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Circuit Breakers

Circuit Breakers are a type of electrical switch designed to protect electrical circuits, equipment and people from damage due to overload, short circuit or other abnormal conditions. They are usually installed in electrical panels or other fixed locations, and when an abnormal condition is detected, they trip and disconnect the power supply. Circuit breakers come in many sizes and varieties, depending on the application they are used in and the type of power supply.

PP21-4-20.0A-36473-3-V is a type of properly sized and applied circuit breaker used to protect electrical circuits, equipment and people from overloads, short circuits and other abnormal conditions. The primary components of this breaker are the electrical contacts, the arc-quenching device, the trip mechanism and the case. The contacts are two or more metal blades that bridge a gap in the circuit breaker and allow current to flow through the circuit when closed. When too much current passes through the contacts, the arc-quenching devices extinguish the arc inside the circuit. Finally, the trip mechanism trips the breaker, interrupting the flow of electricity.

This type of circuit breaker is generally used in medium voltage applications, such as in distribution systems, motor control centers and other industrial facilities. It offers superior overload protection as well as short circuit protection. It has a robust construction that can withstand prolonged current overloads and short circuit conditions with any amount of overcurrent. The trip characteristics of the circuit breaker can be adjusted to meet the specific motor needs and the requirements of the application.

PP21-4-20.0A-36473-3-V circuit breaker is a reliable device that can provide a safe and secure working environment. Its simple and robust design makes it easy to install and maintain. With its trip characteristics that can be adjusted to meet specific motor needs, as well as its superior short circuit protection, this type of circuit breaker is ideal for industrial, residential and commercial applications.

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