The difference between circuit breakers
Date:2023-09-27 Click:355
Circuit breakers are electrical protection devices used to protect circuits and electrical equipment from damage by overloads, short circuits and ground faults. According to their different working principles and application scenarios, circuit breakers can be divided into the following types:
1. Fuse: A fuse is a protective device based on a molten metal conductor. When an overcurrent occurs in the circuit, the fuse in the fuse will blow, cutting off the circuit. Fuses are suitable for low current situations, but the fuse needs to be replaced before they can be reused.
2. Air circuit breaker: Air circuit breaker uses high-pressure air or gas as a medium to form an arc in the circuit and cut it off. It can adjust the breaking capacity of the circuit breaker as needed and is suitable for applications with various voltage and current levels.
3. Magnetic trip circuit breaker: This type of circuit breaker is mainly used for overload protection. It detects overload current in the circuit through an internal magnetic trigger and cuts off the circuit to protect the equipment. Magnetic trip circuit breakers are commonly used in low current applications such as homes and offices.
4. Leakage circuit breaker: Leakage circuit breaker is mainly used to detect and cut off leakage current in the circuit to protect personal safety. When leakage current occurs, the leakage circuit breaker will trip quickly, cutting off the circuit and preventing the leakage current from passing through the human body and causing electric shock.
5. Magnetic circuit breaker: The magnetic levitation circuit breaker uses magnetic levitation technology to isolate the contacts from the arc through magnetic force to extinguish the arc and cut off the circuit. Magnetic circuit breakers have the advantages of fast arc cutting and high breaking capacity, and are suitable for high voltage and high current applications.
1. Fuse: A fuse is a protective device based on a molten metal conductor. When an overcurrent occurs in the circuit, the fuse in the fuse will blow, cutting off the circuit. Fuses are suitable for low current situations, but the fuse needs to be replaced before they can be reused.
2. Air circuit breaker: Air circuit breaker uses high-pressure air or gas as a medium to form an arc in the circuit and cut it off. It can adjust the breaking capacity of the circuit breaker as needed and is suitable for applications with various voltage and current levels.
3. Magnetic trip circuit breaker: This type of circuit breaker is mainly used for overload protection. It detects overload current in the circuit through an internal magnetic trigger and cuts off the circuit to protect the equipment. Magnetic trip circuit breakers are commonly used in low current applications such as homes and offices.
4. Leakage circuit breaker: Leakage circuit breaker is mainly used to detect and cut off leakage current in the circuit to protect personal safety. When leakage current occurs, the leakage circuit breaker will trip quickly, cutting off the circuit and preventing the leakage current from passing through the human body and causing electric shock.
5. Magnetic circuit breaker: The magnetic levitation circuit breaker uses magnetic levitation technology to isolate the contacts from the arc through magnetic force to extinguish the arc and cut off the circuit. Magnetic circuit breakers have the advantages of fast arc cutting and high breaking capacity, and are suitable for high voltage and high current applications.
Depending on the specific application needs and electrical system requirements, it is critical to select the appropriate circuit breaker type to ensure safe operation of circuits and equipment.
