20E1C15.5S

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20E1C15.5S Application Field and Working Principle

The 20E1C15.5S are a special-purpose fuse designed for industrial applications. They are among the most common and popular fuses used in industrial applications today because of their dependability and user-friendly features. Developed for installations in which the possibility of overloads or short circuits is present, the 20E1C15.5S provides reliable protection.

The 20E1C15.5S fuses are classified under the electrical and speciality fuses category. They are designed for efficient overload and short-circuit protection in industrial applications. They are available in several time-current curves which allow selection according to the individual requirement and application. These types of fuses feature unique characteristics for intermittent overcurrent protection, instantaneous overcurrent protection, and overload protection. To protect circuits, switches, and components, the 20E1C15.5S can be used as a single fuse for isolation or as part of a combination unit consisting of two or more fuses in a single housing.

Working Principle

The 20E1C15.5S utilizes a dual-element, time-delay fuse for overload and short circuit protection. It has two main components: a ceramic tube and coil, and a silicon crystal element. The coil and tube form part of the fuse\'s electrical circuit and allow the fuse to sense changes in current. The silicon crystal element is the fuse\'s sensing component, the device that determines when to trip open the circuit.

When the current passing through the fuse exceeds the rated interrupting current, the fuse\'s sensing element starts to heat up, causing it to expand. This expansion is what triggers the circuit breaker to open, breaking the circuit and preventing further damage. The 20E1C15.5S also utilizes a thermal cut-out that prevents the fuse from being reactivated or reset when the current returns to normal levels.

In the event of an overload or short circuit, the 20E1C15.5S acts quickly to break the circuit, protecting your equipment from further damage. When the current returns to normal levels, the fuse must be manually reset and replaced.

Advantages

The 20E1C15.5S provides a number of advantages over traditional fuses. Its small size and easy installation makes it ideal for tight spaces and enclosed areas where larger fuses are difficult to install. It\'s also able to detect both high- and low-level current fluctuations, providing reliable protection in applications with varying current levels. Its dual-element design also allows for faster response times than traditional fuses, further improving its capabilities.

The 20E1C15.5S also provides other advantages such as a high cyclic endurance, superior mechanical strength, and excellent heat resistance. Many of these features make the 20E1C15.5S an ideal choice for industrial applications that demand a dependable protection solution.

Conclusion

The 20E1C15.5S are popular fuses that are ideal for industrial applications where short circuits and overloads may be present. They utilize a dual-element, time-delay fuse design that allows for faster response times than a traditional fuse. The 20E1C15.5S also provide the advantage of a small size for easy installation in tight spaces, superior endurance and mechanical strength, and excellent heat resistance.

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