3120-F321-P7T1-W12DY4-7A

Series:	3120-F
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Thermal
Moisture Sensitivity Level (MSL):	--
Current Rating:	7A
Voltage Rating - AC:	250V
Voltage Rating - DC:	50V
Number of Poles:	2
Actuator Type:	Rocker
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Introduction

Circuit breakers are made up of switches that are used to protect circuits and other electrical systems from damage due to excessive current. When too much current passes through a circuit, the breaker trips and thus interrupts the flow of power. This prevents the electric system from being overloaded or damaged. 3120-F321-P7T1-W12DY4-7A is an example of a circuit breaker that belongs to the variety of miniature circuit breakers.

Application field

3120-F321-P7T1-W12DY4-7A is used in the protection of electronic circuitry. Its small size makes it ideal for use in tight spaces, such as behind walls, in electrical boxes, and in cars. The circuit breaker can also be used in a variety of other applications, such as office spaces, data centers, industrial automation, and medical equipment.

Working Principle

The 3120-F321-P7T1-W12DY4-7A is a type of thermal-magnetic circuit breaker. This means that it is made up of both an electromagnetic and a thermal trip element. The electromagnetic element responds quickly to an overload current, while the thermal element responds more slowly to an overload current and cuts off the circuit when its temperature threshold is reached. The thermal element is designed to react to a sustained overload current and prevent damage to the circuit. Both the thermal and electromagnetic elements are connected to a trigger arm, which trips the breaker when either element is triggered. When a circuit is in use, the current flows through the circuit breaker and is monitored by the two elements. If the current is above the maximum safe load, the electromagnetic element will respond by tripping the breaker, thus cutting off the power to the circuit. If the current remains at a high level for too long, the thermal element will respond and trip the breaker to prevent circuit overload. Both the thermal and electromagnetic elements reset automatically when the circuit breaker is manually reset.

Conclusion

3120-F321-P7T1-W12DY4-7A is an example of a thermal-magnetic miniature circuit breaker. It is used in the protection of circuits and other electrical systems from damage due to excessive current. This breaker is designed with both an electromagnetic and a thermal trip element in order to provide quick and reliable protection from overloading. This circuit breaker can be used in a variety of applications, from cars to data centers.

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