3120-F511-P7T1-W14FR1-2A

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Circuit breakers are important components of the power network. They are designed to protect electrical circuits from overload by interrupting the flow of current when an excess of current passes through the system. The 3120-F511-P7T1-W14FR1-2A is one of the most popular circuit breakers available on the market. In this article, we will discuss the application field and working principle of this specific type of circuit breaker.

Application Field

The 3120-F511-P7T1-W14FR1-2A circuit breaker is designed for use in a wide range of applications, from residential and commercial settings to industrial and heavy duty applications. It is suitable for the protection of electrical circuits with ratings up to 400-amp (AC and DC) and application voltages of up to 600 volts.

This circuit breaker is suitable for both indoor and outdoor installation, and can be used in low voltage and normal voltage systems, as well as motor operated equipment. It is designed to offer reliable protection against overloads and short circuits, and can also be used to protect against ground faults.

Working Principle

The 3120-F511-P7T1-W14FR1-2A circuit breaker is equipped with an adjustable trip unit, which can be programmed for normal or high overcurrent roles. It also features an adjustable thermal trip, which can be set to match the current requirements of the circuit. The circuit breaker is designed with a built-in closed loop thermal trip, which is triggered by an excess of current passing through the system. When the circuit breaker senses the overload, it disconnects the power supply by opening the circuit breaker’s contacts.

The 3120-F511-P7T1-W14FR1-2A is also equipped with an arc fault protection feature, which provides additional protection against fire hazards. This feature detects and interrupts current arcs, which may occur when there is a buildup of electricity between two contacts. When the arc is detected, the circuit breaker interrupts the flow of current and prevents a fire from developing.

In addition to its adjustable trip unit and arc fault protection feature, the 3120-F511-P7T1-W14FR1-2A circuit breaker also features a manual reset capability, allowing the breaker to be manually reset after a fault condition has been corrected. This manual reset feature prevents accidental resetting of the breaker, while still allowing manual resetting when necessary.

The 3120-F511-P7T1-W14FR1-2A circuit breaker is an excellent choice for a wide range of applications, offering reliable protection against overloads and short circuits. It is also equipped with features such as an adjustable trip unit, adjustable thermal trip, arc fault protection and manual reset capability, making it a versatile and reliable choice for power systems.

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