3120-F311-P7T1-W19DG2-2A

Series:	3120-F
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Thermal
Moisture Sensitivity Level (MSL):	--
Current Rating:	2A
Voltage Rating - AC:	250V
Voltage Rating - DC:	50V
Number of Poles:	1
Actuator Type:	Rocker
Illumination:	Green
Illumination Voltage (Nominal):	20V
Mounting Type:	Panel Mount

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Introduction

A 3120-F311-P7T1-W19DG2-2A circuit breaker is a device used to protect electrical circuits from damage due to overload or short-circuiting. It interrupts an abnormally high current flow detected in a circuit by opening the circuit and preventing further arcing or power loss.

Application Field

Circuit breakers are used in a variety of applications, including industrial, commercial, residential, and automotive. They are commonly found in both indoor and outdoor applications including home service panel, fuse box, and retail outlets. Motor control centres, electrical power plants, and marine vessels are other examples of how circuit breakers are used in industrial applications. The most common use of a circuit breaker is in a home where they are used to protect circuits in a main service panel. These circuit breakers are required to interrupt the flow of current in an overloaded circuit and halt the electrical hazard. For example, if a circuit breaker breaker is activated because a circuit has drawn too much current, it will prevent further damage from occurring by breaking the circuit.

Working Principle

Circuit breakers use a bimetallic strip that bends in response to a rise in temperature. The strip expands when heated, causing it to deflect and trip a switch, which in turn opens the circuit. In most cases, when the current flow is interrupted, the arc caused by the switch is extinguished and the circuit is safe from further damage.Heavier-duty circuit breakers may use a magnetic force to open the circuit. A powerful magnetic force is created when a large current passes through the circuit. When this occurs, a metal plate exerts a force on a lever, which raises the metal plate and trips the switch, thus interrupting the circuit.When a circuit breaker is tripped, the circuit can be restored by simply resetting the circuit breaker. This can be done with either a switch or a reset button on the breaker panel.

Conclusion

The 3120-F311-P7T1-W19DG2-2A circuit breaker is a device used to protect electrical circuits from damage due to overload or short-circuiting and is commonly found in both residential and industrial applications. The circuit breaker works by interrupting the flow of current in an overloaded circuit, with either a bending bimetallic strip or a magnetic force that trips a switch and opens the circuit, interrupting the current and mitigating the potential for damage. Finally, the circuit can be easily restored by simply resetting the circuit breaker with either a switch or reset button.

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