UPL1-1-72-302

Series:	UPL
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	--
Voltage Rating - AC:	250V
Voltage Rating - DC:	65V
Number of Poles:	1
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Circuit Breakers: UPL1-1-72-302 Application Field and Working Principle

Circuit breakers can be found and used in almost any electrical circuit. They are designed to provide a protective device that monitors and responds to situations where excessive current flows within the circuit. In particular, the UPL1-1-72-302 circuit breaker is one such example of this technology. This article will discuss its specific application field and its working principle.

Application Field

The UPL1-1-72-302 circuit breaker is specifically designed for residential and industrial applications. It is rated up to 63 A and has current ratings of 30 A, 40 A, 50 A, or 63 A. It also provides short-circuit protection for circuit lines with a current rating of up to 10kA. It is manufactured with an enclosure of thermoplastic material and, being a single-phase breaker, is suitable for use with single and three-phase AC systems.

Working Principle

The working principle of the UPL1-1-72-302 circuit breaker is based on the basic idea that no single device is capable of providing full protection for every situation. Therefore, it uses a combination of technologies to offer the utmost protection.At its core, the UPL1-1-72-302 circuit breaker is designed to cut off power in a circuit when an overload or short-circuit occurs. This is done by a thermal trip mechanism. When the current in the circuit exceeds a certain level, the bimetallic strip, heats up, causing it to bend and switch off the circuit. During an overload condition, the circuit breaker also cuts the power off by using an electromagnetic trip mechanism. This feature turns off the flow of current when the magnitude of the current exceed the pre-set limit.In addition to thermal and electromagnetic trip mechanisms, the circuit breaker is also designed to protect against back-feeding. This is done by using a mechanical mechanism that prevents the flow of current in the opposite direction when a fault occurs. Furthermore, the circuit breaker is capable of automatic re-closing, allowing it to restore power and resume normal operation after the fault has been cleared. Ultimately, the UPL1-1-72-302 circuit breaker provides superior reliability and safety when operating in both residential and industrial environments. It has a wide range of current ratings, making it suitable for a wide range of applications. Finally, it is ideal for both single and three-phase AC systems.

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