3120-F31A-H7T1-W12LY3-2A

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:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Introduction

Circuit breaker is an important part of electrical engineering, and 3120-F31A-H7T1-W12LY3-2A is a kind of circuit breaker. It plays a role in controlling, protecting, and monitoring the electric current, so as to protect the safety of people and equipment. This article will explain the application field and working principle of 3120-F31A-H7T1-W12LY3-2A circuit breaker in detail.

Application Field

3120-F31A-H7T1-W12LY3-2A circuit breaker is a three-pole circuit breaker, which is mainly used in the electrical distribution network of the low voltage system, and can be used as the main switch or control switch to realize the breaking and closing of the circuit. Because of its high sensitivity and fast breaking speed, it can also be used in special occasions as a fuse element.

Working Principle

The action of the 3120-F31A-H7T1-W12LY3-2A circuit breaker is based on the electromagnetic principle. When the electric current passes through the circuit breaker, it produces an electromagnetic field which actuates a plunger. The plunger drives the contact to separate, so that the current is broken circuit, eliminating the possibility of electric shock accidents.The coil of the 3120-F31A-H7T1-W12LY3-2A circuit breaker is connected to the power supply, and its role is to provide movement for the contact to burst and close. When the current passes through the coil, the electromagnetic field generated by the coil will act on the movable contact of the circuit breaker, causing the contact to change its position under the action of the field, and the circuit breaker will open or close.In addition to the current, the 3120-F31A-H7T1-W12LY3-2A circuit breaker also has an overvoltage protection function, which is to detect whether the voltage of the power supply system exceeds the rated value. If it exceeds the rated value, the current generated by the overvoltage will make the coil generate a large electromagnetic field, which is greater than the electromagnetic field generated by the current. At this time, the circuit breaker will open the circuit automatically, so as to avoid the burnout of the electrical equipment due to overload and overvoltage.

Conclusion

The 3120-F31A-H7T1-W12LY3-2A circuit breaker is mainly used in the low voltage system of the electrical distribution network, and its main function is to protect the safety of personnel and equipment. Its action is based on the electromagnetic principle, and can detect whether the voltage of the power supply system is normal, and adjust the current accordingly to prevent burnout of electrical equipment caused by overload and overvoltage.

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