8340-T120-K1M1-ALH0-30A

Series:	8340-T
Part Status:	Active
Breaker Type:	Magnetic (Hydraulic Delay)
Current Rating:	30A
Voltage Rating - AC:	240V
Voltage Rating - DC:	80V
Number of Poles:	2
Actuator Type:	Lever
Illumination:	None
Illumination Voltage (Nominal):	--
Mounting Type:	DIN Rail

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Overview

Circuit breakers are a critical component in electrical systems, providing additional safety and separation of power sources. In particular, the 8340-T120-K1M1-ALH0-30A is a type of circuit breaker that is used in a variety of applications, ranging from residential homes to commercial facilities. This article will explain the application fields and working principle of the 8340-T120-K1M1-ALH0-30A circuit breaker.

Applications

The 8340-T120-K1M1-ALH0-30A is a T-frame circuit breaker used to provide additional safety, overload protection, and separation of power sources. This type of breaker is commonly used in residential, commercial, and industrial applications. Residential applications include single-phase lighting and other standard loads. Commercial and industrial applications include single-phase and three-phase motors, power supply circuits, air conditioning, and setting up a mechanical panel. The 8340-T120-K1M1-ALH0-30A is also commonly used in large buildings and facilities that require more than the typical residential load. This type of breaker is also used to protect against shorts, reduce high-amperage overloads, and help protect against surges.

Working Principle

The 8340-T120-K1M1-ALH0-30A is a thermal-magnetic circuit breaker, which means it employs both a thermal element and a magnetic element. The thermal element is programmed to trip at a certain temperature, while the magnetic element is programmed to trip at a certain current. When the preset current or temperature threshold is reached, the breaker trips, interrupting the power supply. The thermal element can trip due to an overloaded circuit, while the magnetic element can trip due to a short circuit. After the breaker has tripped, the power to the circuit is interrupted and a visual or audible indicator is triggered.

Features

The 8340-T120-K1M1-ALH0-30A breaker includes several features that make it an effective safety tool. These features include adjustable tripping points, adjustable “pick-up” current, adjustable “let-go” current, integrated protection against arc faults, and trip-free operation.The adjustable tripping points allow the user to adjust the current setting on the breaker, so that it can trips and protect the circuit at a desired current. The adjustable “pick-up” current and “let-go” current allow the user to adjust the current threshold when the breaker trips. The integrated arc-fault protection safety feature helps protect the circuit and personnel from unexpected electric arcs. The trip-free operation ensures that the breaker will not reset itself after tripping.

Conclusion

The 8340-T120-K1M1-ALH0-30A is a thermal-magnetic circuit breaker that is commonly used in residential, commercial, and industrial applications. Its features include adjustable tripping points, adjustable “pick-up” current, adjustable “let-go” current, integrated arc-fault protection, and trip-free operation. By using these features, the breaker can provide additional safety and protection of power sources.

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Part Number	Manufacturer	Price	Quantity	Description