2JS 200-R

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Fuses

2JS 200R is an industrial molded case circuit breaker, which is a kind of switchgear used in industrial applications to protect against excessive current. It is designed to protect electrical conductors during fault conditions, and it also uses a fuse in order to do so. The fuse consists of a metal strip, which serves as the fuse link, and a metal fuse box, which holds and supports the link and the fuse.

The fuse box contains two pairs of contacts that engage when the current passes through it. When the current passes through the contacts, a needle element is heated and melts the strip. When the strip melts, the circuit is broken and the current stops flowing, effectively protecting the circuit from further damage.

Application Field of 2JS 200-R Fuses

2JS 200-R fuses are typically used in industrial and commercial applications, such as in manufacturing, power distribution, and data processing. These fuses are also used in overhead line construction, with buildings and with outdoor power distribution systems. Moreover, 2JS 200-R fuses are used with motor controllers in heating, ventilating, and air conditioning (HVAC) systems.

Working Principle of 2JS 200-R Fuses

The 2JS 200-R fuse is made up of a metal strip and a metal fuse box. The metal strip acts as the fuse link, and the fuse box holds and supports the link and the fuse. The fuse link is heated when a current is passed through the contacts, and the metal strip melts and the circuit is broken after the link is overheated, effectively protecting the circuit from further damage.

The 2JS 200-R fuse also has different ratings which indicate the maximum current that can be safely passed through the fuse before it melts and breaks the circuit. The rating may include the ampere (A) rating or the volt-ampere (VA) rating. The VA rating indicates the product of current and voltage and is used for calculating the maximum system load. The A rating is the maximum current that can be safely passed through the fuse without causing harm to the circuit.

In the event of a fault condition, the fuse will trip and open the circuit, preventing further damage to the circuit. Additionally, the fuse is designed to melt before causing any damage to the conductors or other electrical equipment connected to the circuit.

Conclusion

2JS 200-R fuses are important tools in electrical wiring and are used to prevent electrical overloads in industrial and commercial applications. The fuse consists of a metal strip, which serves as the fuse link, and a metal fuse box, which holds and supports the link and the fuse. The fuse link is heated when a current is passed through the contacts, and the metal strip melts upon overheating, breaking the circuit and protecting the circuit from further damage. The 2JS 200-R fuse also has different ratings which indicate the maximum current that can be safely passed through the fuse before it melts and breaks the circuit.

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