3120-F523-P7T1-W01K-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 to Circuit Breakers

Circuit breakers are a type of device used to protect and control electrical circuits. They are commonly used in residential, commercial, and industrial applications. They are designed to open and close the circuit under certain conditions to prevent damage to the circuit components and to provide safety for personnel and equipment.

3120-F523-P7T1-W01K-7A Circuit Breaker Application and Working Principle

The 3120-F523-P7T1-W01K-7A circuit breaker is a thermal-magnetic circuit breaker designed to open and close the circuit under certain conditions. It is designed for use in areas with high levels of noise and vibration that can interfere with the normal operation of other circuit breakers. The 3120-F523-P7T1-W01K-7A has two sets of contacts, a trip contact and a main contact.The working principle of the breaker can be explained by looking at how the internal components work. Inside the breaker, two sets of contacts are connected to a thermal-magnetic element. The thermal-magnetic element contains a magnetic strip and a bimetallic strip. The bimetallic strip consists of two different metals that expand at different temperatures. When the current passes through the bimetallic strip, the strip will expand and compress the magnetic strip which, in turn, will hang the trip over the main contact resulting in an open circuit.When the current exceeds a certain level, the breaker will trip and the main contact will close, effectively interrupting the circuit. This protects the component from overloading and provides personnel and equipment safety. In addition, when the current returns to normal, the thermal-magnetic element will cool down and reset allowing the circuit to be reset.

Conclusion

The 3120-F523-P7T1-W01K-7A circuit breaker is a thermal-magnetic circuit breaker designed to open and close the circuit under certain conditions. It is designed for use in areas with high levels of noise and vibration that can interfere with the normal operation of other circuit breakers. The working principle involves the use of a thermal-magnetic element that detects and interrupts the current if it exceeds a certain level. This ensures personnel and equipment safety while providing reliable circuit protection against overloads.

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