219-3-1-66-5-2-20-V

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Circuit Breakers: 219-3-1-66-5-2-20-V Application Field and Working Principle

Circuit Breakers are essential components in electrical engineering and house wiring systems. This article will discuss the particular field of application and working principle of a commonly used type of circuit breaker, the 219-3-1-66-5-2-20-V.

Fields of Application

The 219-3-1-66-5-2-20-V Circuit Breakers are medium range breaker designs. They are commonly used in switchboards of medium range industrial and commercial machines. This circuit breaker can also be used in other areas which require medium intensity current usage, such as in residences, factory circuits, and motor controls.

Working Principle

The 219-3-1-66-5-2-20-V Circuit Breakers are designed based on a rotating contact principle. Under normal conditions, where the current is within the working range, the breaker arm is in the ON position. The contacts are closed and the electrical circuit is completed. However, when the amount of current in the circuit increases beyond a certain level, the contacts are disconnected and the circuit is broken. This is the circuit breaker’s basic working principle.

The 219-3-1-66-5-2-20-V Circuit Breakers also have an overload current setting. When the current in the circuit exceeds this value, the overload contacts will be opened and the circuit will be disconnected. This is a critical safety measure, preventing the circuit from either being damaged or becoming a hazard.

Construction

The 219-3-1-66-5-2-20-V Circuit Breakers have a basic construction design which includes a frame, a lever arm, a contact, and a spring. The frame provides the housing for the breaker, while the lever arm is connected to the contact and the spring. The contact is also connected to the circuit to be protected. The spring acts as a counterforce to the current flowing through the circuit, and the lever arm acts as a switch which opens or closes the contacts when the current gets too high.

The contact is also connected to a coil. This coil produces a magnetic field when current passes through it. This field interacts with the current in the circuit creating a torque that causes the lever arm to move and disconnect the contact when the current reaches a certain level.

Conclusion

The 219-3-1-66-5-2-20-V Circuit Breakers are medium range designs used in switchboards of industrial and commercial machines. They are based on a rotating contact principle and have an overload current setting which, when triggered, will cause the circuit to be disconnected. The construction of the breaker includes a frame, a lever arm, a contact, and a coil which interacts with the current in the circuit. The 219-3-1-66-5-2-20-V Circuit Breakers are an essential component of any electrical system, and their properly functioning is of utmost importance.

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