4404.0097

Series:	T9-818
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Thermal
Moisture Sensitivity Level (MSL):	--
Current Rating:	4A
Voltage Rating - AC:	240V
Voltage Rating - DC:	48V
Number of Poles:	1
Actuator Type:	Push to Reset
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	PCB

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Circuit Breakers - 4404.0097 Application Field and Working PrincipleCircuit breakers are electrical switching devices designed to protect circuits from overloads and short circuits. Their primary purpose is to detect faults and then interrupt the circuit, thereby limiting the damage to the electrical equipment connected to it. The 4404.0097 circuit breaker is a type of miniature circuit breaker manufactured by Siemens, and it is designed for use in industrial, commercial and residential applications.The 4404.0097 circuit breaker has a number of features that make it suitable for various applications across different industries. This type of breaker has a compact size, which makes it an ideal choice for applications where space is limited. It also has a wide range of current ratings, ranging from 1A to 50A, allowing it to be used to protect a wide variety of electrical equipment and circuits. Aside from its compact size and wide current ratings, the 4404.0097 circuit breaker also has the ability to operate at higher temperatures and is resistant to aging, corrosion and vibration. This makes it suitable for use in challenging environments such as outdoors or in contaminated industrial sites. Additionally, this type of breaker is UL 489-listed and meets the requirements of UL 1077 supplemental protection. In terms of working principle, the 4404.0097 circuit breaker uses a thermal-magnetic trip mechanism to detect faults and interrupt the current. This trip mechanism is composed of two components: a thermal element and a magnetic element. The thermal element acts as a timer and is designed to detect an overload or short circuit and trip the circuit breaker after a set time. The magnetic element, on the other hand, quickly trips the circuit breaker in the event of a short circuit. The thermal element consists of a bi-metallic strip, which is constructed of two metal strips with different thermal expansion coefficients. When the current exceeds the rated breaking capacity of the circuit breaker, this strip is heated and bends inwards, causing the contacts to separate and trip the circuit. The magnetic element, meanwhile, operates on the principle of electromagnetic induction. When fault current reaches a certain level, it induces a magnetic field inside the element, which causes it to close, thus rapidly tripping the circuit. The 4404.0097 circuit breaker is suitable for use in a wide range of applications, due to its compact size, wide current ratings and robust construction. Combined with its UL 489-listing and UL 1077 compliance, it is an ideal choice for use in both industrial and residential contexts. In terms of working principle, the breaker relies on a thermal-magnetic trip mechanism to detect faults and quickly interrupt the current, preventing damage to the connected circuits and equipment.

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