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Circuit breaker classification

time2011/11/10

  Circuit breaker into its use of high voltage circuit breakers and low voltage circuit breakers, high voltage lines into more obscure, more generally known as high-voltage electrical appliances 3kV. Low-voltage circuit breakers, also known as automatic switches, commonly known as "air switch" also refers to low-voltage circuit breakers, it is both a manual switch roles, but also automatic loss of pressure, voltage, overload and short circuit protection of electrical appliances. It can be used to distribute electrical energy, does not frequently start asynchronous motors, power lines and motors for the implementation of protection, as they serious overload or short circuit and undervoltage fault can automatically cut off the circuit, its function is equivalent to fuse switch and been due to a combination of thermal relay. And after the breaking fault current components generally do not need to change, has been widely used circuit breakers into their use of high voltage circuit breakers and low voltage circuit breakers, high voltage lines into more obscure, more generally known as high-voltage 3kV electrical appliances. Low-voltage circuit breakers, also known as automatic switches, commonly known as "air switch" also refers to low-voltage circuit breaker, it is both a manual switch roles, but also automatic loss of pressure, voltage, overload and short circuit protection of electrical appliances. It can be used to distribute electrical energy, does not frequently start asynchronous motors, power lines and motors for the implementation of protection, as they serious overload or short circuit and undervoltage fault can automatically cut off the circuit, its function is equivalent to fuse switch and been due to a combination of thermal relay. And after the breaking fault current components generally do not need to change, has been widely used.