UPL1110-20458-1 Circuit Protection

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Part Status:	Obsolete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

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Introduction

Circuit breakers, also known as over-current protection devices, are used to protect electrical circuits and equipment from the damaging effects of a short circuit or overload. UPL1110-20458-1 is a type of circuit breaker specifically designed for residential use. It provides protection against both overvoltage and undervoltage conditions. This article will discuss the application field and working principle of UPL1110-20458-1.

Application Field and Working Principle

UPL1110-20458-1 is intended for residential applications, primarily in protection of outlet circuits such as kitchen and other general-lighting circuits, household appliance circuits, and air conditioning circuits. It combines overvoltage and undervoltage protection in one device, utilizing both thermal and electromagnetic sensing elements to detect an overload or a sustained fault. UPL1110-20458-1 is designed to provide protection from a sustained overcurrent. The overcurrent sensing element of the device utilizes a bimetal element to detect sustained overcurrent in the circuit. When an overload occurs, the bimetal element will heat up and eventually reach its melting temperature, at which point it will deform and trip the circuit breaker.The undervoltage sensing element of the device utilizes an electromagnetic pickup to detect an undervoltage condition. When the voltage drops below the predetermined level, the electromagnetic pickup is energized, tripping the circuit breaker and terminating the flow of electric current to the circuit.UPL1110-20458-1 also incorporates a thermal sensing element to prevent the bimetal element from heating up too rapidly due to short-circuits or high inrush currents. When the thermal sensing element detects a rise in temperature, it trips the circuit breaker, thereby protecting the circuit from damage caused by a short circuit.

Conclusion

UPL1110-20458-1 is a circuit breaker specifically designed for residential use. It utilizes both thermal and electromagnetic sensing elements to protect electrical circuits and equipment from the damaging effects of a short circuit or overload. The device is intended for protection of outlet circuits such as kitchen and other general-lighting circuits, household appliance circuits, and air conditioning circuits. It combines overvoltage and undervoltage protection in one device, providing effective and reliable circuit protection.

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