4430.242

Series:	TA45
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Thermal
Current Rating:	12A
Voltage Rating - AC:	240V
Voltage Rating - DC:	60V
Number of Poles:	2
Actuator Type:	Rocker
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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4430.242 Circuit Breakers: Application Field and Working Principle

Circuit breakers are mechanisms used to open or close electrical circuits either manually or automatically. They are necessary for protecting electrical circuits from overvoltage, short circuiting and power overload. Circuit breakers are generally referred to as domestic, commercial and industrial. The 4430.242 model is a relatively small domestic/commercial circuit breaker type and it offers protection against power overload and short circuiting.

Application Field

The 4430.242 model is most commonly used in domestic and commercial buildings for extra protection against fire due to short circuiting and power overload. It is suitable for any low-voltage system, usually in 240V circuits and is often used in homes, offices and public buildings. It is not designed for use in industrial settings or for handling high power levels.

Working Principle

The 4430.242 circuit breaker works by cutting off the electric current in case of an overvoltage, short circuiting or power overload. It accomplishes this by using a thermal component that reacts to changes in temperature caused by the current passing through the circuit. The thermal component is connected to a bimetallic strip and a trip lever. When the temperature rises, the bimetallic strip expands, causing the trip lever to open the circuit breaker and break the electric flow. Once the circuit breaker has activated, it must be manually reset before it can be used again. To reset the circuit breaker, the user must turn the switch on the front to the “off” position, then back to the “on” position. This will close the circuit breaker and allow electric flow to resume.

Safety Features

Circuit breakers are designed with safety features to further protect the user. The 4430.242 model, for instance, has a shut-down threshold that allows the switch to cut electric flow before the circuit breaker is even activated. The circuit breaker also has an indicator light that will illuminate when the circuit breaker has been triggered, allowing the user to quickly identify the issue and reset the switch as necessary.

Conclusion

The 4430.242 model is a type of circuit breaker specifically designed for domestic and commercial use. It’s small size and safety features make it an ideal choice for households and small businesses. It is designed to cut off the electric current in case of an overvoltage, short circuiting or power overload and must be manually reset once the issue has been rectified.

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