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7100.1121.95 application field and working principle (Fuses)

Fuses are simple and cost-effective safety devices that have been in use for many decades. The 7100.1121.95 fuse (or commonly referred to as type B-fuse) is an small low-voltage fuse used primarily for protection of lighting circuits. This type of fuse is commonly found in residential and commercial buildings, as it is ideal for protection of lighting circuits.

Applications

The 7100.1121.95 fuse is primarily used in residential and commercial lighting circuits. It is often used in recessed lighting fixtures, accent lighting fixtures, and outdoor lighting applications. The typical application is when the fuse is used to protect the wiring and lighting transformers from abnormal overloads or short circuits, which can cause hazardous fire risks or system damage. This fuse is also a common choice for circuit protection in smaller electronic components, such as control panels and other low-voltage devices.

Working Principle

The 7100.1121.95 fuse works by using an internal element that is sensitive to current. When a circuit reaches a specified current level, the internal element heats up and melts the internal connections, thus stopping the flow of electricity in the circuit. Fuses are designed to "fail safe" and protect the circuit from over-current conditions, while also preventing hazardous areas and components from becoming damaged. The fuse is designed to fail much faster than the normal circuit, allowing the load to be disconnected before damage can be done.

The typical fuses will have a rated current, time delay, breaking capacity, and operating temperature range. The rated current determines the current that should flow through the fuse continuously without blowing. The time delay determines the time it takes for the fuse to open, while the breaking capacity is the maximum short circuit current the fuse can safely interrupt. The operating temperature range determines the temperature range in which the fuse can operate effectively.

Conclusion

The 7100.1121.95 fuse is a simple and cost-effective safety device for protective electrical applications. Their applications include residential and commercial lighting circuits, and they are a great choice for protection of lighting circuits and other low voltage components. The fuse works by having an internal element that is sensitive to current, and when the current reaches a certain level, the element heats up and melts the internal connections, stopping the flow of electricity. The typical fuse will have a rated current, time delay, breaking capacity, and operating temperature range, which all determine its effectiveness in protecting the circuit.

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