UPGF66-27823-8 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Part Status:	Obsolete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:	2
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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UPGF66-27823-8: Circuit Breaker Applications and Working Principles

Introduction

Circuit breakers are used to protect circuits from overvoltage, overheating and other risks due to faults. The UPGF66-27823-8 is a type of circuit breaker specifically designed for high-voltage electrical systems. It’s a double-pole circuit breaker with two top-mounted inserters. In this article we’ll examine the application field and working principle of the UPGF66-27823-8.

Application Field

The UPGF66-27823-8 is designed for use in high-voltage (HV) electrical networks. Specifically, it can be used in power plants, substations, and other industrial applications that require the protection of high-voltage circuits. The maximum switching voltage of the breaker is up to 10,000 volts, and its continuous current rating can be adjustable from 6 to 30 amperes.

Working Principle

The UPGF66-27823-8 circuit breaker is designed to operate in three different states: on, off, and fault. When in the on state, the circuit breaker is closed and current can flow through it. When in the off state, the circuit breaker is open, preventing current from flowing through the circuit. After an interruption or fault is detected, the circuit breaker will enter the fault state, which is a half-open state in which it can detect the voltage and current of the faulted circuit and react accordingly.The UPGF66-27823-8 circuit breaker uses a metal oxide varistor (MOV) to detect the voltage of the circuit. The MOV senses the voltage of the circuit and compares it to a pre-set value. If the voltage exceeds the pre-set value, the MOV will quickly switch to an open state and the breaker will enter the fault state, disconnecting the circuit from the mains.The breaker also uses a thermal switch to detect when the current in the circuit exceeds its rated capacity. The thermal switch is connected in series with the motor of the breaker and when the current in the circuit becomes too high, the thermal switch will open, which causes the motor to switch to the fault state and the circuit is disconnected from the mains.In addition, the UPGF66-27823-8 circuit breaker is also equipped with a trip-free release mechanism. This mechanism prevents the breaker from being turned on again until the fault has been cleared.

Conclusion

The UPGF66-27823-8 is a type of double-pole circuit breaker designed for high-voltage electrical systems. It’s designed for use in power plants, substations, and other industrial applications that require the protection of high-voltage circuits. Its maximum switching voltage is up to 10,000 volts, and its continuous current rating can be adjustable from 6 to 30 amperes. The breaker utilizes a metal oxide varistor (MOV) to detect the voltage of the circuit, and a thermal switch to detect when the current in the circuit exceeds its rated capacity. Finally, it is also equipped with a trip-free release mechanism that prevents the breaker from being turned on again until the fault has been cleared.

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