4420.064 Circuit Protection

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Circuit breakers are electrical devices designed to protect electrical systems, components, and people by interrupting the electric current. They can also be used to control overheating in electric motors, or to provide fast and safe disconnection and reconnection of circuit elements. The 4420.064 is a type of circuit breaker which is designed to offer superior protection and control performance that exceeds the requirements of UL 1066 and is suitable for applications such as industrial and commercial, dual and multiple circuit protection.

The 4420.064 is a low voltage power circuit breaker, designed for use in a variety of applications. It features short circuit rating of up to 100 kA at 240 volts, interrupting ratings of up to 100 kA at 240 volts, and current ratings of up to 5000 Amp depending on the size and voltage of the breaker. The 4420.064 is available in 1-pole, 2-pole, 3-pole, and 4-pole configurations and is designed with an internal arc shield to protect against electric arcs. It is UL 1066 listed for design and performance, and is suitable for use in industrial, commercial, and residential applications.

The 4420.064 can be used in a variety of electrical applications, including as a main breaker, dual circuit breakers, tie breakers, isolation breakers, and coordination breakers. The 4420.064 is designed to provide fast and efficient protection against overloads, short circuits, and ground faults. It can also be used in applications requiring high amperage ratings where other breakers are not suitable. The 4420.064 features a tripping mechanism that is designed to reset automatically after a trip, quickly reconnect the power source, and prevent permanent damage.

The working principle of the 4420.064 circuit breaker is based on the principle of using a high magnetic force to quickly de-energize an overcurrent and prevent it from damaging other components in the circuit. When an over current occurs, the 4420.064 circuit breaker trips, interrupting the flow of current through a specially designed trip unit. The trip unit senses the over current and sends a signal to the main contacts within the breaker, which immediately opens the contacts, thus shutting off the current quickly and safely. After the power source is disconnected, the breaker can be reset and the power restored.

The 4420.064 circuit breaker is designed for applications that require fast and reliable protection. It is also designed to meet the high standards of performance set by UL 1066. The 4420.064 is a robust and reliable solution for industrial, commercial, and residential applications. It has been tested to withstand up to 100 kA of interruption, making it suitable for applications requiring higher current ratings and superior protection.

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