3JS 200-R

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Fuses are the modern equivalent of the old-fashioned fuse wire, designed to protect electrical circuits from overload. The 3JS 200-R is a fuse designed to provide circuit protection for a wide range of electrical applicatons. Its working principle is based on limiting the current through the fuse in the event of an overload, thus preventing damage to the electrical equipment it is protecting.

The 3JS 200-R is designed specifically for applications where surge current or momentary fault current is expected. It operates as an over current device which means it can detect current levels greater than the rated or programmed value. When this occurs, the fuses operate as an automatic disconnector, breaking the circuit it is protecting.

The 3JS 200-R has two main parts – the main body and the arc suppressing device. The main body contains the fusible metal or metal alloy that melts when a current level higher than the programmed level is detected. The arc suppressing device helps to reduce the arc in the event of a fault current.

The 3JS 200-R is typically used in applications such as residential systems, car and truck electrical systems, industrial equipment, and home entertainment systems. It is suitable for use in circuits up to 400 volts, AC or DC, and is approved by various agencies for use in many different countries.

To ensure the correct operation of the 3JS 200-R in working systems, it should be fitted with the correct fuse. The fuse should be selected on the basis of the short-circuit current available at the point of installation, the system voltage and the type of circuit it is protecting.

The 3JS 200-R fuse is designed to be easy to use and install. It has standard thread sizes for easy installation and replacement. It is also sealed to IP67 for dust and water ingress protection, and has a minimum operating temperature of -10°C.

In summary, the 3JS 200-R fuse is a versatile fuse designed for a variety of applications. It is easy to install and provides reliable protection to circuits from overloads and short-circuits. The correct fuse must be chosen to ensure that it provides the correct protection and is compatible with the system and voltage.

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