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Fuses play an important role in electrical systems. They protect electrical circuits from overload by breaking the circuit when a set amount of current is passed through it. This prevents damage to electrical components and wires, and also prevents fires by preventing electrical curves from getting too hot. The 80/20 and 50/70 applications fields and working principles are the two most common types of fuses.

The 80/20 fuse is the most economical and commonly used form of fuse. Its primary function is to provide protection against overloads. It works by allowing a certain amount of current to pass through it, but once it reaches its maximum allowed current, it trips and breaks the circuit, thus preventing any further flow of current. This ensures that all electrical components remain safe and no damage can occur due to an overload. This type of fuse is mainly used in residential environments due to its low cost.

The 50/70 fuse on the other hand is designed for more intensive applications and has a much higher maximum current-holding capacity. It works in the same way as the 80/20 fuse, however, it is able to withstand larger and more frequent spikes of current. This makes it a much more reliable option and it is often found in industrial environments. It is also suitable for high voltage systems where high degree of safety is required, such as in electrical systems found in aircraft.

In either case, the fuse must be properly sized for the circuit it is protecting. It also needs to be replaced often as the contact points can get worn over time. It is important to regularly check the condition of the fuse to ensure that it’s still working correctly. If there is any sign of wear, the fuse should be replaced immediately.

Fuses play an important role in electrical systems and should not be taken lightly. The 80/20 and 50/70 application fields and working principles are the two most important types of fuses, and they can provide reliable protection against over current and overloads. It is important to make sure the fuses are of the correct size and are regularly checked for signs of wear. If they are, they can provide reliable protection and help prevent damage to electrical systems.

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