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219-2-23214-2 Circuit Breakers: Application Field and Working Principle

Circuit breakers are specialized mechanical, hydraulic, or electromechanical devices which control electrical circuits by breaking or interrupting an electric connection to protect people, equipment, and property. The 219-2-23214-2 Circuit Breaker is one type of circuit breaker. It has specific characteristics and design which makes it uniquely suited for certain applications. This article discusses its application field and working principle.

Application Field

The 219-2-23214-2 Circuit Breaker is designed for specific applications. It is often used in network protection systems and distribution boards for high voltage (HV) and extra high voltage (EHV) electrical currents. This type of circuit breaker is suitable for applications that require low power insulation for frequent operations. It is also used in power generation and transmission systems to control and protect HV and EHV circuits and equipment.

The 219-2-23214-2 Circuit Breaker is particularly suitable for networks that require increased switching logic. It is also used in railroad, mining, and industrial systems. Additionally, it is often used in DC and AC systems at substations. The circuit breaker has a short span of operation and speed due to its design and is suitable for currents up to 6300A.

Working Principle

The 219-2-23214-2 Circuit Breaker has an over-current protection mechanism that trips the breaker and interrupts the electric current to avoid damage. When an overcurrent is detected, a heat-stimulated component melts and penetrates a bimetal strip that closes the current circuit. This process is known as “phase-to-phase tripping”.

The overcurrent protection system is based on the principle of thermal time lag. This system makes it easier to trip the breaker in the case of an overload by allowing more current to flow before the breaker trips. The thermal time lag is set to a specific time which is determined by the capacity and the wattage of the network.

The 219-2-23214-2 Circuit Breaker is also equipped with a short-circuit protection feature that works depending on the fault current and the level of protection that it provides. The cracker has an adjustable short-circuit time delay, which is determined according to the maximum level of current that is expected, and it is designed to disconnect the circuit in the event of a short circuit. This kind of protection increases safety and prevents damage to the circuit and equipment.

Conclusion

The 219-2-23214-2 Circuit Breaker is designed to provide safety and protection against over current and short-circuit incidents. It is suitable for use in several applications, including electricity distribution boards, power transmission systems, and other HV and EHV applications. The circuit breaker works on the principles of thermal time lag and short-circuit protection.

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