219-3-2988-966

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Circuit Breakers

Circuit breakers are a type of electrical safety equipment that automatically interrupts electric current when an abnormality is detected. The 219-3-2988-966 circuit breaker is designed for high voltage electric power systems, usually for applications such as transmission lines, substations, and industrial and large-commercial facilities.

Application Field and Working Principle

The 219-3-2988-966 circuit breakers are designed for three-phase applications in which an integral current transformer (ICT) can be used for both current sensing and overcurrent protection. The current transformer typically has three output taps, one each for the normal, overcurrent, and undercurrent ranges. Additionally, the 219-3-2988-966 circuit breaker has two separate control units located inside the unit: the control unit for switching between the normal, undercurrent, and overcurrent ranges, and the control unit for sensing current and voltage abnormalities.

The normal range of the 219-3-2988-966 circuit breaker is used for normal operation of the system. In this range, the current transformer will provide a signal to the control Unit to trip the circuit breaker if an abnormality in the current or voltage is detected. The undercurrent range of the 219-3-2988-966 circuit breaker is used to provide a specific level of low-limit protection. In this range, the current transformer will provide a signal to the control unit to trip the circuit breaker if the detected current is below the specified threshold value.

The overcurrent range of the 219-3-2988-966 circuit breaker is used for fault protection. In this range, the current transformer will provide a signal to the control unit to trip the circuit breaker if the detected current increases above the specified threshold value. The overcurrent range is typically used to protect the system from overloads, short circuits, or other possible faults.

The 219-3-2988-966 circuit breaker is designed for wide application in power systems, offering the highest level of protection for both personnel and equipment. It is ideal for applications where it is necessary to provide reliable, high-current switching and protection capabilities under the most challenging conditions. The circuit breaker is designed for operation in both indoor and outdoor environments and can be adapted to the requirements of a wide variety of installations. In addition, the 219-3-2988-966 circuit breaker is designed for use in extreme temperatures and weather conditions, making it an ideal choice for areas such as oil rigs, mining areas, or other hazardous locations where reliable protection is a must.

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