4420.0839

Series:	AS168XAC1
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Thermal Magnetic
Moisture Sensitivity Level (MSL):	--
Current Rating:	35A
Voltage Rating - AC:	277V
Voltage Rating - DC:	65V
Number of Poles:	1
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	DIN Rail

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The 4420.0839 circuit breaker is one of the most commonly used devices for protecting circuits from overloads and short circuits. It is used in various applications such as industrial, commercial and residential applications. This type of breaker is available in many different sizes and configurations, depending on the specific application.The circuit breaker consists of a current sensing device, an actuating mechanism and a switching element, all of which are housed in an enclosure. The sensing device is used to detect the level of current flowing in the circuits. When the sensed current exceeds a predetermined level, the actuating mechanism is triggered to open the circuit, thus making the circuit safe from overloads or short circuits.The actuating mechanism of the circuit breaker is composed of a spring, an armature and a contact arm. The spring is tensioned to a predetermined force and connected to the armature. When current flow in the circuit exceeds the predetermined threshold, the armature is engaged, opening the circuit. As current continues to flow, the tension in the spring increases and the armature is pulled back towards its original position. This closing action is automatic and occurs until the current level is reduced to a safe level. The contact arm is used to switch the circuit open or closed in response to the position of the armature.The switching element in the circuit breaker is typically an electromechanical relay, which is controlled by an external source. When activated, it opens or closes the circuit, depending on the status of the current.The 4420.0839 circuit breaker is used in a variety of applications. It is used to protect both commercial and industrial circuits from overloads or short circuits. It also helps protect circuits from surge voltages that may be generated in related circuits. The breaker is also used in low power and low voltage applications, such as those found in residential and office circuits.The principle of operation of the 4420.0839 circuit breaker is relatively simple. The current-sensing component senses the current flow in the circuit and triggers the actuating mechanism which opens or closes the circuit. The switch then opens or closes the circuit to prevent damage from either overloads or short circuits. The breaker also has an alarm mechanism that alerts the user to the presence of dangerous levels of current in the circuit.In conclusion, the 4420.0839 circuit breaker is an extremely versatile device that is used in a variety of applications. Its main function is to protect circuits from overloads or short circuits, but it can also be used for low voltage and low power applications. Its design is relatively simple, and its working principle can easily be understood.

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