to safely open.

The 8CLE-20E fuse also has an isolating element that isolates the fuse element from the main circuit during operation. This prevents the arc created by the melting element from reaching other components in the circuit, further protecting them from damage. The fuse can also be used in combination with other protective devices, such as overcurrent relays and reclosers.

The 8CLE-20E fuse is designed for use in a wide variety of applications, including distribution, underground, utility, motor and switchgear applications. It is rated for continuous current up to 20A, and is UL listed for use in modern switchgear and distribution systems. It is also designed to operate in both outdoor and indoor environments.

In conclusion, the 8CLE-20E fuse is a special purpose fuse designed for specific applications. It is designed to protect circuit breakers from current overloads, and features a low melting time, a fast opening time, and a high current-carrying capacity. It is rated for use in a variety of applications, including distribution, underground, utility, motor and switchgear applications. Additionally, it is designed to operate in both outdoor and indoor environments.

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