UPG1-34843-4 Circuit Protection

Series:	UPG
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	--
Number of Poles:	1
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Circuit Breakers are electrical protection devices that are used to protect electrical components and circuits from damage due to overloads, short circuits, and other potentially hazardous situations. The UPG1-34843-4 is one of many different types of circuit breakers, and it has its own unique application field and working principle.The application field for the UPG1-34843-4 is generally restricted to AC circuits with currents ranging from 16A to 125A. The design of this circuit breaker makes it particularly suitable for the protection of terminal devices and low-power consumer circuits such as lighting circuits, home appliances, and other AC circuits. Additionally, the UPG1-34843-4 is specifically designed for single-phase two-wire or three-wire installations.The working principle of the UPG1-34843-4 is relatively simple and consists of two main parts. First, the circuit breaker contains a bimetallic strip which is sealed inside the circuit breaker housing. This bimetallic strip is composed of two different metals which have different rates of thermal expansion. When the current flowing through the circuit breaker exceeds the pre-determined threshold limit, the bimetallic strip bends due to the heat generated by the current and then triggers the circuit breaker’s internal mechanism that causes it to open.Second, the circuit breaker may also contain an auxiliary trip component which is activated after the bimetallic strip is triggered. The auxiliary trip component may be a magnet, a coil, or a spring. This component helps to automatically reset the circuit breaker once the current flows back within the pre-determined limit.In conclusion, the UPG1-34843-4 Circuit Breaker is designed for AC circuits with currents ranging from 16A to 125A and is particularly suitable for the protection of terminal devices and low-power consumer circuits. The operation of the circuit breaker relies on the bimetallic strip to trigger the circuit breaker’s internal mechanism and an auxiliary trip component to help reset the breaker once the current flows back within the pre-determined limit.

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Part Number	Manufacturer	Price	Quantity	Description