SPP-4E200

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Electrical systems are essential for modern living. Without electricity, we would be unable to access any number of services and activities which are so important to our everyday life. As such, it is important that these systems are well maintained and that any electrical failures are prevented as much as possible. Specialty fuses have been developed to help provide protection to an electrical system and help prevent damage caused by overloads and short circuits. One of these specialty fuses is the SPP-4E200, which is designed to cut off power to an electrical system quickly and reliably when an overload or short circuit is detected. This article will discuss the application field and working principle of the SPP-4E200.

The SPP-4E200 is a miniature time-delay-action fuse designed for use in medium voltage applications. This type of fuse is commonly used in the protection of transformers, motors, generator controls, and other electrical equipment in industrial and commercial applications. The SPP-4E200 is also suitable for the protection of short-circuit and overload protection on industrial machine tools, industrial robots, and other industrial equipment. These types of fuses can also be used in the protection of residential switchboards and safety systems in general electrical installations.

The SPP-4E200 is an alternating current fuse rated at 500volts with a nominal current rating of 200 amps. The operating characteristics of the SPP-4E200 make it suitable for short circuit or overload protection in circuits with a maximum of three times the rated nominal current. This fuse is designed with a Class E time-delay characteristic, which means that when an overload or a short-circuit occurs, it will cut off the circuit after a predetermined amount of time to ensure that the fuse does not break the circuit due to a sudden overload.

The SPP-4E200 has a fuse body made of corrosion-resistant tin bronze, which allows it to handle higher operating temperatures and provides a level of resistance to corrosion in corrosive environments. The connections are made with a dielectric lead screw which is molded onto the fuse body. This ensures that the electrical connections are efficiently and securely maintained. The fuse element of the SPP-4E200 is made with silver and copper strips, which provide optimal electrical protection.

The working principle of the SPP-4E200 fuse is based on the melting of the fuse element when an overload is detected. When an overload current is applied to the fuse, the fuse element melts and opens the circuit, thus preventing the occurrence of any further damage. The time-delay characteristic of the fuse ensures that the circuit is not broken immediately, and this allows for an orderly shut-down of the system in the event of an overload or short circuit.

In conclusion, the SPP-4E200 is a highly reliable fuse designed for use in medium voltage applications. This type of fuse is suitable for short circuit and overload protection in industrial and residential applications, and it has a Class E time-delay characteristic which helps to prevent damage to the system in the event of an overload or short circuit. The SPP-4E200 is constructed with a corrosion-resistant fuse body and has a fuse element which is designed to quickly melt and open the circuit when an overload is detected. This efficient and reliable protection makes it a great choice for a variety of applications.

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