UPG666-1477-3 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Part Status:	Obsolete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:	3
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Introduction

Circuit breakers are devices designed to interrupt the flow of electric current in the event of an overload or short circuit. They are among the most basic and important components of any electrical system, and they play a key role in ensuring the safe operation of equipment, circuits, and systems. The UPG666-1477-3 circuit breaker is one such device used in many applications and is widely recognized for its reliable safety features and performance.

Description of the UPG666-1477-3 Circuit Breaker

The UPG666-1477-3 is a three-pole, thermally-magnetic circuit breaker. This type of circuit breaker has a built-in trip unit, which is designed to detect and interrupt the flow of current when an overload or short circuit is detected. This device is typically used in low-voltage applications due to its reduced size and weight. The UPG666-1477-3 has an adjustable trip setting, adjustable differential current settings, adjustable current settings, and requirements of UL 1077 supplementary protection.

UPG666-1477-3 Application Field and Working Principle

The UPG666-1477-3 circuit breaker is most commonly used as a thermal-magnetic switch for low-voltage, overload protection. It is typically installed in residential and commercial distributed electrical systems, used to detect and interrupt the flow of current in the event of a fault. The UPG666-1477-3 is also widely used in industrial applications as a safety device in the event of a power surge or electrical overload.The working principle of the UPG666-1477-3 circuit breaker is based on the action of a built-in thermal-magnetic trip unit. The trip unit is designed to detect an overload or short circuit, which is indicated by a rise in temperature as a result of current flowing through the device. When the trip unit detects an overload or short circuit, it interrupts the flow of current through the device, breaking the circuit and preventing any further damage to the electrical system.The UPG666-1477-3 circuit breaker has adjustable settings for current, trip, and differential current, allowing it to be tailored to the specific requirements of the application. The adjustable settings allow this device to be calibrated to provide the most effective overload protection without compromising the performance of the system.

Conclusion

The UPG666-1477-3 circuit breaker is a reliable safety solution for low-voltage applications. Its thermally-magnetic trip unit quickly detects and interrupts the flow of current in the event of an overload or short circuit, preventing any further damage to the electrical system. The adjustable settings allow the device to be tailored to the specific application, ensuring it provides the most effective protection while maintaining performance.

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