UPG11-35203-1

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Part Status:	Obsolete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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Circuit Breakers: UPG11-35203-1 Application Field and Working Principle

Circuit Breakers are devices used for interrupting an electrical circuit to protect equipment or to open and close the circuit in a normal operation mode. They are typically used to protect electrical systems from overloading, short circuiting, and other hazardous conditions. The UPG11-35203-1 is an 11kV circuit breaker which is designed for applications in overhead lines, medium voltage power grids, and industrial installations. This particular device is a three-pole breaker with an operating voltage of 11kV.

Application Field

The circuit breaker UPG11-35203-1 is mainly used in electricity distribution networks, providing medium and high voltage switching capabilities for the power grid. Its main application is overhead lines but also it is suitable for medium voltage power grids and industrial installations. This product is not suitable for use in direct current circuits or applications with very high frequency.

Working Principle

The main function of a circuit breaker is to protect electrical systems by interrupting the flow of electricity in the event of an overload or short circuit. This type of circuit breaker uses multiple components to carry out this task. One of the most important components is the Arc Suppressor (or Arc Interrupter). This component works by releasing a gas or liquid into the atmosphere in order to extinguish the arc (electricity flow) between the contacts of the circuit breaker.The mechanism of the UPG11-35203-1 is based on the principles of a thermal-magnetic circuit breaker. This type of circuit breaker contains both a thermal element and a magnetic element. The thermal element is used to detect overloads by detecting the increase in temperature of the contacts caused by the current flowing through them. The magnetic element is used to detect short circuits by detecting the increase in current caused by the fault.When normal conditions are detected, the circuit breaker is "on" and the flow of current is allowed. If, however, the thermal or magnetic element detects an abnormal situation, the breaker trips, breaking the circuit and thus protecting the electrical system. After the fault is cleared, the breaker can be reset and the system allowed to resume its normal operations.In summary, the UPG11-35203-1 is a three pole 11kV circuit breaker which is mainly used in electricity distribution networks, providing medium and high voltage switching capabilities for the power grid. Its main application is overhead lines but also it is suitable for medium voltage power grids and industrial installations. The working principle is based on a thermal-magnetic system that detects overloads and short circuits and then interrupts the flow of current in order to protect the electrical system.

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