205-1111-25842-1 Circuit Protection

Series:	205
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	--
Number of Poles:	4
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Circuit Breakers

205-1111-25842-1 Application Field and Working Principle

A circuit breaker, also called a miniature circuit breaker (MCB), is a switching device designed to open and close an electrical circuit. When an electrical current overloads the circuit, the MCB trips and disconnects the circuit, preventing damage and ensuring people\'s safety. The 205-1111-25842-1 circuit breaker is a three phase differential circuit breaker, commonly used in substations, industrial power grids and other high voltage electrical power systems. It is designed to protect personnel and equipment from faults caused by electric currents.When an electrical fault current flowing through a circuit reaches the rated current of the circuit breaker, the current imbalance alarm of the breaker will be triggered. By using a differential principle which senses differential current in the secondary circuit, the fault current is detected and isolated. The fault current is then disconnected.The difference between the differential current and residual current is measured by the differential current tranducer, which amplifies the difference several hundred times and sends it to the solenoid for controlled operation. When the residual current reaches 3 to 5 times the rated value, the first contact of the relay moves in and the second one moves out of the circuit, thereby breaking the circuit and isolating the fault current.The 205-1111-25842-1 circuit breaker also has overload protection, which trips the breaker automatically when the current in the circuit rises above the rated current for a specified period of time. This prevents damage to the system and potential hazards to personnel.The 205-1111-25842-1 circuit breaker is also equipped with a low voltage protection system. When the system voltage is below the rated voltage of the circuit, the protective unit in the breaker will automatically trip the breaker, thus preventing excessive current from passing through the circuit. In addition, the 205-1111-25842-1 circuit breakers also feature a time delay setting, which prevents the breakers from operating accidentally under normal operating conditions. This helps to ensure that it operates correctly even in extreme conditions.Overall, the 205-1111-25842-1 circuit breaker is a reliable and efficient electrical switching device used for protection in high voltage power systems. It ensures the safe operation of the system and the safety of personnel and equipment. It is a must-have for all kinds of electrical installations, including substations, industrial power grids and other high voltage power systems.

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